HP Nc2400 HP Compaq nc2400 Notebook PC - Maintenance and Service Guide
HP Nc2400 - Compaq Business Notebook Manual
UPC - 883585088331
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- HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 1
HP Compaq nc2400 Notebook PC Document Part Number: 407949-002 August 2007 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 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 2
and other countries. Microsoft, Windows, and Windows Vista are either trademarks or HP shall not be liable for technical or editorial errors or omissions contained herein. Maintenance and Service Guide HP Compaq nc2400 Notebook PC Second Edition: August 2007 First Edition: May 2006 Document Part - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 3
MSG revision history Revision Publication date A January 2010 Description The part number for the Switch cover has been corrected to 412754-001 in the following locations: "Computer Major Components" on page 3-2, "Sequential Part Number Listing" on page 3-24, and "Switch Cover" on page 5-27. - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 4
3.1 Serial Number Location 3-1 3.2 Computer Major Components 3-2 3.3 Display Assembly Components 3-16 3.4 Plastics Kit 3-18 3.5 Cable Kit 3-20 3.6 Mass Storage Devices 3-21 3.7 Miscellaneous (Not Illustrated 3-22 3.8 Sequential Part Number Listing 3-24 Maintenance and Service Guide v - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 5
and Methods 4-7 5 Removal and Replacement Procedures 5.1 Serial Number 5-2 5.2 Disassembly Sequence Chart 5-3 5.3 Preparing the Computer for Disassembly 5-5 5.4 Hard Drive 5-7 5.5 Computer Feet 5-11 5.6 External Memory Module 5-12 5.7 Mini Card WLAN Module 5-14 5.8 RTC Battery 5-20 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 6
6 Specifications A Screw Listing B Backup and Recovery C Display Component Recycling D Connector Pin Assignments E Power Cord Set Requirements Index Contents Maintenance and Service Guide vii - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 7
1 Product Description The HP Compaq nc2400 Notebook PC offers advanced modularity, Intel® Core™ Duo, Pentium® M, and Celeron® M processors, and extensive multimedia support. HP Compaq nc2400 Notebook PC Maintenance and Service Guide 1-1 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 8
■ Full-size Windows keyboard with embedded numeric keypad ■ Pointing stick pointing device ■ Integrated 10 Base-T/100 Base-TX Ethernet local area network (LAN) network interface card (NIC) with RJ-45 jack ■ Integrated high-speed 56-K modem with RJ-11 jack 1-2 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 9
16-bit PC Cards, varying by computer model ■ External 65-watt AC adapter with 3-wire power cord ■ 9-, 6-, or 3-cell Li-Ion battery, varying by computer model ■ Audio speaker ■ Volume up, volume mute, and volume down buttons ■ Support for the following optical drives: ❏ DVD±RW and CD-RW Double-Layer - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 10
," for more information on removing and replacing the RTC battery). 2. Wait approximately 5 minutes. 3. Replace the RTC battery and reassemble the computer. 4. Connect AC power to the computer. Do not reinsert any batteries at this time. 5. Turn on the computer. All passwords and all CMOS settings - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 11
power management features: ■ Standby ■ Hibernation ■ Setting customization by the user ■ Hotkeys for setting the level of performance ■ Battery calibration ■ Lid switch standby/resume ■ Power button ■ Advanced Configuration and Power Management (ACPM) compliance Maintenance and Service Guide 1-5 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 12
area network (LAN) device and/or a Bluetooth® device, is turned on. ■ On: The computer is on. ■ Blinking: The computer is in standby. ■ Blinking rapidly: An AC adapter with a higher power rating should be connected. ■ Off: The computer is off or in hibernation. 1-6 Maintenance and - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 13
reaches a low-battery condition. Drive light ■ Blinking: The hard drive or optical drive is being accessed. ■ Amber: HP Mobile Data Protection with accelerometer software has temporarily parked the internal hard drive. Display release latch Opens the computer. Maintenance and Service Guide 1-7 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 14
Right-Side Components Component Function PC Card slot Supports optional Type or Type II 32-bit (CardBus) or 16-bit PC Cards. 1394 port Connects an optional 1394a device such as a scanner, digital camera, or digital camcorder. Audio-out (headphone) jack Connect optional headphones or powered - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 15
Side Components Component Function Smart Adapter power connector Connects an AC adapter or an optional power adapter. RJ-11 (modem) jack Connects the modem cable. USB source. Optical drive Supports an optical disc. The type of optical drive varies by model. Maintenance and Service Guide 1-9 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 16
Product Description The external components on the rear panel of the computer are shown below and described in Table 1-4. Rear Panel Components 1-10 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 17
optional network cable. Battery bay Holds a battery. Security cable slot Attaches an optional security cable to the computer. Ä Security solutions are designed to act as deterrents. These deterrents may not prevent a product from being mishandled or stolen. Maintenance and Service Guide 1-11 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 18
Product Description The standard keyboard components of the computer are shown below and described in Table 1-5. Standard Keyboard Components 1-12 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 19
key, several keys and buttons perform additional tasks as hotkeys. caps lock key Enables caps lock and turns Windows logo key In Windows, displays the Windows Start menu. Windows applications key In Windows, around the screen. Keypad keys (15) In Windows, can be used like the keys on an - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 20
Top Components Item 1 Component Power light Table 1-6 Top Components Function ■ On: The computer is on. ■ Blinking: The computer is in standby. ■ Blinking rapidly: An AC adapter with a higher power rating should be connected. ■ Off: The computer is off or in hibernation. 1-14 Maintenance and - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 21
■ In hibernation, briefly press to restore from hibernation. If the system has stopped responding and Windows shutdown procedures cannot be used, press and hold for 5 seconds to turn off the computer. speaker volume. Volume up button Increases speaker volume. Maintenance and Service Guide 1-15 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 22
Product Description The computer top components are shown below and described in Table 1-7. Top Components 1-16 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 23
Function Pointing stick buttons Function like the left, middle, and right buttons on an external mouse. Fingerprint reader Allows a fingerprint logon to Windows instead of using a password. Pointing stick Moves the pointer and selects or activates items on the screen. Maintenance and - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 24
from the battery bay. Exhaust vents Provides airflow to cool internal components. Ä To prevent overheating, do not obstruct fans. Do not allow a hard surface, such as a printer, or a soft surface, such as pillows, thick rugs, or clothing, to block airflow. 1-18 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 25
Function Hard drive bay Holds the primary hard drive. Memory module compartment Contains one memory slot that supports replaceable memory modules then receive a warning message, remove the device to restore computer functionality. Then contact Customer Care. Maintenance and Service Guide 1-19 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 26
replacement parts, and Chapter 5, "Removal and Replacement Procedures," for disassembly steps. The system boards provide the following device connections: ■ Audio ■ Display ■ Hard drive ■ Intel Pentium M, Celeron M, Core Duo processors (depending on board) ■ Keyboard and pointing stick ■ Memory - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 27
