HP Presario V4000 HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not
HP Presario V4000 - Notebook PC Manual
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- HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 1
Maintenance and Service Guide HP Pavilion dv4000 Notebook PC Compaq Presario V4000 Notebook PC Document Part Number: 377367-003 October 2005 This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides comprehensive information on identifying computer - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 2
herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. Maintenance and Service Guide HP Pavilion dv4000 Notebook PC Compaq Presario V4000 Notebook PC Third Edition October 2005 First Edition March - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 3
Management 1-5 1.4 External Components 1-6 1.5 Design Overview 1-26 2 Troubleshooting 2.1 Computer Setup 2-1 Accessing Computer Setup 2-2 Computer Setup Defaults from the Tools Menu 2-5 Selecting from the Advanced Menu 2-6 2.2 Troubleshooting Flowcharts 2-7 Maintenance and Service Guide iii - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 4
Display Assembly Subcomponents 3-14 HP Pavilion dv4000 Models 3-14 3.4 Display Assembly Subcomponents 3-16 Compaq Presario V4000 Models 3-16 3.5 Miscellaneous Transporting Precautions 4-5 4.6 Workstation Precautions 4-6 4.7 Grounding Equipment and Methods 4-7 iv Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 5
5-11 5.6 Optical Drive 5-13 5.7 Memory Module 5-15 5.8 Mini PCI Communications Module 5-18 5.9 RTC Battery 5-20 5.10 Heat Sink 5-21 5.11 Processor 5-24 5.12 Switch Cover 5-26 5.13 Keyboard 5-29 Speakers 5-76 5.21 USB Board 5-78 5.22 Bluetooth Module 5-81 Maintenance and Service Guide v - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 6
Contents 6 Specifications A Connector Pin Assignments B Power Cord Set Requirements C Screw Listing D Display Component Recycling Index vi Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 7
Description The HP Pavilion dv4000 Notebook PC 1 and Compaq Presario V4000 Notebook PC 2 offer advanced modularity, Intel® Pentium® M and Celeron® M processors, and extensive multimedia support. HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Notebook PC Maintenance and Service Guide 1-1 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 8
including dedicated horizontal (Compaq Presario V4000 models) and vertical scroll regions ■ Integrated 10Base-T/100Base-TX Ethernet local area network (LAN) network interface card (NIC) with RJ-45 jack ■ Integrated high-speed 56K modem with RJ-11 jack ■ Integrated wireless support for Mini PCI IEEE - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 9
✎ Numerous references are made throughout this Maintenance and Service Guide to "full-featured" and "defeatured" models. full-featured models only) ❏ Infrared (full-featured models only) ❏ PC Card ❏ Power ❏ Primary battery ❏ RJ-11 (modem) ❏ RJ-45 (network) ❏ S-Video-out ❏ Serial port (full- - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 10
another computer running Windows XP, download the unlock6.exe utility from the HP Channel Services Network (CSN) Web site at http://www.hp.com/partners/csn. Copy the unlock6.exe utility into the root directory has been reset and all CMOS settings have been cleared. 1-4 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 11
power management features that extend battery operating time and conserve power. The computer supports the following power management features Battery calibration ■ Lid switch standby/resume ■ Power button ■ Advanced Configuration and Power Management (ACPM) compliance Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 12
Product Description 1.4 External Components The external components on the front of the computer are shown below and described in Table 1-1. Depending on your computer model, component locations may vary. Front Components 1-6 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 13
Computer is off or in hibernation. ■ On: The battery pack is charging. ■ Blinking: The battery pack has reached a low-battery condition. ■ Off: The battery pack is fully charged or not inserted. Integrated Drive sound. Display release button Opens the computer. Maintenance and Service Guide 1-7 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 14
Product Description The external components on the right side of the HP Pavilion dv4000 are shown below and described in Table 1-2. Depending on your computer model, component locations may vary. Right-Side Components, HP Pavilion dv4000 1-8 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 15
Description Item 1 2 3 4 5 6 7 Table 1-2 Right-Side Components, HP Pavilion dv4000 Component Function Optical drive Supports an optical disc, such as a CD or DVD. Audio-out (headphone) jack do not prevent the product from being mishandled or stolen. Maintenance and Service Guide 1-9 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 16
Product Description The external components on the right side of the Compaq Presario V4000 are shown below and described in Table 1-3. Depending on your computer model, component locations may vary. Right-Side Components, Compaq Presario V4000 1-10 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 17
Product Description Table 1-3 Right-Side Components, Compaq Presario V4000 Item Component Function 1 Optical drive Supports an optical disc, such as a CD or DVD. 2 Audio-out (headphone) solutions do not prevent the product from being mishandled or stolen. Maintenance and Service Guide 1-11 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 18
model, component locations may vary. Left-Side Components, HP Pavilion dv4000 Item 1 2 3 4 5 Table 1-4 Left-Side Components, HP Pavilion dv4000 Component Function Power connector Connects the AC expansion port. USB ports Connect optional USB devices. 1-12 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 19
HP Pavilion dv4000 (Continued) Item Component Function 6 1394 port (4-pin; full-featured models only) Connects an optional 1394a device such as a scanner, a digital camera, or a digital camcorder. 7 Digital Media Slot (full-featured models only) Supports and Service Guide 1-13 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 20
model, component locations may vary. Left-Side Components, Compaq Presario V4000 Table 1-5 Left-Side Components, Compaq Presario V4000 Item Component Function 1 Power connector Connects the AC adapter devices. ✎ Number of USB ports vary by model. 1-14 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 21
Compaq Presario V4000 (Continued) Item Component Function 6 1394 port (4-pin; full-featured models only) Connects an optional 1394a device such as a scanner, a digital camera, or a digital camcorder. 7 Memory Reader (full-featured models only) Supports Maintenance and Service Guide 1-15 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 22
Product Description The standard keyboard components of the computer are shown below and described in Table 1-6. Standard Keyboard Components 1-16 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 23
to perform system tasks as hotkeys. For example, pressing fn+f7 decreases screen brightness. caps lock key Enables caps lock and turns on the caps an external numeric keypad. Arrow keys Move the cursor around the screen. Windows applications key Displays a shortcut menu for items beneath the - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 24
dv4000 models are shown below and described in Table 1-7. Top Components, HP Pavilion dv4000 Models Item 1 2 Table 1-7 Top Components, HP Pavilion dv4000 Component Function Power light ■ On: Computer is turned on least 4 seconds to turn off the computer. 1-18 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 25
Product Description Table 1-7 Top Components, HP Pavilion dv4000 (Continued) Item Component Function 3 Quick Launch buttons Launch default multimedia, digital imaging Increases system volume. 9 Display switch Initiates standby when the computer is closed. Maintenance and Service Guide 1-19 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 26
Product Description The top components on Compaq Presario V4000 models are shown below and described in Table 1-8. Top Components, Compaq Presario V4000 Models 1-20 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 27
Product Description Table 1-8 Top Components, Compaq Presario V4000 Models Item Component Function 1 Wireless button Turns the wireless functionality on or off, (select system volume. 6 Display switch Initiates standby when the computer is closed. Maintenance and Service Guide 1-21 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 28
HP Pavilion dv4000 Component Function TouchPad Moves the pointer. Left and right TouchPad Function like the left and right buttons on buttons an external mouse. Display release button Opens the computer. TouchPad vertical scroll zone Scrolls up or down. 1-22 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 29
below and described in Table 1-10. TouchPad Components, Compaq Presario V4000 Table 1-10 TouchPad Components, Compaq Presario V4000 Item Component Function 1 TouchPad Moves the pointer. 2 mouse. 4 TouchPad vertical scroll zone Scrolls up or down. Maintenance and Service Guide 1-23 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 30
1-11. Bottom Components Item 1 2 3 Table 1-11 Bottom Components Component Function Battery bay Holds a battery pack. Vents (4) Provide airflow to cool internal components. Ä To prevent overheating, do . Hard drive bay Holds the internal hard drive. 1-24 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 31
