HP Tc4400 HP Compaq nc4400 Notebook PC - Maintenance and Service Guide
HP Tc4400 - Compaq Tablet PC Manual
UPC - 883585078639
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- HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 1
HP Compaq nc4400 Notebook PC Document Part Number: 383207-002 May 2006 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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 2
Hewlett-Packard Development Company, L.P. Microsoft and Windows are services. Nothing 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 Compaq nc4400 Notebook PC - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 3
Features 1-2 1.2 Resetting the Computer 1-4 1.3 Power Management 1-5 1.4 External Components 1-6 1.5 Design Overview 1-20 2 Troubleshooting 2.1 Computer Menu 2-4 Selecting from the System Configuration Menu. . . . 2-5 2.2 Troubleshooting Flowcharts 2-6 Maintenance and Service Guide iii - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 4
(Not Illustrated 3-15 3.7 Sequential Part Number Listing 3-17 4 Removal and Replacement Preliminaries 4.1 Tools Required 4-1 4.2 Service Considerations 4-2 Plastic Parts 4-2 Cables and Connectors 4-2 4.3 Preventing Damage to Removable Drives 4-3 4.4 Preventing Electrostatic Damage - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 5
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 Bluetooth Module 5-12 5.7 External Memory Module 5-14 5.8 Keyboard Cover 5-17 5.9 Keyboard 5-20 5.10 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 6
Contents 6 Specifications A Screw Listing B Software Backup and Recovery C Display Component Recycling D Connector Pin Assignments E Power Cord Set Requirements Index vi Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 7
1 Product Description The HP Compaq nc4400 Notebook PC offers advanced modularity, Intel® Core™ Duo and Celeron® M processors, and extensive multimedia support. HP Compaq nc4400 Notebook PC Maintenance and Service Guide 1-1 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 8
(NIC) with RJ-45 jack ■ Integrated high-speed 56K modem with RJ-11 jack ■ Integrated wireless support for Mini Card 802.11b/g and 802.11a/b/g WLAN device ■ Support for one Type I or Type II PC Card slot, with support for both 32-bit (CardBus) and 16-bit PC Cards 1-2 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 9
❏ Audio-in (microphone) ❏ Universal Serial Bus (USB) v. 2.0 (3 ports, 1 powered) ❏ Smart adapter power ❏ External monitor ❏ RJ-45 (network) ❏ RJ-11 (modem) ❏ S-Video-out ❏ PC Card ❏ Digital Media Slot ❏ Primary battery pack ❏ Accessory battery pack ❏ Docking connector Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 10
battery). 3. Wait approximately 5 minutes. 4. Replace the RTC battery and reassemble the computer. 5. Connect AC power to the computer. Do not reinsert any battery packs at this time. 6. Turn on the computer. All passwords and all CMOS settings have been cleared. 1-4 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 11
following power management features: ■ Standby ■ Hibernation ■ Setting customization by the user ■ Hotkeys for setting the level of performance ■ Battery calibration ■ Lid switch resume ■ Power button ■ Advanced Configuration and Power Management (ACPM) compliance Maintenance and Service Guide 1-5 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 12
network (WLAN) device and/or Bluetooth® device, is turned on. ■ On: The computer is on. ■ Blinking green: The computer is in standby. ■ Blinking rapidly: Wrong AC adapter is connected. Connect an HP Smart AC Adapter. ■ Off: The computer is off or in hibernation. 1-6 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 13
parked the hard drive. Infrared port Provides wireless communication between the computer and an optional IrDA-compliant device. Display release button Opens the computer. Internal microphone Records sound. Fingerprint reader Allows a fingerprint logon to Windows instead of using a password - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 14
Product Description The external components on the right side of the computer are shown below and described in Table 1-2. Right-Side Components 1-8 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 15
your computer has ■ a PC Card slot, it supports optional Type I, Type II, 32-bit (CardBus), or 16-bit PC Cards. ■ a smart card reader, it accepts smart cards or Java™ Cards. Digital Media Slot Supports Secure Digital (SD) Memory Cards and MultiMediaCards (MMC). Maintenance and Service Guide 1-9 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 16
1 2 Table 1-3 Left-Side Components Component Function Security cable slot Attaches an optional security cable to the computer. ✎ The overheating, do not obstruct vents. Use the computer only a hard, flat surface. Do not allow a hard surface, such as an adjoining printer, or a soft surface - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 17
button Launches Info Center, which enables you to open various software solutions. Power switch When the computer is ■ Off, slide toward the front exit hibernation. If the computer has stopped responding and Microsoft Windows shutdown procedures cannot be used, slide toward the front of the - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 18
Product Description The external components on the rear panel of the computer are shown below and described in Table 1-4. Rear Panel Components 1-12 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 19
TX/1000BASE-T connectivity. Smart adapter power connector Connects an AC adapter, an optional AC adapter, or an optional power cable. External monitor port Connects extra 3 pins also enable an optional S-Video-to-composite adapter to be used with the computer. Maintenance and Service Guide 1-13 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 20
Product Description The standard keyboard components of the computer are shown below and described in Table 1-5. Standard Keyboard Components 1-14 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 21