authorized technicians trained by HP should repair this equipment. All troubleshooting and repair procedures not load. This utility includes settings that are not available in Windows. Using Computer Setup Information and settings in Computer Setup are accessed . Maintenance and Service Guide 2-1 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 28
Troubleshooting 2. Select the File, Security, Diagnostics, or System Configuration menu. 3. To close about the computer, processor, memory and cache size, and system ROM. ■ View BIOS revision, keyboard controller version, and battery serial number information. 2-2 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 29
support. ■ Automatic DriveLock support. System IDs Establish ■ Notebook asset tracking number. ■ Notebook ownership tags. Disk Sanitizer Establish fast, optimum, or custom settings for disk sanitizing. *Not applicable to SuperDisk LS-120 drives. Maintenance and Service Guide 2-3 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 30
Troubleshooting Selecting from the Diagnostics Menu Select HDD Self-Test Options Memory Check Table 2-3 Diagnostics Menu To Do This Run a quick comprehensive self test on hard drives in the system that support the test features. Run a quick comprehensive test on system memory on the following - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 31
■ Fan Always on while on AC Power. ■ Data Execution Prevention. ■ LAN Power save. Enable/disable ■ Embedded WLAN Device Radio. ■ Embedded Bluetooth Device Radio. ■ LAN/WLAN Switching. ■ Wake on LAN from Off. Enable/disable ■ USB Port. ■ 1394 Port. ■ CardBus Slot. Maintenance and Service Guide 2-5 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 32
"Flowchart 2.8-Nonfunctioning Docking Device (if applicable)" 2.9 "Flowchart 2.9-No Operating System (OS) Loading" 2.10 "Flowchart 2.10-No OS Loading, Hard Drive, Part 1" 2.11 "Flowchart 2.11-No OS Loading, Hard Drive, Part 2" 2.12 "Flowchart 2.12-No OS Loading, Hard Drive, Part 3" 2.13 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 33
, Part 1." Go to Y "Flowchart 2.9-No Operating System (OS) Loading." Y Go to "Flowchart 2.15-No Audio, Part 1." N All drives working? N Keyboard/ Keyboard" or "Flowchart 2.19-Nonfunctioning Pointing Device." Go to "Flowchart 2.20-No Network/Modem Connection." Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 34
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 2.3-No Power, Part 2." N Power up on AC power? Y Reset power.* N Power up on - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 35
Troubleshooting Flowchart 2.3-No Power, Part 2 Continued from "Flowchart 2.2-No Power, Part 1." Visually check for debris 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 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 36
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? Done N Reseat AC adapter in computer and at power source. Y Power on? N N Power outlet active? Y Replace power cord. Y Power on? N Done Try different - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 37
Y Replace the following items (if applicable). Check computer operation after each replacement: 1. Internal DC-DC converter* 2. Internal AC adapter 3. Processor board* 4. System board* *NOTE: Replace these items as a set to prevent shorting out among components. Done Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 38
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 2." Stand-alone Internal or external display*? External Adjust brightness. Adjust brightness. Internal A Y *NOTE: To change from internal to external - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 39
Troubleshooting Flowchart 2.7-No Video, Part 2 Continued from "Flowchart 2.6-No Video, Part 1." Remove computer from docking device, if connected. Adjust display brightness. Check brightness of external monitor. N Y Go to "A" in Video OK? "Flowchart 2.6-No Video, Video OK? Done Part 1." - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 40
Troubleshooting Flowchart 2.8-Nonfunctioning Docking Device (if applicable) Nonfunctioning docking device. Reset power cord in docking device and power outlet. Check voltage setting on docking device. Reset monitor cable connector at docking device. Y Docking device operating? N Replace docking - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 41
Troubleshooting Flowchart 2.9-No Operating System (OS) Loading No OS loading.* Reset power cord in docking device and power outlet. No OS loading from hard drive, go to "Flowchart 2.10-No OS Loading, Hard Drive, Part 1." No OS loading from diskette drive, go to "Flowchart 2.13-No OS Loading, - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 42
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. Y OS loading? N N Boot from CD? Y Check the Setup utility for correct booting order. N Boot from hard drive? Y Done Go to "Flowchart 2.11-No OS - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 43
Troubleshooting Flowchart 2.11-No OS Loading, Hard Drive, Part 2 Continued from "Flowchart 2.10-No OS Loading, Hard Drive, Part 1." Reseat hard drive. N CD or diskette in 1. Replace hard drive. 2. Replace system Y drive? Y board. Hard drive accessible? Done Remove diskette and reboot. N - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 44
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 files on hard drive? Y Install OS and reboot. Y Virus on hard drive? N Run SCANDISK and check for bad sectors. N Can bad sectors be fixed? Y Clean virus. - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 45
diskette for system files. Try different diskette. Y Nonsystem disk error? 1. Replace diskette drive. 2. Replace system board. N Y Reset the computer. Refer to OS loading? Done Section 1.2, "Resetting the N Computer," for instructions. Change boot priority using the Setup Utility. Go to - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 46
or DVD? Done N Y Reseat drive. Boots from CD or DVD? N N Booting from another device? Y Done Go to "Flowchart 2.17-Nonfunctioning Device." Y Reset the computer. Booting order correct? N Refer to Section 1.2, "Resetting the Computer," for instructions. Go to "Flowchart 2.17-Nonfunctioning - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 47
Troubleshooting Flowchart 2.15-No Audio, Part 1 No audio. Y Turn up audio internally or Audio? Done externally. N Y Computer in docking device (if applicable)? N Undock N Internal audio? Y Go to "Flowchart 2.16-No Audio, Part 2." Go to "Flowchart 2.16-No Audio, Part 2." Replace the - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 48
Troubleshooting Flowchart 2.16-No Audio, Part 2 Continued from "Flowchart 2.15-No Audio, Part 1." N Audio driver in OS configured? Y Reload audio drivers. N Correct drivers for application? Y Load drivers and set configuration in OS. Connect to external speaker. N Replace audio Y board - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 49
Troubleshooting Flowchart 2.17-Nonfunctioning Replace hard drive. Replace NIC. If integrated NIC, replace system board. Fix or replace broken item. Go to "Flowchart 2.9-No Operating System (OS) Loading." N Device boots properly? Y Done Replace diskette drive. Done Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 50
Troubleshooting Flowchart 2.18-Nonfunctioning Keyboard Keyboard not operating properly. Connect computer to good external keyboard. N External device works? Y Replace system board. Reseat internal keyboard connector (if applicable). N OK? Y Replace internal keyboard or cable. Y Done OK? - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 51
Troubleshooting Flowchart 2.19-Nonfunctioning Pointing Device Pointing device not operating properly. Connect computer to good external pointing device. N External device works? Y Replace system board. Reseat internal pointing device connector (if applicable). N OK? Y Replace internal - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 52
Troubleshooting Flowchart 2.20-No Network/Modem Connection No network or modem connection. N Network or modem jack active? Y Replace jack or have jack activated. Y Digital line? N Connect to nondigital line. N Y NIC/modem configured in OS? Reload drivers and reconfigure. OK? Done Y N - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 53
an illustrated parts breakdown and a reference for spare part numbers. 3.1 Serial Number Location When 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 Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 54
Illustrated Parts Catalog 3.2 Computer Major Components Computer Major Components 3-2 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 55