and other information labels. Battery pack release latch Releases a battery pack from the battery bay. Memory module cover Contains 2 memory module slots that support replaceable memory modules. The Thermal cover Provides access to the heat sink and processor. Maintenance and Service Guide 1-25 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 32
high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and software applications. Exhaust air is displaced through the ventilation grill located on the left - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 33
Only authorized technicians trained by HP should repair this equipment. All troubleshooting and repair procedures are detailed to the operating system after you exit Computer Setup. ✎ Pointing devices are not supported in Computer Setup; you must use the keyboard to navigate and make selections. - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 34
Troubleshooting in the lower-left corner of the screen. ❏ To change the language, press exit, and then follow the instructions on the screen. ❏ To exit and save then follow the instructions on the screen. Your preferences are in the lower-left corner of the screen. ❏ To change the language, press - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 35
Troubleshooting 4. To confirm the restoration, press f10. 5. Select File > Save changes and exit, and then follow the instructions on the screen This ■ View identification information about the computer and any battery packs in the system. ■ View specification information about the Service Guide 2-3 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 36
Troubleshooting Selecting from the Security Menu Select Administrator password Power-on password Password options DriveLock passwords Smart Card Security Embedded Security Device security System IDs Table 2-2 Security Menu To Do This Enter, change, or delete an HP 2-4 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 37
To Do This Run a quick or comprehensive self-test on any hard drive in the system. View information about any battery packs in the computer. ■ Run a self-test on memory modules in the computer. ■ View information about memory modules installed in the computer. Maintenance and Service Guide 2-5 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 38
Troubleshooting Selecting from the Advanced startup, select Disable.) ■ Enable/Disable USB legacy support for a USB keyboard, mouse, and hub. When USB legacy support is enabled ❐ A USB keyboard, mouse, and is selected, the computer runs in Battery Optimized mode.) 2-6 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 39
Flowcharts Overview Flowchart Description 2.1 "Flowchart 2.1-Initial Troubleshooting" 2.2 "Flowchart 2.2-No Power, Part 1" 2.3 "Flowchart 2.3-No Power, Part 2" 2.4 "Flowchart 2.4-No Power, Part Part 3" 2.13 "Flowchart 2.13-No OS Loading, Diskette Drive" Maintenance and Service Guide 2-7 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 40
Troubleshooting Table 2-5 Troubleshooting Flowcharts Overview (Continued) Flowchart Description 2.14 "Flowchart 2.14-No OS Loading, Optical Drive" 2.15 " 19 "Flowchart 2.19-Nonfunctioning Pointing Device" 2.20 "Flowchart 2.20-No Network/Modem Connection" 2-8 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 41
Flowchart 2.1-Initial Troubleshooting Begin troubleshooting. N Is there power? Y Go to "Flowchart 2.2-No Power, Part 1." N Beeps, LEDs, or error messages? Y N Is there 2.19-Nonfunctioning Pointing Device." Go to "Flowchart 2.20-No Network/Modem Connection." Maintenance and Service Guide 2-9 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 42
Troubleshooting Flowchart 2.2-No Power, Part 1 No power (power LED is off). Remove from docking device (if applicable). N Power up on battery power? Y Reset power.* N Power up on battery power? Y Go to "Flowchart Docking Device (if applicable)." 2-10 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 43
in battery socket and clean if necessary. Y Power on? Done N Check battery by recharging it, moving it to another computer, or replacing it. N Power on? Y Replace power supply (if applicable). N Done Power on? Y Go to "Flowchart 2.4-No Power, Part 3." Done Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 44
Troubleshooting Flowchart 2.4-No Power, Part 3 Continued from "Flowchart 2.3-No Power, Part 2." Plug directly into AC outlet. Y Power LED on? N adapter? Internal Go to "Flowchart 2.5-No Power, Part 4." Replace external AC adapter. N Power on? Y Done Done 2-12 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 45
Flowchart 2.5-No Power, Part 4 Continued from "Flowchart 2.4-No Power, Part 3." Troubleshooting Open computer. Y Loose or damaged parts? N Reseat loose components and boards and * *NOTE: Replace these items as a set to prevent shorting out among components. Maintenance and Service Guide 2-13 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 46
Troubleshooting Flowchart 2.6-No Video, Part 1 No video. Docking Device Stand-alone or docking device? Go to "Flowchart 2.7-No Video, Part System board N Video OK? Y Try another display. N Internal and external video OK? Y Replace system board. Done Done 2-14 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 47
Troubleshooting Flowchart 2.7-No Video, Part 2 Continued from "Flowchart 2.6-No Video, Part 1." Remove computer from docking device, if Done video OK? N Adjust external monitor display. Go to "Flowchart 2.8-Nonfunctioning Docking Device (if applicable)." Maintenance and Service Guide 2-15 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 48
Troubleshooting Flowchart 2.8-Nonfunctioning Docking Device (if applicable) Nonfunctioning docking device. Reseat power cord in docking device operating? N Done Test replacement docking device with new computer. Remove computer, replace docking device. 2-16 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 49
, go to "Flowchart 2.14-No OS Loading, Optical Drive." No OS loading from network, go to "Flowchart 2.20-No Network/Modem Connection." *NOTE: Before beginning troubleshooting, always check cable connections, cable ends, and drives for bent or damaged pins. Maintenance and Service Guide 2-17 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 50
Troubleshooting Flowchart 2.10-No OS Loading, Hard Drive, Part 1 OS not loading from hard drive. Y Nonsystem disk message? N Reseat external hard drive. drive? Y Go to "Flowchart 2.13-No OS Loading, Diskette Drive." Go to "Flowchart 2.17-Nonfunctioning Device." 2-18 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 51
Troubleshooting Flowchart 2.11-No OS Loading, Hard Drive, Part 2 Continued from "Flowchart 2.10-No OS Loading, Hard Drive, Part 1." Reseat booted? N Go to "Flowchart 2.12-No OS Loading, Hard Drive, Part 3." Load OS using Operating System disc (if applicable). Maintenance and Service Guide 2-19 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 52
Troubleshooting Flowchart 2.12-No OS Loading, Hard Drive, Part 3 Continued from "Flowchart 2.11-No OS Loading, Hard Drive, Part 2." N System recommendations. N Fix bad sectors. Boot from hard drive? Replace hard drive. Y Done Replace hard drive. Done 2-20 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 53
Troubleshooting Flowchart 2.13-No OS Loading, Diskette Drive OS not loading from diskette drive. ? Done Section 1.2, "Resetting the N Computer," for instructions. Change boot priority using the Setup Utility. Go to "Flowchart 2.17-Nonfunctioning Device." Maintenance and Service Guide 2-21 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 54
Troubleshooting Flowchart 2.14-No OS Loading, Optical Drive No OS loading from CD-ROM or DVD- the computer. Booting order correct? N Refer to Section 1.2, "Resetting the Computer," for instructions. Go to "Flowchart 2.17-Nonfunctioning Device." Correct boot order using the Setup Utility. 2-22 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 55
Troubleshooting Flowchart 2.15-No Audio, Part 1 No audio. Y Turn up audio internally or Audio? Done externally. N Y Computer in docking -No Audio, Part 2." Replace the docking device. Go to "Flowchart 2.17-Nonfunctioning Device." N Y Audio? Done Maintenance and Service Guide 2-23 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 56
Troubleshooting Flowchart 2.16-No Audio, Part 2 Continued from "Flowchart 2.15-No Audio, Part 1." N Audio driver in OS configured? Y the following components individually, retesting after each replacement: ■ Internal speakers ■ Audio board (if applicable) 2-24 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 57
Troubleshooting Flowchart 2.17-Nonfunctioning Device Nonfunctioning device. Reseat device. Unplug the nonfunctioning device from the computer and to "Flowchart 2.9-No Operating System (OS) Loading." N Device boots properly? Y Done Replace diskette drive. Done Maintenance and Service Guide 2-25 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 58
Troubleshooting Flowchart 2.18-Nonfunctioning Keyboard Keyboard not operating properly. Connect computer to good external keyboard. N External device Y Replace internal keyboard or cable. Y Keyboard Done operating Done properly? N Replace system board. 2-26 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 59
Troubleshooting Flowchart 2.19-Nonfunctioning Pointing Device Pointing device not operating properly. Connect computer to good external pointing internal pointing device or cable. Y Pointing device Done operating Done properly? N Replace system board. Maintenance and Service Guide 2-27 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 60