5 6 7 8 Table 1-5 Standard Keyboard Components Component Function Function keys (6) Perform system and application tasks. When combined with the fn or the esc key. Windows logo key Displays the Microsoft Windows Start menu. Windows applications key Displays a shortcut Service Guide 1-15 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 22
Product Description The computer top components are shown below and described in Table 1-6. Top Components 1-16 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 23
components. ✎ To prevent overheating, do not obstruct vents. Use the computer only a hard, flat surface. Do not allow a hard surface, such as an adjoining printer, or a soft surface, such as pillows or sound. TouchPad scroll zone Scrolls upward or downward. Maintenance and Service Guide 1-17 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 24
Product Description The external components on the bottom of the computer are shown below and described in Table 1-7. Bottom Components 1-18 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 25
, to block airflow. Battery bay Holds the battery pack. Battery release latch Releases the battery pack from the battery bay. Hard drive cover Holds the primary hard drive. Expansion memory module compartment Contains one expansion memory module slot. Maintenance and Service Guide 1-19 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 26
identify replacement parts, and Chapter 5, "Removal and Replacement Procedures," for disassembly steps. The system board provides the following device connections: ■ Audio ■ Bluetooth ■ Display ■ Hard drive ■ Intel Core Duo and Celeron M processors ■ Keyboard ■ Memory module ■ Mini Card devices ■ PC - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 27
by HP should repair this equipment. All troubleshooting and safety hazard. Any indication of component replacement or printed wiring board modification may This utility includes settings that are not available in Windows. Using Computer Setup Information and settings in Computer Service Guide 2-1 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 28
Troubleshooting 2. Select the File, Security, Diagnostics, or System Configuration menu. 3. To close the computer, processor, memory and cache size, and system ROM. ■ View BIOS revision, keyboard controller version, and battery pack serial number information. 2-2 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 30
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 categories: ■ Walking 0s ■ Walking 1s ■ High Address line testing ■ Alternate Pattern testing 2-4 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 32
"Flowchart 2.5-No Power, Part 4" 2.6 "Flowchart 2.6-No Video, Part 1" 2.7 "Flowchart 2.7-No Video, Part 2" 2.8 "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 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 33
? Y Check LED board, speaker connections. Y Go to "Flowchart 2.6-No Video, 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/ pointing device working? N Connecting to network or modem? End Go to - HP Tc4400 | HP Compaq nc4400 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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 35
debris in battery socket and clean if necessary. Y Power on? Done N Check battery pack by recharging it, moving it to another computer, 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 2-9 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 36
. Y Power on? N N Power outlet active? Y Replace power cord. Y Power on? N Done Done Try different outlet. External Internal or external AC adapter? Replace external AC adapter. Internal N Go to "Flowchart Power on? 2.5-No Power, Part 4." Y Done Done 2-10 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 38
the following one at a time. Test after each replacement. 1. Cable between computer and computer display (if applicable) 2. Display 3. System board N Video OK? Y Try another display. N Internal and external video OK? Y Replace system board. Done Done 2-12 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 39
, and for monitor connection. Try another external monitor. Y Video OK? N Y Internal Done and external Done video OK? N Adjust external monitor display. Go to "Flowchart 2.8-Nonfunctioning Docking Device (if applicable)." Maintenance and Service Guide 2-13 - HP Tc4400 | HP Compaq nc4400 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 Tc4400 | HP Compaq nc4400 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 Tc4400 | HP Compaq nc4400 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 Tc4400 | HP Compaq nc4400 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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 44
sectors be fixed? Y Clean virus. Y OS loading from hard drive? N Y Diagnostics on diskette? N Replace hard drive. Run diagnostics and follow recommendations. N Fix bad sectors. Boot from hard drive? Replace hard drive. Y Done Replace hard drive. Done 2-18 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 45
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 "Flowchart 2.17-Nonfunctioning Device." Maintenance and Service Guide 2-19 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 46
? 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 Device." Correct boot order using the Setup Utility. 2-20 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 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 Tc4400 | HP Compaq nc4400 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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 49
? Y Y Any physical device detected? N 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 2-23 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 50
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? Done N Replace system board. 2-24 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 51
. 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 pointing device or cable. Y Done OK? Done N Replace system board. Maintenance and Service Guide 2-25 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 52