(not illustrated) Switch cover (includes LED board and LED board cable) Cable Kit Includes: LED board cable Pointing stick cable Fingerprint reader board cable Modem module cable Bluetooth module cable Spare Part Number 412767-001 412757-001 412754-001 412753-001 Maintenance and Service Guide 3-3 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 56
Illustrated Parts Catalog Computer Major Components 3-4 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 57
Major Components (Continued) Item 4 5 6 7 Description Spare Part Number Keyboards with pointing stick (includes pointing stick cable) For use in: -001 Top cover (includes TouchPad) 412788-001 Fingerprint reader board 412755-001 PC Card assembly 412794-001 Maintenance and Service Guide 3-5 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 58
Illustrated Parts Catalog Computer Major Components 3-6 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 59
8e 9 10 11 Description Spare Part Number Plastics Kit Includes: 412764-001 PC Card slot bezel Bluetooth module cover Hard drive cover Mini Card module cover Memory module cover Not illustrated: Rubber 444814-001 Modem module 398979-001 Speaker 412793-001 Maintenance and Service Guide 3-7 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 60
Illustrated Parts Catalog Computer Major Components 3-8 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 61
Combo Drive DVD±RW and CD-RW Combo Drive DVD-ROM drive 412778-001 412777-001 412776-001 Hard drives (all 4200 rpm; include hard drive bracket, rubber hard drive spacer, and hard drive cable) 80 GB 60 GB 40 GB 30 GB 438385-001 412774-001 412773-001 412772-001 Maintenance and Service Guide 3-9 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 62
Illustrated Parts Catalog Computer Major Components 3-10 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 63
Guatemala Hong Kong Panama India Indonesia Malaysia Mexico New Zealand Spare Part Number 407159-001 Paraguay Saudi Arabia Taiwan The United States Vietnam 407159-002 Uruguay Venezuela 407159-291 407160-001 Paraguay Saudi Arabia Taiwan The United States Vietnam Maintenance and Service Guide 3-11 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 64
Illustrated Parts Catalog Computer Major Components 3-12 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 65
Bahamas Barbados Brunei Canada Chile Dominican Republic Guam Guatemala Hong Kong Panama India Indonesia Malaysia Mexico New Zealand Spare Part Number 407160-002 Uruguay Venezuela 407160-291 407674-001 Paraguay Saudi Arabia Taiwan The United States Vietnam Maintenance and Service Guide 3-13 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 66
Illustrated Parts Catalog Computer Major Components 3-14 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 67
memory modules 2048 MB 1024 MB 512 MB 256 MB Spare Part Number 407674-002 Norway Oman Slovenia South Africa Spain Sri Lanka Sweden Switzerland Turkey The United Kingdom Uzbekistan 407674-003 Uruguay Venezuela 407674-291 412771-001 412770-001 412769-001 412768-001 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 68
Illustrated Parts Catalog 3.3 Display Assembly Components 3-16 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 69
2 3 4 5 Table 3-2 Display Assembly Components Spare Part Number Information Description Display bezel Display Inverter Display Hinge Kit Rubber Kit (includes all display bezel rubber and mylar screw covers) Spare Part Number 412759-001 412758-001 412762-001 412760-001 412763-001 412765-001 412761- - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 70
Illustrated Parts Catalog 3.4 Plastics Kit 3-18 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 71
Item 1 2 3 4 5 6 7 8 Table 3-3 Plastics Kit Spare Part Number Information Description Spare Part Number Plastics Kit Includes: 412764-001 PC Card slot bezel Hard drive spacer Hard drive cover (includes 2 captive screws, captured by C-clips) Bluetooth module cover (includes 1 captive - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 72
Parts Catalog 3.5 Cable Kit Table 3-4 Cable Kit Spare Part Number Information Item 1 2 3 4 5 Description Cable Kit Includes: Pointing stick cable LED board cable Fingerprint reader board cable Modem cable Bluetooth module cable Spare Part Number 412753-001 3-20 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 73
Combo Drive DVD±RW and CD-RW Combo Drive DVD-ROM drive 412778-001 412777-001 412776-001 Hard drives (all 4200 rpm; include hard drive bracket, rubber hard drive spacer, and hard drive cable) 80 GB 60 GB 40 GB 30 GB 438385-001 412774-001 412773-001 412772-001 Maintenance and Service Guide 3-21 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 74
-watt AC adapter 412786-001 External MultiBay II 366143-001 External MultiBay II power cable and stand 366144-001 HP Extended Life Battery 367456-001 Docking Station 412787-001 Docking Station II 455157-001 Label Kit 412783-001 MultiBay 8X DVD-ROM Drive 373314-001 MultiBay 24X DVD/CD - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 75
Table 3-6 Miscellaneous (Not Illustrated) Spare Part Information (Continued) Description Power cords: For use in in Korea For use in Israel For use in Switzerland For use in French Canada Spare Part Number 350055-001 350055-011 350055-021 350055-031 350055-061 350055-081 350055-201 350055-291 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 76
Power cord for use in French Canada USB 1.1 diskette drive External MultiBay II External MultiBay II power cable and stand HP Extended Life Battery 8X DVD-ROM drive for use in the External MultiBay II 24X DVD/CD-RW Combo Drive for use in the External MultiBay II 3-24 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 77
Catalog Table 3-7 Sequential Part Number Listing (Continued) Spare Part Number 398979-001 407159-001 407159-002 407159- Guam Guatemala Hong Kong Panama India Indonesia Malaysia Mexico New Zealand Paraguay Saudi Arabia Taiwan The United States Vietnam Maintenance and Service Guide 3-25 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 78
Catalog Table 3-7 Sequential Part Number Listing (Continued) Spare Part Number 407160-002 407160-291 407674-001 Bahamas Barbados Brunei Canada Chile Dominican Republic Guam Guatemala Hong Kong Panama India Indonesia Malaysia Mexico New Zealand Paraguay Saudi Arabia Taiwan The United States - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 79
Catalog Table 3-7 Sequential Part Number Listing (Continued) Spare Part Number 407674-002 407674-003 407674-291 412753-001 412754-001 412755-001 use in Japan Cable Kit Switch cover (includes LED board and LED board cable) Fingerprint reader board Maintenance and Service Guide 3-27 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 80
, rubber hard drive spacer, and hard drive cable) 4200-rpm, 40-GB hard drive (includes hard drive bracket, rubber hard drive spacer, and hard drive cable) 4200-rpm, 60-GB hard drive (includes hard drive bracket, rubber hard drive spacer, and hard drive cable) 3-28 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 81
412782-051 412782-061 412782-071 412782-081 412782-091 412782-101 412782-111 Description DVD-ROM drive DVD±RW and CD-RW Combo Drive DVD±RW and CD-RW Double-Layer Combo Drive 3-cell, 28.8-WHr battery Smart card Keyboard with pointing stick for use in the United States (includes pointing stick cable - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 82
pointing stick cable) Keyboard with pointing stick for use in Thailand (includes pointing stick cable) Keyboard with pointing stick for use in Japan (includes pointing stick cable) Keyboard with pointing stick for use in Europe (A4)(includes pointing stick cable) 3-30 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 83
stick cable) Keyboard with pointing stick for use in Iceland (includes pointing stick cable) Label Kit RTC battery Base enclosure for use in computer models with Intel Pentium M or Celeron M processors (includes front LED board and front LED board cable) 65-watt AC adapter Docking Station Top cover - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 84
Core Duo U2400 (1.06-GHz) processor (includes thermal grease, alcohol pad, and thermal pad) 6-cell, 55.0-WHr battery System board equipped with an Intel Core Duo U7600 (1.20-GHz) processor (includes thermal grease, alcohol pad, and thermal pad) Docking Station II 3-32 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 85
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 and replacement procedures: ■ Magnetic screwdriver ■ Phillips P0 and P1 screwdrivers ■ Torx5 screwdriver - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 86