Troubleshooting Flowchart 2.20-No Network/Modem Connection No network or modem connection. N Network or modem jack active? Y Replace jack or Replace the NIC/modem (if applicable). Y Network or modem connection Done working? N Replace system board. 2-28 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 61
ordering parts or requesting information, provide the computer serial number and model number located on the bottom of the computer. Serial Number Location Maintenance and Service Guide 3-1 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 62
Illustrated Parts Catalog 3.2 Computer Major Components Computer Major Components, HP Pavilion dv4000 3-2 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 63
capability For use with HP Pavilion dv4000 models without wireless capability 403911-001 403910-001 For use with Compaq Presario V4000 models with wireless capability For use with Compaq Presario V4000 models without wireless capability 384619-001 403004-001 Maintenance and Service Guide 3-3 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 64
Illustrated Parts Catalog Computer Major Components, Compaq Presario V4000 3-4 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 65
Components (Continued) Item 3 Description Keyboards For use with HP Pavilion dv4000 models: Belgium Denmark Europe France French Canada Thailand Turkey United Kingdom United States For use with Compaq Presario V4000 models: Denmark France French Canada Italy Korea The Service Guide 3-5 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 66
Illustrated Parts Catalog Computer Major Components, HP Pavilion dv4000 3-6 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 67
modem cable) TouchPad cable Miscellaneous Doors/Covers Kit For use with HP Pavilion dv4000 models For use with Compaq Presario V4000 models Includes: PC Card slot space saver ExpressCard slot space saver Thermal -001 384623-001 383467-001 383469-001 384627-001 Maintenance and Service Guide 3-7 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 68
Illustrated Parts Catalog Computer Major Components, Compaq Presario V4000 3-8 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 69
Rubber feet (not illustrated) For use with HP Pavilion dv4000 models For use with Compaq Presario V4000 models Spare Part Number 403915-001 396696-001 383462-001 384625-001 383459-001 384622-001 383466-001 384629-001 390917-001 385739-001 404369-001 404576-001 Maintenance and Service Guide 3-9 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 70
Illustrated Parts Catalog Computer Major Components, HP Pavilion dv4000 3-10 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 71
WLAN Broadcomm module, for use in the rest of the world Memory modules 1024 MB 512 MB 256 MB Battery packs 12-cell, 8.8-AHr 6-cell, 4.4-AHr Spare Part Number 396700-001 396699-001 393327-001 383474-001 383482-001 383481-001 383480-001 383492-001 383493-001 Maintenance and Service Guide 3-11 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 72
Illustrated Parts Catalog Computer Major Components, HP Pavilion dv4000 3-12 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 73
For use with Compaq Presario V4000 models DVD±RW and CD-RW Double Layer Combo Drive with LightScribe DVD±RW and CD-RW Double Layer Combo Drive DVD/CD-RW Combo Drive DVD-ROM drive RTC battery (includes 2-sided tape 383488-001 383486-001 383484-001 383483-001 Maintenance and Service Guide 3-13 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 74
Illustrated Parts Catalog 3.3 Display Assembly Subcomponents HP Pavilion dv4000 Models 3-14 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 75
Illustrated Parts Catalog Item 1a 1b 2 3a 3b 4 Table 3-2 HP Pavilion dv4000 Display Assembly Subcomponent Spare Part Number Information Description Display Plastics Kit, includes: ■ covers) 403919-001 403918-001 403921-001 397924-001 403925-001 403923-001 Maintenance and Service Guide 3-15 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 76
Illustrated Parts Catalog 3.4 Display Assembly Subcomponents Compaq Presario V4000 Models 3-16 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 77
Illustrated Parts Catalog Item 1a 1b 1c 2 3a 3b 4 Table 3-3 Compaq Presario V4000 Models Display Assembly Subcomponent Spare Part Number Information Description Display Plastics Kit, includes: ■ 403920-001 403918-001 403922-001 397925-001 403926-001 403924-001 Maintenance and Service Guide 3-17 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 78
Illustrated Parts Catalog 3.5 Miscellaneous Doors/Covers Kit Spare Part Information 3-18 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 79
by C-clip) Computer feet For use with HP Pavilion dv4000 models For use with Compaq Presario V4000 models Memory module/Mini PCI compartment cover (includes 3 captive screws, secured by C-clips) Hard drive cover (includes 2 captive screws, secured by C-clips) Maintenance and Service Guide 3-19 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 80
Illustrated Parts Catalog 3.6 Miscellaneous Cable Kit 3-20 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 81
Miscellaneous Cable Kit Includes: Modem cable Audio board cable USB board cable Bluetooth module cable LED board cable Spare Part Number 383468-001 Maintenance and Service Guide 3-21 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 82
Illustrated Parts Catalog 3.7 Mass Storage Devices 3-22 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 83
with HP Pavilion dv4000 models DVD±RW and CD-RW Double Layer Combo Drive with LightScribe DVD±RW and CD-RW Double Layer Combo Drive DVD/CD-RW Combo Drive DVD-ROM drive For use with Compaq Presario V4000 models -001 391744-001 384631-001 396707-001 364727-001 Maintenance and Service Guide 3-23 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 84
383494-001 383496-011 383496-021 383496-001 383496-081 383496-031 383496-BB1 383496-061 383496-AA1 383496-AD1 383496-111 3-24 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 85
V4000 models 385741-001 For use with defeatured Compaq Presario V4000 models 385742-001 All-in-One Media Cable II 375759-001 Audio Y-Cable 2 379452-001 USB travel mouse 309674-001 USB digital drive 364727-001 Wired headset with volume control 371693-001 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 86
Y-Cable 2 Bluetooth module (includes Bluetooth module cable) Defeatured system board Speakers TouchPad cable Miscellaneous Cable Kit Miscellaneous Doors/Covers Kit for use with HP Pavilion dv4000 models Intel Celeron M 1.50-GHz processor (includes thermal paste) 3-26 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 87
for use with HP Pavilion dv4000 models (includes display cable, wireless antenna boards, and antenna cables) 15.4-inch, WXGA, TFT display assembly for use with Compaq Presario V4000 models (includes display 4200-rpm 80-GB hard drive (includes frame and connector) Maintenance and Service Guide 3-27 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 88
dv4000 models in Germany Keyboard for use with HP Pavilion dv4000 models in France Keyboard for use with HP Pavilion dv4000 models in Italy Keyboard for use with HP Pavilion dv4000 models in Spain Keyboard for use with HP Pavilion dv4000 models in Denmark 3-28 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 89
with HP Pavilion dv4000 models in Korea Keyboard for use with HP Pavilion dv4000 models in Sweden/Finland Keyboard for use with HP Pavilion dv4000 models in Israel Power cord for use in Canada, French Canada, Latin America, Taiwan, Thailand, and the United States Maintenance and Service Guide 3-29 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 90
cord for use in Korea Power cord for use in Israel Switch cover for use with Compaq Presario V4000 models with wireless capability (includes LED board and LED board cable) Heat sink assembly board cable, and audio board cable) RTC battery (includes 2-sided tape) 3-30 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 91
V4000 models in France Keyboard for use with Compaq Presario V4000 models in Italy Keyboard for use with Compaq Presario V4000 models in Spain Keyboard for use with Compaq Presario V4000 models in Denmark Keyboard for use with Compaq Presario V4000 models in Norway Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 92
V4000 models Screw Kit For use with defeatured Compaq Presario V4000 models Intel Celeron M 1.30-GHz processor (includes thermal paste) Base enclosure for use with defeatured HP Pavilion dv4000 models TouchPad board, for use with Compaq Presario V4000 models 3-32 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 93
paste) DVD±RW and CD-RW Double Layer Combo Drive with LightScribe for use with HP Pavilion dv4000 models DVD±RW and CD-RW Double Layer Combo Drive with LightScribe for use with Compaq Presario V4000 models DVD-ROM drive for use with HP Pavilion dv4000 models Maintenance and Service Guide 3-33 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 94
cable and transceiver) 6-cell, 4.4-Amp hour battery pack Switch cover for use with Compaq Presario V4000 models without wireless capability (includes LED board and LED board cable) 128-MB memory module 256-MB memory module 12-cell, 8.8-Amp hour battery pack 3-34 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 95
with HP Pavilion dv4000 models (includes Phillips PM2.5×7.0 screws, Phillips PM2.5×5.0 screws, and rubber screw covers) Display Screw Kit for use with Compaq Presario V4000 models (includes Phillips PM2.5×7.0 screws, Phillips PM2.5×5.0 screws, and rubber screw covers) Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 96
V4000 models Rubber feet for use with HP Pavilion dv4000 models Rubber feet for use with Compaq Presario V4000 models Intel Celeron M 1.60-GHz processor (includes thermal paste) Top cover for use with defeatured HP Pavilion dv4000 models (includes TouchPad) 3-36 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 97
Preliminaries This chapter provides essential information for proper and safe removal and replacement service. 4.1 Tools Required You will need the following tools to complete the removal kit-includes connector removal tool, loopback plugs, and case utility tool Maintenance and Service Guide 4-1 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 98
parts. Apply pressure only at the points designated in the maintenance instructions. Cables and Connectors Ä CAUTION: When servicing the computer, ensure that cables are placed in their proper locations flex cables with extreme care; these cables tear easily. 4-2 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 99
mailed, place the drive in a bubble pack mailer or other suitable form of protective packaging and label the package "FRAGILE: Handle With Care." Maintenance and Service Guide 4-3 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 100
work perfectly throughout a normal cycle. Or the device may function normally for a while, then degrade in the internal layers, reducing its life expectancy. 4-4 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 101
ground and that proper materials are selected to avoid static charging. When grounding is not possible, use an ionizer to dissipate electric charges. Maintenance and Service Guide 4-5 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 102
properly grounded work surface and use properly grounded tools and equipment. ■ Use conductive field service tools such as cutters, screwdrivers, and vacuums. ■ When fixtures must directly contact signals before inserting or removing connectors or test equipment. 4-6 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 103
with ground cords of one megohm resistance ■ Static-dissipative tables or floor mats with hard ties to the ground ■ Field service kits ■ Static awareness labels ■ Material-handling packages ■ Nonconductive plastic bags, tubes, or boxes ■ Metal tote boxes ■ Electrostatic voltage levels and - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 104
4-2 Static-Shielding Materials Material Use Voltage Protection Level Antistatic plastic Bags 1,500 V Carbon-loaded plastic Floor mats 7,500 V Metallized laminate Floor mats 5,000 V 4-8 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 105
. There are as many as 95 screws and screw locks, in 11 different sizes, that may have to be removed, replaced, or loosened when servicing the computer. Make special note of each screw and screw lock size and location during removal and replacement. Refer to Appendix C, "Screw Listing." for - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 106
Removal and Replacement Procedures 5.1 Serial Number Report the computer serial number to HP when requesting information or ordering spare parts. The serial number is located on the bottom of the computer. Serial Number Location 5-2 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 107
5.9 Disassembly Sequence Chart Description # of Screws Removed Preparing the Computer for Disassembly Battery pack 0 Hard Drive 2 loosened to remove the hard drive cover 4 to to restore computer functionality. Then contact Customer Care. RTC Battery 0 Maintenance and Service Guide 5-3 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 108
USB Board Bluetooth Module # of Screws Removed 1 loosened to remove the thermal cover 4 removed to remove the heat sink 1 loosened 3 on Compaq Presario V4000 models 4 6 6 2 6 6 0 16 16 2 11 on HP Pavilion dv4000 models 4 on Compaq Presario V4000 models 7 3 8 2 5-4 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 109
to the computer. 3. Disconnect the power cord. Battery Pack Spare Part Number Information 12-cell, 8.8-AHr 6-cell, 4.4-AHr 383492-001 383493-001 4. Remove the battery pack by following these steps: a. Turn the computer upside down with the front toward you. Maintenance and Service Guide 5-5 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 110
the left. (The front edge of the battery pack disengages from the computer.) c. Lift the front edge of the battery pack up and swing it away from you 2. d. Remove the battery pack. Removing the Battery Pack Reverse the above procedure to install the battery pack. 5-6 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 111
-GB 4200 rpm, 40-GB 383487-001 383485-001 383488-001 383486-001 383484-001 383483-001 1. Prepare the computer for disassembly (Section 5.3). Maintenance and Service Guide 5-7 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 112
cover. ✎ The hard drive cover is included in the Miscellaneous Doors/Covers Kits, spare part number 383469-001 (for use with HP Pavilion dv4000 models) and spare part number 384627-001 (for use with Compaq Presario V4000 models). Removing the Hard Drive Cover 5-8 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 113
it disconnects from the computer. 6. Lift the hard drive straight up 3 and remove it from the hard drive bay. Removing the Hard Drive Maintenance and Service Guide 5-9 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 114
remove if from the hard drive. Removing the Hard Drive Frame Reverse the above procedure to reassemble and install the hard drive. 5-10 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 115
(for use with Compaq Presario V4000 models). Rubber feet can also be ordered using spare part numbers 404369-001 (for use with HP Pavilion dv4000 models) and 404576-001 (for use with Compaq Presario V4000 models). Replacing the Computer Feet, HP Pavilion dv4000 Maintenance and Service Guide 5-11 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 116
Removal and Replacement Procedures Replacing the Computer Feet, Compaq Presario V4000 5-12 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 117
HP Pavilion dv4000 models DVD±RW and CD-RW Double Layer Combo Drive with LightScribe DVD±RW and CD-RW Double Layer Combo Drive DVD/CD-RW Combo Drive DVD-ROM drive For use with Compaq Presario V4000 (Section 5.3). 2. Remove the hard drive cover (Section 5.4). Maintenance and Service Guide 5-13 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 118
optical drive to the left 3. 6. Remove the optical drive. Removing the Optical Drive Reverse the above procedure to install the optical drive. 5-14 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 119
Removal and Replacement Procedures 5.7 Memory Module Memory Module Spare Part Number Information 1024 MB 512 MB 256 MB 383482-001 383481-001 383480-001 1. Prepare the computer for disassembly (refer to Section 5.3). Maintenance and Service Guide 5-15 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 120
compartment cover is included in the Miscellaneous Doors/Covers Kits, spare part number 383469-001 (for use with HP Pavilion dv4000 models) and spare part number 384627-001 (for use with Compaq Presario V4000 models). Removing the Memory Module Compartment Cover 5-16 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 121
with a notch 3 to prevent incorrect installation into the memory module socket. Removing the Memory Module Reverse the above procedure to install a memory module. Maintenance and Service Guide 5-17 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 122
5.7). ✎ Make note of which antenna cable is attached to which antenna clip on the Mini PCI communications module before disconnecting the cables. 5-18 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 123
are designed with notches 4 to prevent incorrect installation. Removing a Mini PCI Communications Module Reverse the above procedure to install a Mini PCI communications module. Maintenance and Service Guide 5-19 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 124
Disconnect the RTC battery cable 1 from the system board. 4. Remove the RTC battery 2 from the system board. (The RTC battery is attached to the system board with two-sided tape.) Removing the RTC Battery Reverse the above procedure to install the RTC battery. 5-20 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 125
cover is included in the Miscellaneous Doors/Covers Kits, spare part number 383469-001 (for use with HP Pavilion dv4000 models) and spare part number 384627-001 (for use with Compaq Presario V4000 models). 4. Remove the thermal cover. Removing the Thermal Cover Maintenance and Service Guide 5-21 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 126
heat sink from side to side to detach the heat sink from the processor. 6. Remove the heat sink 2. Removing the Heat Sink 5-22 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 127
is included with all heat sink and processor spare part kits. Thermal Paste Locations Reverse the above procedure to install the heat sink. Maintenance and Service Guide 5-23 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 128
-001 and 396698-001 383471-001 396697-001 389036-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the heat sink (Section 5.10). 5-24 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 129
be aligned in the rear right corner when you install the processor. Removing the Processor Reverse the above procedure to install the processor. Maintenance and Service Guide 5-25 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 130
V4000 models with wireless capability For use with Compaq Presario V4000 models without wireless capability 384619-001 403004-001 ✎ All switch cover spare parts kits include an LED board and LED board cable 1. Prepare the computer for disassembly (Section 5.3). 5-26 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 131