during disassembly and reassembly can damage plastic parts. Use care when handling the plastic 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 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 87
touching the connector. ■ Handle drives on surfaces covered with at least one inch of shock-proof foam. ■ Avoid dropping drives from any height onto any surface. ■ After removing a hard drive, an optical drive, or a diskette drive, place it in a static-proof bag. ■ Avoid exposing a hard drive to - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 88
Removal and Replacement Preliminaries 4.4 Preventing Electrostatic Damage Many electronic components are sensitive to electrostatic discharge (ESD). Circuitry design function normally for a while, then degrade in the internal layers, reducing its life expectancy. 4-4 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 89
-sensitive parts in their containers until the parts arrive at static-free workstations. ■ Place items on a grounded surface before removing items 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 Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 90
components, parts, and assemblies by the case or PCM laminate. Handle these items only at static-free workstations. ■ Avoid contact with pins, leads, or circuitry. ■ Turn off power and input signals before inserting or removing connectors or test equipment. 4-6 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 91
Removal and Replacement Preliminaries 4.7 against the skin at all times. On grounded mats with banana-plug connectors, use alligator clips to connect a wrist strap. ■ When standing, use -dissipative tables or floor mats with hard ties to the ground. ■ Field service kits. ■ Static awareness labels. - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 92
Removal and Replacement Preliminaries Table 4-1 shows how humidity affects the electrostatic voltage levels generated by different activities. Table 4-1 Typical 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 Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 93
procedures. There are as many as 61 screws, in 8 different sizes, that must be removed, replaced, or loosened when servicing the computer. Make special note of each screw size and location during removal and replacement. Refer to Appendix A, "Screw Listing," for detailed information on screw sizes - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 94
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 Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 95
Preparing the Computer for Disassembly Battery 0 Hard Drive 2 loosened to remove the hard drive cover 1 loosened to disconnect the hard drive connector 2 loosened to remove the hard drive bracket Computer Feet 0 External Memory Module 1 loosened to remove the memory module compartment cover - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 96
Modem Module 5.19 Speaker 5.20 Fan/Heat Sink Assembly # of Screws Removed 1 loosened to remove the Bluetooth module cover 1 removed to remove the Bluetooth module 2 to remove the optical drive 2 to remove the optical drive bracket 0 5 5 6 0 4 4 11 2 5 0 2 1 1 5-4 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 97
Removal and Replacement Procedures 5.3 Preparing the Computer for Disassembly Before you begin any removal or installation procedures: external devices connected to the computer. 3. Disconnect the power cord. Battery Spare Part Number Information Batteries 9 cell, 84.0-WHr 6 cell, 55.0-WHr 3 cell, - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 98
upside down with the rear panel toward you. b. Slide and hold the battery release latches 1 toward the outside edges of the computer. c. Slide the battery 2 straight back and remove it. Removing the Battery Reverse the above procedure to install the battery. 5-6 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 99
the hard drive cover to the computer. 3. Lift the front edge of the hard drive cover 2 and swing it up and to the back. 4. Remove the hard drive cover. ✎ The hard drive cover is included in the Plastics Kit, spare part number 412764-001. Removing the Hard Drive Cover Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 100
Removal and Replacement Procedures 5. Loosen the Phillips PM2.0×5.0 hard drive retention screw 1. 6. Disconnect the hard drive connector 2 from the system board. Removing the Hard Drive 5-8 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 101
Remove the two Phillips PM2.0×5.0 hard drive bracket screws 1 that secure the hard drive bracket to the computer. 8. Lift the bracket 2 straight up and remove it. Removing the Hard Drive Bracket 9. Remove the hard drive from the hard drive bay. Removing the Hard Drive Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 102
Removal and Replacement Procedures 10. If it is necessary to replace the hard drive spacer, remove the spacer from the hard drive. Removing the Hard Drive Spacer Reverse the above procedure to reassemble and install the hard drive. 5-10 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 103
Removal and Replacement Procedures 5.5 Computer Feet The computer feet are adhesive-backed rubber pads. The feet are included in the Plastics Kit, spare part number 412764-001. Replacing the Computer Feet Maintenance and Service Guide 5-11 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 104
of the cover 2 and swing it up and toward the back of the computer. 4. Remove the memory module compartment cover. ✎ The memory module compartment cover is included in the Plastics Kit, spare part number 412764-001. Removing the Memory Module Compartment Cover 5-12 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 105
2 away from the socket at an angle. 7. Remove the memory module. ✎ Memory modules are designed 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 5-13 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 106
Removal and Replacement Procedures 5.7 Mini Card WLAN Module Mini Card WLAN Module Spare Part Number Information 802.11b/g HS WLAN module for use Brunei Canada Chile Dominican Republic Guam Guatemala Hong Kong Panama India Indonesia Malaysia Mexico New Zealand 407159-001 Paraguay Saudi Arabia - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 107
Removal and Replacement Procedures Mini Card WLAN Module Spare Part Number Information (Continued) 802.11b/g LJ WLAN module for Guam Guatemala Hong Kong Panama India Indonesia Malaysia Mexico New Zealand Paraguay Saudi Arabia Taiwan The United States Vietnam Maintenance and Service Guide 5-15 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 108
Removal and Replacement Procedures Mini Card WLAN Module Spare Part Number Information (Continued) 802.11a/b/g GL WLAN module for use in the MOW2 countries listed below: Switzerland Turkey The United Kingdom Uzbekistan 407674-003 Uruguay Venezuela 407674-291 5-16 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 109
cover 2 and swing it up and toward the back of the computer. 4. Remove the Mini Card module compartment cover. ✎ The Mini Card module compartment cover is included in the Plastics Kit, spare part number 412764-001. Removing the Mini Card Module Compartment Cover Maintenance and Service Guide 5-17 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 110
antenna cables 1 from the Mini Card WLAN module. 6. Remove the two Phillips PM2.0×3.0 screws 2 that secure the Mini Card WLAN module to the computer. (The edge of the module opposite the socket rises away from the computer.) Removing a Mini Card WLAN Module 5-18 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 111
the module 2 away from the socket at an angle. ✎ Mini Card modules are designed with a notch 3 to prevent incorrect installation into the Mini Card socket. Removing a Mini Card WLAN Module Reverse the above procedure to install a Mini Card WLAN module. Maintenance and Service Guide 5-19 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 112
Removal and Replacement Procedures 5.8 RTC Battery RTC Battery Module Spare Part Number Information RTC battery 412784-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the Mini Card WLAN module (Section 5.7). 3. Disconnect the RTC battery cable 1 from the system board. 4. - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 113
Removal and Replacement Procedures 5.9 Bluetooth Module Bluetooth Module Spare Part Number Information Bluetooth module (includes Bluetooth module cable) 412766-002 1. Prepare the computer for disassembly (refer to Section 5.3). 2. Loosen the Phillips PM2.0×5.0 screw 1 that secures the Bluetooth - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 114