3 apply to Compaq Presario V4000 models. 2. Turn the computer upside down with the rear panel toward you. 3. Remove the three Phillips PM2.5×7.0 screws that secure the switch cover to the computer. Removing the Switch Cover Screws, Compaq Presario V4000 Models Maintenance and Service Guide 5-27 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 132
center 3 and left side 4 of the switch cover from the computer. 9. Rest the switch cover on the computer. Releasing the Switch Cover 5-28 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 133
Keyboard Spare Part Number Information For use with HP Pavilion dv4000 models: Belgium Denmark Europe France French Taiwan Thailand Turkey United Kingdom United States For use with Compaq Presario dv4000 models: Denmark France French Canada Italy Korea The Netherlands and Service Guide 5-29 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 134
Removal and Replacement Procedures 1. Prepare the computer for disassembly (Section 5.3). 2. Release the switch cover (Section 5.12). 3. Remove the four Phillips PM2.0×2.0 screws that secure the keyboard to the computer. Removing the Keyboard Screws 5-30 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 135
Removal and Replacement Procedures 4. Lift the rear edge of the keyboard and swing it forward until it rests on the palm rest. Releasing the Keyboard Maintenance and Service Guide 5-31 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 136
Removal and Replacement Procedures 5. Release the ZIF connector 1 to which the keyboard cable is connected and disconnect the keyboard cable 2 from the system board. 6. Remove the keyboard. Disconnecting the Keyboard Cable 5-32 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 137
Removal and Replacement Procedures 7. Disconnect the LED board cable 1 from the system board. 8. Remove the switch cover 2. Removing the Switch Cover Reverse the above procedure to install the keyboard and switch cover. Maintenance and Service Guide 5-33 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 138
cables. For use with HP Pavilion dv4000 models 15.4-inch, WXGA, TFT with BrightView 383477-001 15.4-inch, WXGA, TFT 383476-001 For use with Compaq Presario V4000 models 15.4-inch, WXGA, 5.13). 4. Turn the computer upside down with the front toward you. 5-34 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 139
clip 2 in the base enclosure. 7. Remove the two Phillips PM2.5×7.0 screws 3 that secure the display assembly to the computer. Removing the Display Screws Maintenance and Service Guide 5-35 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 140
cables 1 from the clips in the top cover. 11. Disconnect the display cable from the system board 2. Removing the Wireless Antenna Cables 5-36 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 141
assembly when removing the following screws. Failure to support the display assembly can result in damage to the apply to HP Pavilion dv4000 models. See steps 26 through 38 in this section to disassemble the display assembly on Compaq Presario V4000 models. Maintenance and Service Guide 5-37 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 142
Display Assembly Subcomponents Spare Part Number Information Display Plastics Kit for use with HP Pavilion dv4000 models, includes: ■ Display bezel ■ Display enclosure 403919-001 the bezel. Removing the Display Bezel Screws, HP Pavilion dv4000 Models 5-38 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 143
top and bottom sides 2 of the display bezel until the bezel disengages from the display assembly. 16. Remove the display bezel 3. Removing the Display Bezel, HP Pavilion dv4000 Models Maintenance and Service Guide 5-39 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 144
Assembly Subcomponents Spare Part Number Information Display Hinge Kit for use with HP Pavilion dv4000 models, includes: ■ Display release hooks ■ Display hinges the display release hooks 2. Removing the Display Release Hooks, HP Pavilion dv4000 Models 5-40 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 145
Assembly Subcomponents Spare Part Number Information Display Hinge Kit for use with HP Pavilion dv4000 models, includes: ■ Display hinges ■ Display release hooks 403921 20. Remove the display hinges 2. Removing the Display Hinges, HP Pavilion dv4000 Models Maintenance and Service Guide 5-41 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 146
21. Remove the six Phillips PM2.5×5.0 screws 1 that secure the display panel to the display enclosure. 22. Remove the display panel 2. Removing the Display Panel, HP Pavilion dv4000 Models 5-42 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 147
wireless antenna transceivers 2 from the display enclosure. 25. Remove the wireless antenna transceivers and cables 3. Removing the Wireless Antenna Transceivers and Cables, HP Pavilion dv4000 Models ✎ Steps 26 through 38 apply to Compaq Presario V4000 models. Maintenance and Service Guide 5-43 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 148
Assembly Subcomponents Spare Part Number Information Display Plastics Kit for use with Compaq Presario V4000 models, includes: ■ Display bezel ■ Display enclosure ■ Display hinge the bezel. Removing the Display Bezel Screws, Compaq Presario V4000 Models 5-44 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 149
top and bottom sides 2 of the display bezel until the bezel disengages from the display assembly. 28. Remove the display bezel 3. Removing the Display Bezel, Compaq Presario V4000 Models Maintenance and Service Guide 5-45 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 150
Assembly Subcomponents Spare Part Number Information Display Hinge Kit for use with Compaq Presario V4000 models, includes: ■ Display release loop ■ Display hinges ■ display release loop 2. Removing the Display Release Loop, Compaq Presario V4000 Models 5-46 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 151
Assembly Subcomponents Spare Part Number Information Display Hinge Kit for use with Compaq Presario V4000 models, includes: ■ Display hinge covers ■ Display hinges ■ . Remove the display hinges 3. Removing the Display Hinges, Compaq Presario V4000 Models Maintenance and Service Guide 5-47 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 152
34. Remove the six Phillips PM2.5×5.0 screws 1 that secure the display panel to the display enclosure. 35. Remove the display panel 2. Removing the Display Panel, Compaq Presario V4000 Models 5-48 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 153
transceivers 2 from the display enclosure. 38. Remove the wireless antenna transceivers and cables 3. Removing the Wireless Antenna Transceivers and Cables, Compaq Presario V4000 Models Reverse the above procedure to reassemble and install the display assembly. Maintenance and Service Guide 5-49 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 154
HP Pavilion dv4000 models (includes TouchPad) For use with full-featured Compaq Presario V4000 models (does not include TouchPad) For use with defeatured Compaq Presario V4000 models Section 5.14) 2. Turn the computer upside down with the front toward you. 5-50 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 155
Removal and Replacement Procedures 3. Remove the following: 1 Eleven Phillips PM2.5×7.0 screws 2 Two Phillips PM2.0×4.0 screws in the optical drive bay Removing the Top Cover Screws, Part 1, HP Pavilion dv4000 Models Maintenance and Service Guide 5-51 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 156
2 from the system board. 6. Remove the three Phillips PM2.5×7.0 screws 3 that secure the top cover to the base enclosure. Removing the Top Cover Screws, Part 2, HP Pavilion dv4000 Models 5-52 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 157
of the top cover up and forward 1 until it rests at an angle. 8. Lift the top cover up and remove it 2. Removing the Top Cover, HP Pavilion dv4000 Models Reverse the above procedure to install the top cover. Maintenance and Service Guide 5-53 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 158
section apply to Compaq Presario V4000 models. The spare part number information listed in the following table applies to both HP Pavilion dv4000 and Compaq Presario V4000 models. Base Section 5.14) 2. Turn the computer right-side up with the front toward you. 5-54 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 159
Removal and Replacement Procedures 3. Remove the following screws: 1 One Phillips PM2.5×7.0 screw 2 Two Phillips PM2.0×16.0 screws Removing the Base Enclosure Screws, Part 1, Compaq Presario V4000 Models Maintenance and Service Guide 5-55 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 160
front toward you. 5. Remove the following screws: 1 Nine Phillips PM2.5×7.0 screws 2 Four Phillips PM2.0×4.0 screws 6. Disconnect the speaker cable 3. Removing the Base Enclosure Screws, Part 2, Compaq Presario V4000 Models 5-56 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 161
. 8. Swing the rear edge of the base enclosure up and forward 2 until it disengages from the computer. 9. Remove the base enclosure. Removing the Base Enclosure, Compaq Presario V4000 Models Reverse the above procedure to install the base enclosure. Maintenance and Service Guide 5-57 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 162
following components: a. Hard drive (Section 5.4) b. Switch cover (Section 5.12) c. Keyboard (Section 5.13) d. Display assembly (Section 5.14) e. Top cover (HP Pavilion dv4000 models, Section 5.15) f. Base enclosure (Compaq Presario V4000 models, Section 5.16) 5-58 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 163
modem cable 3 from the modem board. 5. Remove the modem board. Removing the Modem Board Reverse the above procedure to install the modem board. Maintenance and Service Guide 5-59 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 164
system board: ■ Memory module (Section 5.7) ■ Mini PCI communications module (Section 5.8) ■ RTC battery (Section 5.9) ■ Processor (Section 5.11) ■ Modem board (Section 5.17) ■ Fan drive (Section 5.4) b. Optical drive (Section 5.6) c. Heat sink (Section 5.10) 5-60 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 165
Top cover (HP Pavilion dv4000 models, Section 5.15) h. Base enclosure (Compaq Presario V4000 models, Section 5.16) 2. Turn the computer upside down with the front toward you. 3. Disconnect the speaker cable from the system board. Disconnecting the Speaker Cable Maintenance and Service Guide 5-61 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 166
✎ Steps 4 through 18 apply to HP Pavilion dv4000 models. See steps 19 through 25 in this section to remove the system board on Compaq Presario V4000 models. 4. Turn the computer top side to the computer Removing the System Board Screws, HP Pavilion dv4000 Models 5-62 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 167
Removal and Replacement Procedures 6. Slide the system board shield forward 1 and to the right 2 until the tabs 3 on the shield disengage from the base enclosure. Releasing the System Board Shield, Part 1, HP Pavilion dv4000 Models Maintenance and Service Guide 5-63 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 168
system board shield 2 until the shield tab 3 disengages from the standoff on the bottom of the USB board frame. Releasing the System Board Shield, Part 2, HP Pavilion dv4000 Models 5-64 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 169
it clears the USB board frame. 10. Remove the system board shield 2. System Board Shield Spare Part Number Information System board shield (for use with HP Pavilion dv4000 models) 403915-001 Removing the System Board Shield, HP Pavilion dv4000 Models Maintenance and Service Guide 5-65 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 170
Board," for instructions on removing the USB board and frame on Compaq Presario V4000 models. 11. Disconnect the audio 1, USB 2, and Bluetooth cables 3 from the system board. Disconnecting the Audio, USB, and Bluetooth Module Cables, HP Pavilion dv4000 Models 5-66 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 171
Removal and Replacement Procedures 12. Lift the left side of the USB board and frame 1 until it rests at an angle. 13. Slide the USB board and frame to the left 2 and remove it. Removing the USB Board and Frame, HP Pavilion dv4000 Models Maintenance and Service Guide 5-67 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 172
the two Phillips PM2.5×8.0 round head screws 1 and the Phillips PM2.0×4.0 screw 2 that secure the USB board to the frame. Removing the USB Board Screws, HP Pavilion dv4000 Models 15. Lift the left side of the USB board 1 until it rests at an angle. 16. Slide the USB board to the - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 173
Removal and Replacement Procedures 17. Use the hard drive connector 1 to lift the right side of the system board 2 until it rests at an angle. 18. Slide the system board to the right 3 and remove it. Removing the System Board, HP Pavilion dv4000 Models Maintenance and Service Guide 5-69 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 174
through 25 apply to Compaq Presario V4000 models. 19. Turn the top cover right-side up with the front toward you. 20. Disconnect the audio 1, USB 2, and Bluetooth cables 3 from the system board. Disconnecting the System Board Cables, Compaq Presario V4000 Models 5-70 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 175
the system board. 22. Remove the two Phillips PM2.0×4.0 screws 2 that secure the system board to the top cover. Removing the System Board Screws, Part 1, Compaq Presario V4000 Models Maintenance and Service Guide 5-71 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 176
top cover. 25. Use the hard drive connector 2 and fan frame 3 to lift the system board straight up and remove it 4. Removing the System Board, Compaq Presario V4000 Models Reverse the above procedure to install the system board. 5-72 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 177
assembly (Section 5.14) e. Top cover (Section 5.15) f. System board (Section 5.18) 2. Turn the system board upside down with the right side toward you. Maintenance and Service Guide 5-73 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 178
Removal and Replacement Procedures 3. Disconnect the fan cable 1 from the system board. 4. Remove the four Phillips PM2.5×7.0 screws 2 that secure the fan assembly to the system board. 5. Remove the fan assembly 3. Removing the Fan Assembly 5-74 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 179
Removal and Replacement Procedures 6. Remove the three Phillips PM2.0×4.0 screws 1 that secure the fan to the fan assembly. 7. Remove the fan 2. Removing the Fan Reverse the above procedure to reassemble and install the fan assembly. Maintenance and Service Guide 5-75 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 180
: a. Hard drive (Section 5.4) b. Switch cover (Section 5.12) c. Keyboard (Section 5.13) d. Display assembly (Section 5.14) e. Top cover (Section 5.15) f. System board (Section 5.18) 5-76 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 181
Removal and Replacement Procedures 2. Remove the three Phillips PM2.0×4.0 screws 1 that secure the left and right speakers to the base enclosure. 3. Remove the left and right speakers 2. Removing the Speakers Reverse the above procedure to install the speakers. Maintenance and Service Guide 5-77 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 182
(Section 5.13) d. Display assembly (Section 5.14) e. Top cover (HP Pavilion dv4000 models, Section 5.15) f. Base enclosure (Compaq Presario V4000 models, Section 5.16) g. System board (Section 5.18) 2. Position the top cover with the left side toward you. 5-78 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 183
the top cover. 6. Slide the USB board and frame away from you 4 and remove it from the top cover. Removing the USB Board and Frame, Compaq Presario V4000 Models Maintenance and Service Guide 5-79 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 184
frame. 10. Slide the frame away 4 and remove it. Removing the USB Board Reverse the above procedure to install the USB board. 5-80 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 185
cover (Section 5.12) c. Keyboard (Section 5.13) d. Display assembly (Section 5.14) e. Top cover (HP Pavilion dv4000 models, Section 5.15) f. Base enclosure (Compaq Presario V4000 models, Section 5.16) g. System board (Section 5.18) h. USB board (Section 5.21) Maintenance and Service Guide 5-81 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 186
to the USB board frame. 3. Remove the Bluetooth module 2. Removing the Bluetooth Module Reverse the above procedure to install the Bluetooth module. 5-82 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 187
Depth Weight Full-featured model with 15.4-inch display, optical drive and 12-cell battery pack Input Power Operating voltage Operating current Temperature Operating Nonoperating Metric 3.35 cm 35 65 W 3.5 A 10°C to 35°C -20°C to 60°C 50°F to 95°F -4°F to 140°F Maintenance and Service Guide 6-1 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 188
, 0.5 oct/min sweep rate ✎ Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 6-2 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 189
typical 8.1 in 13.0 in 15.4 in 0.259 × 0.259 mm 1366 × 768 RGB vertical stripe Edge lit 80 × 25 5.5 W +/-65° horizontal, +50° vertical typical Maintenance and Service Guide 6-3 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 190
for details. *1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less. †Actual drive specifications may differ slightly. 6-4 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 191
for details. *1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less. †Actual drive specifications may differ slightly. Maintenance and Service Guide 6-5 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 192
Specifications Table 6-4 Primary 6-cell, Li-Ion Battery Pack Dimensions Height Width Depth Weight Energy Voltage Amp-hour capacity Watt-hour capacity Temperature Operating Nonoperating 45°C 0°C to 60°C 0.79 in 3.70 in 5.28 in 0.75 lb 41°F to 113°F 32°F to 140°F 6-6 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 193
KB/s at 1X CD rate) 10,800 KB/s (1352 KB/s at 1X DVD rate) 16.6 MB/s Startup time < 15 seconds Stop time < 6 seconds Maintenance and Service Guide 6-7 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 194
(0.59 in) Disc diameter Standard disc Mini disc 12 cm (4.72 in) 8 cm (3.15 in) Disc thickness 1.2 mm (0.047 in) Track pitch 0.74 µm 6-8 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 195
rate) 3600 KB/s (150 KB/s at 1X CD rate) 10,800 KB/s (1352 KB/s at 1X DVD rate) 16.6 MB/s < 10 seconds < 3 seconds Maintenance and Service Guide 6-9 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 196
: CD-R and CD-RW DVD-R and DVD-RW 1.5 cm (0.59 in) 12 cm (4.72 in) 8 cm (3.15 in) 1.2 mm (0.047 in) 0.74 µm 6-10 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 197
DVD rate) 5,400 KB/s (1,352 KB/s at 1X DVD rate) 2,700 KB/s (1,352 KB/s at 1X DVD rate) 16.6 MB/s < 15 seconds < 6 seconds Maintenance and Service Guide 6-11 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 198