Bluetooth module cable from the Bluetooth module 1 and the system board 2. ✎ The Bluetooth module cable is included with the Bluetooth module spare part kit and is also available in the Cable Kit, spare part number 412753-001. Removing the Bluetooth Module Cover 5-22 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 115
module cover. 7. Remove the Bluetooth module 2 from the Bluetooth module cover. ✎ The Bluetooth module cover is available in the Plastics Kit, spare part number 412753-001. Removing the Bluetooth Module Reverse the above procedure to install a Bluetooth module. Maintenance and Service Guide 5-23 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 116
Removal and Replacement Procedures 5.10 Optical Drive Optical Drive Spare Part Number Information DVD±RW and CD-RW Double-Layer Combo Drive DVD±RW and CD-RW Combo Drive DVD-ROM drive 412778-001 412777-001 412776-001 1. Prepare the computer for disassembly (Section 5.3). 2. Position the computer - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 117
. 4. Insert a thin tool, such as a paper clip 3, into the media tray release hole. (The optical drive media tray releases from the optical drive.) 5. Use the media tray frame to slide the optical drive 4 out of the optical drive bay. Removing the Optical Drive Maintenance and Service Guide 5-25 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 118
the optical drive bracket, remove the two Phillips PM2.0×3.0 screws 1 that secure the bracket to the optical drive. 7. Remove the optical drive bracket 2. Removing the Optical Drive Bracket Reverse the above procedure to reassemble and install an optical drive. 5-26 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 119
Removal and Replacement Procedures 5.11 Switch Cover Switch Cover Spare Part Number Information Switch cover (includes LED board and LED board cable) 412754-001 1. Prepare the computer for disassembly (Section 5.3). 2. Use a thin flat-bladed tool to release the four tabs on the switch cover from - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 120
Removal and Replacement Procedures 3. Turn the computer display-side up with the front toward you. 4. Open the computer as far as it will open. 5. Lift the left and right hinge cover sections of the switch cover to disengage the switch cover from the computer. Releasing the Switch Cover, Part 2 5- - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 121
Release the zero insertion force (ZIF) connector 1 to which the LED board cable is connected and disconnect the LED board cable 2 from the LED board. Removing the Switch Cover 7. Remove the switch cover. Reverse the above procedure to install the switch cover. Maintenance and Service Guide 5-29 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 122
Removal and Replacement Procedures 5.12 Keyboard Keyboard Spare Part Number Information Keyboards with pointing stick (includes pointing stick cable) 412782-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the switch cover (Section 5.11). 5-30 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 123
Removal and Replacement Procedures 3. Remove the five Torx8 T8M2.5×7.0 screws that secure the keyboard to the computer. Removing the Keyboard Screws Maintenance and Service Guide 5-31 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 124
Removal and Replacement Procedures 4. Turn the computer display-side up with the front toward you. 5. Open the computer as far as possible. 6. Lift the rear edge of the keyboard 1 and slide it back until the keyboard cable 2 and pointing stick cable 3 are accessible. Releasing the Keyboard 5-32 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 125
and disconnect the keyboard cable 2. 8. Release the ZIF connector 3 to which the pointing stick cable is attached and disconnect the pointing stick cable 4. 9. Remove the keyboard. Disconnecting the Keyboard and Pointing Stick Cables 10. Remove the keyboard. Maintenance and Service Guide 5-33 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 126
. 12. Remove the LED board cable 3. ✎ The LED board cable is included with the switch cover spare part kit and is also available in the Cable Kit, spare part number 412753-001. Removing the LED Board Cable Reverse the above procedure to install the keyboard. 5-34 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 127
(Section 5.11). 4. Remove the keyboard (Section 5.12). 5. Close the computer and turn it upside down with the rear panel toward you. 6. Remove the two Torx8 T8M2.5×7.0 screws that secure the display assembly to the computer. Removing the Display Assembly Screws Maintenance and Service Guide 5-35 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 128
ground cable to the computer. 10. Disconnect the display cable 2 from the system board. 11. Remove the wireless antenna cables 3 from the Mini Card compartment and the top cover clips. Disconnecting the Display Cable and Removing the Wireless Antenna Cables 5-36 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 129
Removal and Replacement Procedures Ä CAUTION: Support the display assembly when removing the following screws. Failure to support the display assembly can result in damage to the display assembly and other computer components. 12. Disconnect the display lid switch module cable 1 from the - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 130
Removal and Replacement Procedures Display Assembly Components Spare Part Number Information Description Display bezel Display Kit Display Rubber Kit (includes all display bezel rubber screw covers) Spare Part Number 412759-001 412758-001 412762-001 412760-001 412763-001 412765-001 412761- - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 131
. ✎ The display bezel rubber screw covers are available in the Display Rubber Kit, spare part number 417396-001. All screws used in the display assembly are available in the Display Screw Kit, spare part number 412761-001. Removing the Display Bezel Screws Maintenance and Service Guide 5-39 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 132
Part Number Information 412759-001 16. Flex the insides edges of the left and right sides 1 and the top and bottom sides 2 of the display bezel until the bezel disengages from the display enclosure. 17. Remove the display bezel 3. Removing the Display Bezel 5-40 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 133
Removal and Replacement Procedures Display Assembly Subcomponents Spare Part Number Information Display Inverter 412758-001 18. Disconnect the backlight 1 and display cables 2 from the inverter. 19. Remove the display inverter 3. Removing the Display Inverter Maintenance and Service Guide 5- - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 134
Part Number Information 12.1-inch WXGA, TFT display panel 412760-001 20. Remove the four Torx5 T5M2.0×5.0 screws 1 that secure the display panel to the display enclosure. 21. Remove the display panel 2 from the display enclosure. Removing the Display Panel 5-42 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 135
necessary to replace the display hinges, remove the Phillips PM2.0×3.0 screws 1 that secure each hinge to the display panel. 23. Remove the display hinges 2. Removing the Display Hinges Reverse the above procedure to reassemble and install the display assembly Maintenance and Service Guide 5-43 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 136
5.3), and then remove the following components: a. Hard drive (Section 5.4) b. Optical drive (Section 5.10) c. Switch cover (Section 5.11) d. Keyboard (Section 5.12) e. Display assembly (Section 5.13) 2. Turn the computer upside down with the front toward you. 5-44 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 137
enclosure 3 Three Torx8 T8M2.5×7.0 screw that secures the top cover to the base enclosure ✎ The rubber screw covers are available in the Plastics Kit, spare part number 412764-001. Removing the Top Cover Screws, Part 1 Maintenance and Service Guide 5-45 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 138
screw 1 and the two Torx8 T8M2.5×7.0 screws 2 that secure the top cover to the computer. Removing the Top Cover Screws, Part 2 6. Lift the back edge of the top cover and swing it up and forward until it rests in front of the computer. Releasing the Top Cover 5-46 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 139