Direct memory access controller DMA5* Available for PC Card DMA6 Not assigned DMA7 Not assigned *PC Card controller can use DMA 1, 2, or 5. 6-12 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 199
Microsoft ACPI-compliant system Intel USB UHCI controller-24C2 Intel 82852/82855 GM/GME Graphic Controller Realtek RTL8139 Family PCI fast Ethernet Controller Maintenance and Service Guide 6-13 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 200
assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4. 6-14 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 201
/timer registers Unused Keyboard controller Port B Unused Keyboard controller Unused NMI enable/RTC Unused DMA page registers Unused Port A Unused Interrupt controller no. 2 Maintenance and Service Guide 6-15 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 202
Unused Primary fixed disk controller Unused Joystick (decoded in ESS1688) Unused Entertainment audio Unused Unused Unused Unused Unused Unused Reserved serial port 6-16 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 203
Unused Secondary diskette drive controller Parallel port (LPT1/default) Unused FM synthesizer-OPL3 Unused VGA Reserved (parallel port/no EPP support) VGA PC Card controller in CPU Unused Internal modem "A" diskette controller Serial port (COM1/default) PCI configuration index register (PCIDIVO - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 204
Base memory Video memory Video BIOS Unused System BIOS Extended memory Super extended memory Unused Video memory (direct access) Unused System BIOS 6-18 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 205
A Connector Pin Assignments Table A-1 Audio-Out (Headphone) Pin Signal 1 Audio out, left channel 2 Audio out, right channel Pin Signal 3 Ground Maintenance and Service Guide A-1 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 206
Connector Pin Assignments Table A-2 Audio-In (Microphone) Pin Signal 1 Audio signal in 2 Audio signal in Pin Signal 3 Ground Table A-3 Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - Pin Signal 3 Data + 4 Ground A-2 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 207
analog Pin Signal 9 +5 VDC 10 Ground 11 Monitor detect 12 DDC 2B data 13 Horizontal sync 14 Vertical sync 15 DDC 2B clock Maintenance and Service Guide A-3 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 208
Connector Pin Assignments Table A-5 RJ-45 (Network) Pin Signal 1 Transmit + 2 Transmit - 3 Receive + 4 Unused Pin Signal 5 Unused 6 Receive - 7 Unused 8 Unused A-4 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 209
Connector Pin Assignments Table A-6 RJ-11 (Modem) Pin Signal 1 Unused 2 Tip 3 Ring Pin Signal 4 Unused 5 Unused 6 Unused Maintenance and Service Guide A-5 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 210
Connector Pin Assignments Table A-7 S-Video-Out Pin Signal 1 S-VHS color (C) signal 2 Composite video signal 3 S-VHS intensity (Y) signal 4 S-VHS color ground Pin Signal 5 TV-CD 6 S-VHS intensity ground 7 Composite video ground A-6 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 211
equipment is purchased. Power cord sets for use in other countries must meet the requirements of the country where the computer is used. Maintenance and Service Guide B-1 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 212
of an EN 60 320/IEC 320 Standard Sheet C13 connector for mating with the appliance inlet on the back of the computer. B-2 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 213
or VCTF, 3-conductor, 1.00 mm² conductor size. The wall plug must be a two-pole grounding type with a Japanese Industrial Standard C8303 (7 A, 125 V) configuration. Maintenance and Service Guide B-3 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 214
coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country where it will be used. B-4 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 215
in the following Screw Kits: ■ Computer Screw Kit, spare part number 382692-001 ■ Display Screw Kit for use with HP Pavilion dv4000 models, spare part number 403923-001 ■ Display Screw Kit for use with Compaq Presario V4000 models, spare part number 403924-001 Maintenance and Service Guide C-1 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 216
secures the thermal cover to the computer (screw is captured on the cover by C clips; documented in Section 5.10) Phillips PM2.0×5.0 Screw Locations C-2 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 217
Screw Listing Table C-2 Phillips PM2.5×4.0 Screw Head mm Color Qty. Length Thread Width Black 4 4.0 mm 2.5 mm 4.5 mm Where used: 4 screws that secure the hard drive frame to the hard drive (documented in Section 5.4) Phillips PM2.5×4.0 Screw Locations Maintenance and Service Guide C-3 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 218
in Section 5.6) 2 Three screws that secure the switch cover on Compaq Presario V4000 models computer (documented in Section 5.12) 3 Two screws that secure the display assembly to the computer (documented in Section 5.14) Phillips PM2.5×7.0 Screw Locations C-4 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 219
56 7.0 mm 2.5 mm 4.5 mm Where used: 4 screws that secure the display assembly to the computer (documented in Section 5.14) Phillips PM2.5×7.0 Screw Locations Maintenance and Service Guide C-5 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 220
7.0 mm 2.5 mm 4.5 mm Where used: 6 screws that secure the display bezel to the display assembly (documented in Section 5.14) Phillips PM2.5×7.0 Screw Locations C-6 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 221
7.0 mm 2.5 mm 4.5 mm Where used: 6 screws that secure the display hinges to the display enclosure (documented in Section 5.14) Phillips PM2.5×7.0 Screw Locations Maintenance and Service Guide C-7 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 222
Screw Listing Table C-3 Phillips PM2.5×7.0 Screw (Continued) mm Color Qty. Length Thread Black 56 7.0 mm 2.5 mm Where used: 11 screws that top cover to the HP Pavilion dv4000 (documented in Section 5.15) Head Width 4.5 mm Phillips PM2.5×7.0 Screw Locations C-8 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 223
PM2.5×7.0 Screw (Continued) Head mm Color Qty. Length Thread Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: 3 screws that secure the top cover to the HP Pavilion dv4000 (documented in Section 5.15) Phillips PM2.5×7.0 Screw Locations Maintenance and Service Guide C-9 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 224
PM2.5×7.0 Screw (Continued) Head mm Color Qty. Length Thread Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: One that secures the base enclosure to the Compaq Presario V4000 (documented in Section 5.16) Phillips PM2.5×7.0 Screw Location C-10 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 225
PM2.5×7.0 Screw (Continued) Head mm Color Qty. Length Thread Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: 9 screws that secure the base enclosure to the Compaq Presario V4000 (documented in Section 5.16) Phillips PM2.5×7.0 Screw Locations Maintenance and Service Guide C-11 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 226
C-3 Phillips PM2.5×7.0 Screw (Continued) Head mm Color Qty. Length Thread Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: 4 screws that secure the system board on HP Pavilion dv4000 models (documented in Section 5.18) Phillips PM2.5×7.0 Screw Locations C-12 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 227
.5×7.0 Screw (Continued) mm Color Qty. Length Thread Black 56 7.0 mm 2.5 mm Where used: 2 screws that secure the system board to the top cover on the Compaq Presario V4000 (documented in Section 5.18) Head Width 4.5 mm Phillips PM2.5×7.0 Screw Locations Maintenance and Service Guide C-13 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 228
2.5 mm 4.5 mm Where used: 4 screws that secure the fan assembly to the system board (documented in Section 5.19) Phillips PM2.5×7.0 Screw Locations C-14 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 229
2.5 mm 4.0 mm Where used: 2 screws that secure the display release hooks to the display enclosure (documented in Section 5.14) Phillips PM2.5×5.0 Screw Locations Maintenance and Service Guide C-15 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 230
4.0 mm Where used: 6 screws that secure the display panel to the display enclosure on (documented in Section 5.14) Phillips PM2.5×5.0 Screw Locations C-16 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 231
: 4 screws that secure the heat sink to the computer (documented in Section 5.10) Head Width 5.0 mm Phillips PM2.0×12.0 Spring-Loaded Screw Locations Maintenance and Service Guide C-17 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 232
Table C-6 Black Phillips PM2.0×2.0 Screw Head mm Color Qty. Length Thread Width Black 4 2.0 mm 2.0 mm 5.0 mm Where used: 4 screws that secure the keyboard on Compaq Presario V4000 models (documented in Section 5.13) Phillips PM2.0×2.0 Screw Locations C-18 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 233
Table C-7 Silver Phillips PM2.0×2.0 Screw Head mm Color Qty. Length Thread Width Silver 4 2.0 mm 2.0 mm 7.0 mm Where used: 4 screws that secure the keyboard on HP Pavilion dv4000 models (documented in Section 5.13) Phillips PM2.0×2.0 Screw Locations Maintenance and Service Guide C-19 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 234
Screw Listing Table C-8 Phillips PM2.0×4.0 Screw Head mm Color Qty. Length Thread Width Black 22 4.0 mm 2.0 mm 4.0 mm Where used: 2 screws that secure the top cover HP Pavilion dv4000 models (documented in Section 5.15) Phillips PM2.0×4.0 Screw Locations C-20 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 235