Removal and Replacement Procedures 7. Release the ZIF connector 1 to which the fingerprint reader board cable is attached and disconnect the fingerprint reader board cable 2 from the system board. Disconnecting the Fingerprint Reader Board Cable 8. Remove the top cover. Reverse the above procedure - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 140
Removal and Replacement Procedures 5.15 Fingerprint Reader Board Fingerprint Reader Board Spare Part Number Information Fingerprint reader board 412755-001 1. Prepare the computer for disassembly (Section 5.3), and then remove the following components: a. Hard drive (Section 5.4) b. Optical - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 141
Removal and Replacement Procedures 3. Release the ZIF connector 1 to which the fingerprint reader board cable is connected and disconnect the fingerprint reader board cable 2. 4. Remove the two Phillips PM2.0×2.0 screws 3 that secure the fingerprint reader board cable to the top cover. 5. Remove the - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 142
the replacement system board: ■ Memory modules (Section 5.6) ■ Mini Card WLAN module (Section 5.7) ■ RTC battery (Section 5.8) ■ PC Card assembly(Section 5.17) ■ Modem module (Section 5.18) 1. Prepare the computer for disassembly (Section 5.3), and then remove the following components: a. Hard drive - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 143
Removal and Replacement Procedures 2. Turn the computer upside down with the rear panel toward you. 3. Disconnect the fan cable from the system board. Disconnecting the Fan Cable Maintenance and Service Guide 5-51 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 144
the PC Card eject button 1 once to release the button, then press the button again to eject the PC Card slot bezel 2 from the PC Card slot. ✎ The PC Card slot bezel is available in the Plastics Kit, spare part number 412753-001. Ejecting the PC Card Slot Bezel 5-52 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 145
Removal and Replacement Procedures 6. Disconnect the LED board cable 1 and the speaker cable 2 from the system board. Disconnecting the LED Board Cable and the Speaker Cable Maintenance and Service Guide 5-53 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 146
Removal and Replacement Procedures 7. Remove the three Torx8 T8M2.5×7.0 screws 1 and the two Torx8 T8M2.0×10.0 screws 2 that secure the system board to the base enclosure. Removing the System Board Screws 5-54 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 147
drive connector 1 to lift the left side of the system board 2 until it rests at an angle. 9. Slide the system board 3 to the left at an angle and remove it from the base enclosure. Removing the System Board Reverse the above procedures to install the system board. Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 148
Replacement Procedures 5.17 PC Card Assembly PC Card Assembly Spare Part Number Information PC Card assembly 412794-001 1. Prepare the computer for disassembly (Section 5.3), and then remove the following components: a. Hard drive (Section 5.4) b. Bluetooth board (Section 5.9) c. Optical drive - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 149
and Replacement Procedures 2. Disengage the hooks 1 on the PC Card assembly from the slots on the PC Card connector 2 and remove the PC Card assembly 3 from the system board. Removing the PC Card Assembly Reverse the above procedure to install the PC Card assembly. Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 150
the computer for disassembly (Section 5.3), and then remove the following components: a. Hard drive (Section 5.4) b. Bluetooth board (Section 5.9) c. Optical drive (Section 5.10) d. Switch cover (Section 5.11) e. Keyboard (Section 5.12) f. Display assembly (Section 5.13) g. Fan/heat sink assembly - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 151
kit and is also available in the Cable Kit, spare part number 412753-001. 6. If it is necessary to replace the modem module cable, disconnect the cable 4 from the system board. Removing the Modem Module Reverse the above procedure to install the modem module. Maintenance and Service Guide 5-59 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 152
the computer for disassembly (Section 5.3), and then remove the following components: a. Hard drive (Section 5.4) b. Bluetooth board (Section 5.9) c. Optical drive (Section 5.10) d. Switch cover (Section 5.11) e. Keyboard (Section 5.12) f. Display assembly (Section 5.13) g. Fan/heat sink assembly - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 153
Removal and Replacement Procedures 2. Remove the Torx8 T8M2.5×4.0 screw 1 that secures the speaker to the base enclosure. 3. Remove the speaker 2 from the base enclosure. Removing the Speaker Reverse the above procedure to install the speaker. Maintenance and Service Guide 5-61 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 154
the computer for disassembly (Section 5.3), and then remove the following components: a. Hard drive (Section 5.4) b. Bluetooth board (Section 5.9) c. Optical drive (Section 5.10) d. Switch cover (Section 5.11) e. Keyboard (Section 5.12) f. Display assembly (Section 5.13) g. Fan/heat sink assembly - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 155
2. Remove the Torx8 T8M2.5×7.0 screw 1 that secures the fan/heat sink assembly to the base enclosure. 3. Remove the fan/heat sink assembly 2 from the base enclosure. Removing the Fan/Heat Sink Assembly Reverse the above procedure to install the fan/heat sink assembly. Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 156
each time the fan/heat sink assembly is removed. Thermal paste and thermal pads are included with all fan/heat sink assembly and processor spare part kits. Thermal Paste and Thermal Pad Locations Reverse the above procedure to install the fan/heat sink assembly. 5-64 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 157
1.84 kg 1.68 kg 1.52 kg 1.68 kg 1.52 kg 1.29 kg 4.06 lbs 3.70 lbs 3.35 lbs 3.70 lbs 3.35 lbs 2.86 lbs 18.5 V dc @ 3.5 A - 65 W 3.5 A Maintenance and Service Guide 6-1 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 158
, 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 Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 159
6.7 in 10.3 in 12.1 in 0.279 × 0.279 mm 1280 × 800 RGB vertical stripe Edge lit 80 × 25 4.0 W +/-40° horizontal, +120/-40° vertical typical Maintenance and Service Guide 6-3 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 160
to 55°C (41°F to 131°F) ✎ Certain restrictions and exclusions apply. Consult Customer Care 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 Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 161
DVD-18), CD-ROM (Mode 1 and 2) CD Digital Audio CD-XA ready (Mode 2, Form 1 and 2) CD-I ready (Mode 2, Form 1 and 2) CD-R, CD-RW Photo CD (single and multisession) CD-Bridge Write: 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) Maintenance and Service Guide 6-5 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 162
) 1,200 KB/s (150 KB/s at 1X CD rate) 3,600 KB/s (150 KB/s at 1X CD rate) 10,800 KB/s (1,352 KB/s at 1X 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 Startup time < 15 seconds Stop time < 6 seconds 6-6 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 163
DMA mode 2 Startup time Stop time Table 6-5 DVD-ROM Drive Read: DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18) CD-ROM (Mode 1 and 2) CD Digital Audio CD-XA ready (Mode 2, Form 1 and 2) CD-I ready (Mode 2, Form 1 and 2) CD-R CD-RW Photo CD (single and multisession) CD-Bridge 1.5 cm (0.59 in) 12 cm (4.72 in - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 164
DMA System Function DMA0 Not applicable DMA1* Not applicable DMA2* Not applicable DMA3 Not applicable DMA4 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. 6-8 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 165
System timer Standard 101-/102-Key or Microsoft Natural Keyboard Cascaded Intel 82801DB/DBM USB2 Enhanced Host Controller-24CD COM1 Conexant AC-Link Audio Intel 82801DB/DBM SMBus Controller-24C3 Data Fax Modem with SmartCP Diskette drive Parallel port System CMOS/real-time clock Microsoft ACPI - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 166
data processor IRQ14 Primary IDE channel IRQ15 Secondary IDE channel *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none. ✎ PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 167
chipset configuration registers Unused 87334 "Super I/O" configuration for CPU Counter/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 6-11 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 168
280 - 2AB 2A0 - 2A7 2A8 - 2E7 2E8 - 2EF System Function (shipping configuration) Unused DMA controller no. 2 Unused Coprocessor busy clear/reset Unused Unused Secondary fixed disk controller Unused Primary fixed disk controller Unused JoyStick (decoded in ESS1688) Unused Entertainment audio Unused - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 169
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-1) PCI configuration data register (PCIDIVO-1) Maintenance and Service Guide 6-13 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 170
00FFFFFF 01000000-047FFFFF 04800000-07FFFFFF 08000000-080FFFFF 08200000-FFFEFFFF FFFF0000-FFFFFFFF System Function Base memory Video memory Video BIOS Unused System BIOS Extended memory Super extended memory Unused Video memory (direct access) Unused System BIOS 6-14 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 171
provides specification and reference information for the screws used in the computer. All screws listed in this appendix are available in the Screw Kit, spare part number 417395-001, and the Display Screw Kit, spare part number 412761-001. Maintenance and Service Guide A-1 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 172
screws that secure the hard drive cover to the computer (screws are captured on the cover by C-clips; documented in Section 5.4) 2 One screw that secures the memory module compartment cover to clip; documented in Section 5.9) Phillips PM2.0×5.0 Screw Locations A-2 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 173
system board (screw is captured on the connector by a C-clip; documented in Section 5.4) 2 Two screws that secure the hard drive bracket to the computer (screws are captured on the bracket by C-clips; documented in Section 5.4) Phillips PM2.0×5.0 Screw Locations Maintenance and Service Guide A-3 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 174
Width Silver 11 3.0 mm 2.0 mm 4.0 mm Where used: 2 screws that secure the Mini Card WLAN module to the computer (documented in Section 5.7) Phillips PM2.0×3.0 Screw Locations A-4 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 175
Thread Width Silver 11 3.0 mm 2.0 mm 4.0 mm Where used: One screw that secures the Bluetooth module to the computer (documented in Section 5.9) Phillips PM2.0×3.0 Screw Location Maintenance and Service Guide A-5 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 176
A-2 Phillips PM2.0×3.0 Screw (Continued) Head mm Color Qty. Length Thread Width Silver 11 3.0 mm 2.0 mm 4.0 mm Where used: 2 screws that secure the optical drive bracket to the optical drive (documented in Section 5.10) Phillips PM2.0×3.0 Screw Locations A-6 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 177
Width Silver 11 3.0 mm 2.0 mm 4.0 mm Where used: 4 screws that secure the display hinges to the display panel (documented in Section 5.13) Phillips PM2.0×3.0 Screw Locations Maintenance and Service Guide A-7 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 178
Silver 11 3.0 mm 2.0 mm 4.0 mm Where used: 2 screws that secure the modem module bracket to the system board (documented in Section 5.18) Phillips PM2.0×3.0 Screw Locations A-8 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 179
drive to the computer (documented in Section 5.10) 2 Five screws that secure the keyboard to the system board (documented in Section 5.12) 3 Two screws that secure the display assembly to the computer (documented in Section 5.13) Torx8 T8M2.5×7.0 Screw Locations Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 180
screw to the computer (documented in Section 5.13) 2 Two screws that secure the display assembly to the computer (documented in Section 5.13) Torx8 T8M2.5×7.0 Screw Locations A-10 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 181
Screw Listing Table A-3 Torx8 T8M2.5×7.0 Screw (Continued) mm Color Qty. Length Thread Black 19 7.0 mm 2.5 mm Where used: 3 screws that secure the top cover to the computer (documented in Section 5.14) Head Width 5.0 mm Torx8 T8M2.5×7.0 Screw Locations Maintenance and Service Guide A-11 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 182
Screw Listing Table A-3 Torx8 T8M2.5×7.0 Screw (Continued) mm Color Qty. Length Thread Black 19 7.0 mm 2.5 mm Where used: 2 screws that secure the top cover to the computer (documented in Section 5.14) Head Width 5.0 mm Torx8 T8M2.5×7.0 Screw Locations A-12 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 183
Thread Width Black 19 7.0 mm 2.5 mm 5.0 mm Where used: 3 screws that secure the system board to the computer (documented in Section 5.16) Torx8 T8M2.5×7.0 Screw Locations Maintenance and Service Guide A-13 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 184
Screw Listing Table A-4 Torx5 T5M2.0×5.0 Screw Head mm Color Qty. Length Thread Width Black 10 5.0 mm 2.0 mm 5.0 Where used: 6 screws that secure the display bezel to the display assembly (documented in Section 5.13) Torx5 T5M2.0×5.0 Screw Locations A-14 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 185
Thread Width Black 10 5.0 mm 2.0 mm 5.0 Where used: 4 screws that secure the display panel to the display enclosure (documented in Section 5.13) Torx5 T5M2.0×5.0 Screw Locations Maintenance and Service Guide A-15 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 186
Black 6 4.0 mm 2.5 mm 5.0 Where used: 1 Five screws that secure the top cover to the computer (documented in Section 5.14) 2 One screw that secures the optical drive to the computer (documented in Section 5.10) Torx8 T8M2.5×4.0 Screw Locations A-16 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 187
Screw Listing Table A-6 Phillips PM2.0×4.0 Screw Head mm Color Qty. Length Thread Width Silver 1 4.0 mm 2.0 mm 4.0 mm Where used: One screw that secures the top cover to the computer (documented in Section 5.14) Phillips PM2.0×4.0 Screw Location Maintenance and Service Guide A-17 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 188
Listing Table A-7 Phillips PM2.0×2.0 Screw Head mm Color Qty. Length Thread Width Silver 2 2.0 mm 2.0 mm 6.0 mm Where used: 2 screws that secure the fingerprint reader board to the top cover (documented in Section 5.15) Phillips PM2.0×2.0 Screw Locations A-18 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 189
Screw Listing Table A-8 Torx8 T8M2.0×10.0 Screw Head mm Color Qty. Length Thread Width Black 2 10.0 mm 2.0 mm 5.0 mm Where used: 2 screws that secure the system board to the computer (documented in Section 5.16) Torx8 T8M2.0×10.0 Screw Locations Maintenance and Service Guide A-19 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 190
up the system and to recover optimal system functionality. ✎ HP installed drivers, utilities, and applications can be copied to a CD or to a DVD using HP Backup and Recovery Manager. ✎ Formatted DVD±RW discs and and periodically create a backup copy of the folder. Maintenance and Service Guide B-1 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 191
system. ■ Back up modifications since your last backup, using HP system restore points. ■ Schedule backups. Backing Up Specific Files or Folders You can back up specific files or folders to the hard drive, to an optional external hard drive, or to discs. ✎ This process will take several minutes - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 192
Recovery > HP Backup and Recovery Manager. 2. Click Next. 3. Click Back up to protect system settings and important data files, and then click Next. 4. Click Back up entire hard drive, and then click Next. The "Back up entire hard disk" page opens. 5. Click Next. Maintenance and Service Guide B-3 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 193
password check box. 8. Click Next. 9. Follow the on-screen instructions. Backing Up Modifications Made to the System When you back up modifications since your last backup, you are creating system recovery points. This allows you to save a snapshot of your hard drive that time. HP recommends that you - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 194
HP Backup & Recovery > HP dock to an optional docking station (select models only), by clicking one of the available options. Click Next to further define the settings. A summary of your system recovery point settings is displayed. 4. Follow the on-screen instructions. Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 195