C-8 Phillips PM2.0×4.0 Screw (Continued) Head mm Color Qty. Length Thread Width Black 22 4.0 mm 2.0 mm 4.0 mm Where used: 4 screws that secure the base enclosure on Compaq Presario V4000 models (documented in Section 5.16) Phillips PM2.0×4.0 Screw Locations Maintenance and Service Guide C-21 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 236
2.0 mm 4.0 mm Where used: 2 screws that secure the modem board to the system board (documented in Section 5.17) Phillips PM2.0×4.0 Screw Locations C-22 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 237
Screw (Continued) mm Color Qty. Length Thread Black 22 4.0 mm 2.0 mm Where used: 2 screws that secure the system board to the base enclosure on HP Pavilion dv4000 computers (documented in Section 5.18) Head Width 4.0 mm Phillips PM2.0×4.0 Screw Locations Maintenance and Service Guide C-23 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 238
Where used: One screw that secures the USB board and frame to the base enclosure on HP Pavilion dv4000 computers (documented in Section 5.18) and to the top cover on Compaq Presario V4000 computers (documented in Section 5.21) Phillips PM2.0×4.0 Screw Location C-24 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 239
4.0 mm 2.0 mm 4.0 mm Where used: 2 screws that secure the system board to the top cover (documented in Section 5.18) Phillips PM2.0×4.0 Screw Locations Maintenance and Service Guide C-25 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 240
Screw Listing Table C-8 Phillips PM2.0×4.0 Screw (Continued) Head mm Color Qty. Length Thread Width Black 22 4.0 mm 2.0 mm 4.0 mm Where used: 3 screws that secure the fan to the fan assembly (documented in Section 5.19) Phillips PM2.0×4.0 Screw Locations C-26 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 241
22 4.0 mm 2.0 mm 4.0 mm Where used: 3 screws that secure the speaker to the base enclosure (documented in Section 5.20) Phillips PM2.0×4.0 Screw Locations Maintenance and Service Guide C-27 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 242
4.0 mm Where used: 3 screws that secure the USB board and frame to the computer (documented in Section 5.21) Phillips PM2.0×4.0 Screw Locations C-28 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 243
Black 2 16.0 mm 2.0 mm 4.5 mm Where used: 2 screws that secure the base enclosure on Compaq Presario V4000 models (documented in Section 5.16) and the system board on HP Pavilion dv4000 models (documented in Section 5.18) Phillips PM2.0×16.0 Screw Locations Maintenance and Service Guide C-29 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 244
Width Silver 2 8.0 mm 2.5 mm 5.0 mm Where used: 2 screws that secure the USB board to the frame on HP Pavilion dv4000 computers (documented in Section 5.18) and Compaq Presario V4000 computers (documented in Section 5.21) Phillips PM2.5×8.0 Screw Locations C-30 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 245
1.5 mm 3.0 mm Where used: 2 screws that secure the Bucktooth board to the USB board frame (documented in Section 5.22) Phillips PM1.5×4.0 Screw Locations Maintenance and Service Guide C-31 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 246
are the liquid crystal display (LCD) panel and the backlight. Careful handling should be exercised when removing these components. ✎ Materials Disposal This HP product contains mercury in the backlight Electronic Industries Alliance (EIA) at http://www.eiae.org. Maintenance and Service Guide D-1 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 247
from one display assembly to another. The procedures provided in this appendix are general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary from one computer model to another. D-2 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 248
Display Component Recycling Perform the following steps to disassemble the display assembly: 1. Remove all screw covers 1 and screws 2 that secure the display bezel to the display assembly. Removing the Display Bezel Screw Covers and Screws Maintenance and Service Guide D-3 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 249
Display Component Recycling 2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly. 3. Remove the display bezel 3. Removing the Display Bezel D-4 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 250
Display Component Recycling 4. Disconnect all display panel cables 1 from the display inverter and remove the inverter 2. Removing the Display Inverter Maintenance and Service Guide D-5 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 251
Display Component Recycling 5. Remove all screws 1 that secure the display panel assembly to the display enclosure. 6. Remove the display panel assembly 2 from the display enclosure. Removing the Display Panel Assembly D-6 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 252
Display Component Recycling 7. Turn the display panel assembly upside down. 8. Remove all screws that secure the display panel frame to the display panel. Removing the Display Panel Frame Screws Maintenance and Service Guide D-7 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 253
Display Component Recycling 9. Use a sharp-edged tool to cut the tape 1 that secures the side of the display panel to the display panel frame. 10. Remove the display panel frame 2 from the display panel. Removing the Display Frame D-8 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 254
Display Component Recycling 11. Remove the screws 1 that secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover 2 and swing it forward. 13. Remove the backlight cover. Removing the Backlight Cover Maintenance and Service Guide D-9 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 255
Display Component Recycling 14. Turn the display panel right-side up. 15. Remove the backlight cables 1 from the clip 2 in the display panel. Releasing the Backlight Cables D-10 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 256
Display Component Recycling 16. Turn the display panel upside down. 17. Remove the backlight frame from the display panel. Removing the Backlight Frame Maintenance and Service Guide D-11 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 257
avoid damaging this component and causing exposure to the mercury. 18. Slide the backlight out of the backlight frame. Removing the Backlight D-12 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 258
cable 1 from the LCD panel. 20. Remove the screws 2 that secure the LCD panel to the display rear panel. 21. Release the LCD panel 3 from the display rear panel. 22. Release the tape 4 that secures the LCD panel to the display rear panel. Releasing the LCD Panel Maintenance and Service Guide D-13 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 259
Display Component Recycling 23. Remove the LCD panel. Removing the LCD Panel 24. Recycle the backlight and LCD panel. D-14 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 260
3-25, 3-26 arrow keys 1-17 audio board cable 3-21 audio troubleshooting 2-23 Audio Y-Cable 2, spare part number 3-25, 3-26 audio- battery release latch 1-25 Bluetooth module removal 5-81 spare part number 3-9, 3-26, 5-81 Bluetooth module cable 3-21 bottom components 1-20, 1-24 C cables, service - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 261
Media Slot light 1-13 disassembly sequence chart 5-3 diskette drive OS loading problems 2-21 precautions 4-3 display assembly removal 5-34 spare part numbers 3-3, 3- display switch 1-19, 1-21 docking device, troubleshooting 2-16 drives, preventing damage 4-3 Index-2 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 262
, 3-33, 5-13 specifications 6-10 DVD-ROM drive OS loading problems 2-22 precautions 4-3 removal 5-13 spare part number 3-13, 3-23 f12 keys 1-17 features 1-2 feet illustrated 3-19 locations 5-11 flowcharts, troubleshooting no audio 2-23, 2-24 no network/modem connection 2-28 no Service Guide Index-3 - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 263
Index H hard drive OS loading problems 2-18 precautions 4-3 removal 5-7 spare part numbers 3-13, 3-23 29 spare part numbers 3-5, 3-28, 3-29, 3-31, 3-32, 5-29 troubleshooting 2-26 keyboard components 1-16 keypad keys 1-17 L LED board cable 3-21 left 3-20, 3-26 Index-4 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 264
troubleshooting 2-28 nonfunctioning device, troubleshooting 2-16, 2-25 notebook specifications 6-1 num lock key 1-17 O optical drive location 1-9, 1-11, 1-25 OS loading problems 1-5 power supply, spare part number 3-24, 3-28 power, troubleshooting 2-10 precautions DVD/CD-RW Combo Drive 4-3 DVD±RW and - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 265
security cable slot 1-9, 1-11 serial number 3-1, 5-2 service considerations 4-2 speakers location 1-7 removal 5-76 spare part number 3-9, 3-26, 5-76 specifications battery pack 6-6 DVD/CD-RW Combo Drive 6-7 DVD± 35, 5-65 system DMA 6-12 system memory map 6-18 Index-6 Maintenance and Service Guide - HP Presario V4000 | HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Not - Page 266
, 3-26 USB travel mouse, spare part number 3-25, 3-26 V vent, locations 1-24 video troubleshooting 2-14 volume buttons 1-19, 1-21 volume mute light 1-21 W Windows applications key 1-17 Windows button 1-19, 1-21 wireless light 1-19 workstation precautions 4-6 Maintenance and Service Guide Index-7
Maintenance and Service
Guide
HP Pavilion dv4000 Notebook PC
Compaq Presario V4000 Notebook PC
Document Part Number: 377367-003
October 2005
This guide is a troubleshooting reference used for maintaining
and servicing the computer. It provides comprehensive
information on identifying computer features, components, and
spare parts; troubleshooting computer problems; and performing
computer disassembly procedures.