image can be stored on another hard drive or on a network drive. ■ Perform a recovery. You can perform a full system recovery or recover important files from the recovery partition on the hard drive, from another drive, or from recovery discs that you create. B-6 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 196
recovery discs: ■ Obtain high-quality CD-R, DVD-R, or DVD+R media, purchased separately. ✎ Formatted DVD±RW discs and DVD±RW double-layer discs are not compatible with HP Backup and Recovery Manager. ■ Number each disc before inserting it into the optical drive of the computer. ■ If necessary - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 197
Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 2. Click Next. 3. Click Create factory software recovery CDs or DVDs to recover the recovery disc into the optical drive and restart the computer. 3. Follow the on-screen instructions. B-8 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 198
initiate a recovery from the hard drive recovery partition: 1. Back up all personal files. 2. Restart the computer, and then press f11 before the Windows operating system loads. 3. Click a recovery option, and then click Next. 4. Follow the on-screen instructions. Maintenance and Service Guide B-9 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 199
LCD) panel and the backlight. Careful handling should be exercised when removing these components. ✎ Materials Disposal This HP product contains mercury in the backlight in the display assembly that might Industries Alliance (EIA) at http://www.eiae.org. Maintenance and Service Guide C-1 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 200
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. C-2 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 201
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 C-3 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 202
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 C-4 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 203
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 C-5 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 204
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 C-6 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 205
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 C-7 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 206
Display Component Recycling 9. Use a sharp-edged tool to cut the tape 1 that secures the sides of the display panel to the display panel frame. 10. Remove the display panel frame 2 from the display panel. Removing the Display Frame C-8 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 207
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 C-9 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 208
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 C-10 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 209
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 C-11 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 210
Å WARNING: The backlight contains mercury. Caution should be exercised when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. 18. Slide the backlight out of the backlight frame. Removing the Backlight C-12 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 211
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 C-13 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 212
Display Component Recycling 23. Remove the LCD panel. Removing the LCD Panel 24. Recycle the LCD panel and backlight. C-14 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 213
D Connector Pin Assignments Table D-1 Audio-Out (Headphone) Pin Signal 1 Audio out, left channel 2 Audio out, right channel Pin Signal 3 Ground Maintenance and Service Guide D-1 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 214
Connector Pin Assignments Table D-2 Audio-In (Microphone) Pin Signal 1 Audio signal in 2 Audio signal in Pin Signal 3 Ground D-2 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 215
Connector Pin Assignments Table D-3 Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - Pin Signal 3 Data + 4 Ground Maintenance and Service Guide D-3 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 216
Connector Pin Assignments Table D-4 External Monitor Pin Signal 1 Red analog 2 Green analog 3 Blue analog 4 Not connected 5 Ground 6 Ground analog 7 Ground 11 Monitor detect 12 DDC 2B data 13 Horizontal sync 14 Vertical sync 15 DDC 2B clock D-4 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 217
Connector Pin Assignments Table D-5 RJ-11 (Modem) Pin Signal 1 Unused 2 Tip 3 Ring Pin Signal 4 Unused 5 Unused 6 Unused Maintenance and Service Guide D-5 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 218
Connector Pin Assignments Table D-6 RJ-45 (Network) Pin Signal 1 Transmit + 2 Transmit - 3 Receive + 4 Unused Pin Signal 5 Unused 6 Receive - 7 Unused 8 Unused D-6 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 219
The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 or 220 to 240 volts AC. The power cord set included with the computer meets the requirements for use in the country where the equipment is purchased. Power cord sets for - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 220
voltage rating of 125 or 250 V AC, as required by each country's power system. ■ The appliance coupler must meet the mechanical configuration of an EN 60 320/IEC 320 Standard Sheet C13 connector for mating with the appliance inlet on the back of the computer. E-2 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 221
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 E-3 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 222
coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country where it will be used. E-4 Maintenance and Service Guide - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 223
1394 port 1-8 A AC adapter, spare part numbers 3-22, 3-31 arrow keys 1-13 audio troubleshooting 2-21 audio-in jack location 1-8 pin assignments D-2 audio-out jack location 1-8 pin assignments D-1 B base enclosure, spare part number 3-9, 3-31, 3-32 battery removal 5-6 spare part numbers 3-9, 3-29 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 224
D-6 RJ-11 D-5 RJ-45 D-6 Universal Serial Bus (USB) D-3 connectors, service considerations 4-2 D design overview 1-20 disassembly sequence chart 5-3 diskette drive OS loading problems 2-19 precautions 4-3 display assembly removal 5-35 spare part number 3-3, 3-28, 5-35 display bezel illustrated 3-16 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 225
spare part number 3-3, 3-28 docking connector 1-8 Docking Station II spare part numbers 3-32 Docking Station, spare part number 3-31 drive light 1-7 drives, preventing damage 4-3 DVD/CD-RW Combo Drive, spare part number 3-24 DVD±RW and CD-RW Combo Drive precautions 4-3 removal 5-24 spare part number - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 226
3-19 removal 5-7 hard drive spacer illustrated 3-19 removal 5-10 headphone jack location 1-8 pin assignments D-1 HP Extended Life Battery, spare part number 3-22, 3-24 I I/O address specifications 6-11 Info Center button 1-15 interrupt specifications 6-9 K keyboard removal 5-30 spare part numbers - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 227
20 modem jack location 1-9 pin assignments D-5 modem module removal 5-58 spare part number 3-7, 3-25, 5-58 troubleshooting 2-26 monitor port location 1-8 pin assignments D-4 MultiBay DVD/CD-RW Combo Drive, spare part number 3-22 MultiBay DVD-ROM drive, spare part number 3-22 N network jack location - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 228
features 1-5 power, troubleshooting 2-8 Presentation button 1-15 R rear components 1-9 removal/replacement preliminaries 4-1 procedures 5-1 right-side components 1-8 RJ-11 jack location 1-9 pin assignments D-5 RJ-45 jack location 1-11 pin assignments D-6 RTC battery spare part number 3-9, 3-31 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 229
Bus (USB) diskette drive, spare part number 3-22, 3-24 Universal Serial Bus (USB) port location 1-8, 1-9 pin assignments D-3 unknown password 1-4 V vents 1-18 video troubleshooting 2-12 volume buttons 1-15 W Windows applications key 1-13 Windows logo key 1-13 Maintenance and Service Guide Index-7 - HP Nc2400 | HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 230
Index wireless antenna disconnecting 5-18 illustrated 3-16 wireless button 1-15 wireless light 1-6, 1-15 workstation precautions 4-6 WWAN antenna -iii Index-8 Maintenance and Service Guide
Maintenance and Service
Guide
HP Compaq nc2400 Notebook PC
Document Part Number: 407949-002
August 2007
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.