line. N Y NIC/modem configured Reload drivers and OK? Done in OS? reconfigure. Y N Disconnect all power from the computer and open. Reseat NIC/modem (if applicable). Replace the NIC/modem (if applicable). Y OK? Done N Replace system board. 2-26 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 53
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 computer model number located on the bottom of the computer. Serial Number Location Maintenance and Service Guide 3-1 - HP Tc4400 | HP Compaq nc4400 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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 55
Catalog Table 3-1 Spare Parts: Computer Major Components Item 1 2 3 4 5 6 7 8 Description 12.1-inch, XGA, TFT display assembly (includes wireless antenna transceivers and cables, microphone, fingerprint reader board, and display cable) Keyboard cover Keyboards, with pointing stick Belgium - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 56
Illustrated Parts Catalog Computer Major Components 3-4 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 57
Illustrated Parts Catalog Table 3-1 Spare Parts: Computer Major Components (Continued) Item 9 10 Description Memory modules PC2, 5300 2048- card for ROW use 802.11a/b/g ATMC WLAN card for use in Japan Spare Part Number 419149-001 419145-001 419151-001 419147-001 419148-001 419144-001 419150-001 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 58
Illustrated Parts Catalog Computer Major Components 3-6 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 59
Parts Catalog Table 3-1 Spare Parts: Computer Major Components (Continued) Item 11 12 13 14a 14b 14c 14d 15 16 17 18 19 20 21 Description Heat sink (includes thermal paste) Thermal shield Hinge saddle Plastics Kit, includes: PC Card slot spacer Bluetooth board cover Hard drive cover Memory - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 60
Illustrated Parts Catalog Computer Major Components 3-8 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 61
enclosure 6-cell battery pack Hard drives (all 5400 rpm; include cover and frame) 100-GB 80-GB 60-GB Bluetooth module (includes Bluetooth module cable) Hard drive cover Spare Part Number 419110-001 419111-001 419124-001 419126-001 419125-001 419117-001 419128-001 Maintenance and Service Guide 3-9 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 62
Illustrated Parts Catalog 3.3 Display Assembly Components 3-10 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 63
Assembly Components Spare Parts Number Information Item 1 2 3 4 5 6 7 Description Display bezel (includes fingerprint reader board) Display Spare Part Number 419133-001 419130-001 419152-001 419141-001 431167-001 419108-001 419138-001 419142-001 419136-001 Maintenance and Service Guide 3-11 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 64
3.4 Plastics Kit Table 3-3 Plastics Kit Spare Part Number Information Item 1 2 3 4 5 Description Plastics Kit Includes: Hard drive cover Bluetooth module cover PC Card slot bezel Memory module compartment cover Computer feet (5) Spare Part Number 419157-001 3-12 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 65
3.5 Cable Kit Illustrated Parts Catalog Table 3-4 Cable Kit Spare Part Number Information Item 1 2 3 4 Description Cable Kit Includes: Button board cable Modem cable Bluetooth module cable Pointing stick cable Spare Part Number 419118-001 Maintenance and Service Guide 3-13 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 66
battery 367456-001 External MultiBay II 366143-001 External MultiBay II power cable and stand 366144-001 HP Docking Station 413267-001 HP Docking Station 120 W AC adapter 391174-001 Logo Kit 419132-001 HP Docking Station Miscellaneous Plastics Kit 380089-001 MultiBay 8X DVD-ROM Drive - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 67
Catalog Table 3-5 Miscellaneous Spare Part Information (Continued) Description Power supply, 65 watt Power cords For use in: Australia Netherlands The People's Republic of China Saudi Arabia Spain Sweden/Finland Spare Part Number 419107-001 350188-011 350188-021 350188-001 350188-081 350188-041 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 68
Power cord for use in Hong Kong and the United Kingdom Power cord for use in Germany Power cord for use in France Power cord for use in Italy Power cord for use in Spain Power cord for use in Denmark Power cord for use in Saudi Arabia Power cord for use in Japan 3-16 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 69
External MultiBay II External MultiBay II power cable and stand 8-cell travel battery pack MultiBay 8X DVD-ROM Drive (for use in External MultiBay II and HP Docking Station) MultiBay 24X DVD/CD-RW Combo Drive (for use in External MultiBay II and HP Docking Station) Screw Kit 802.11a/b/g FRLN WLAN - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 70
for use in Japan 802.11a/b/g FRLN WLAN Mini Card WLAN module for use in Europe HP Docking Station Miscellaneous Plastics Kit Base enclosure cover Screw Kit RTC battery HP Docking Station 120-W AC adapter Intel Core Duo T2300 (1.67-GHz) processor (includes thermal paste) Intel Core Duo T2400 (1.83 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 71
419126-001 419127-001 419128-001 419129-001 419130-001 Description HP Docking Station 65-watt power supply Wireless Antenna Kit (includes wireless antenna transceivers and cables) Base enclosure 6-cell, 5.1-Ah battery pack Button board (includes button board cable) Infrared board (includes cable - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 72
module PC2, 5300 2048-MB memory module PC2, 4200 512-MB memory module PC2, 5300 512-MB memory module Microphone 12.1-inch, XGA, TFT display assembly (includes wireless antenna transceivers and cables, microphone, fingerprint reader board, and display cable) 3-20 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 73
use in Spain Keyboard with pointing stick for use in Denmark Keyboard with pointing stick for use in Norway Keyboard with pointing stick for use in Switzerland Keyboard with pointing stick for use in French Canada Keyboard with pointing stick for use in Portugal Maintenance and Service Guide 3-21 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 74
for use in Taiwan Keyboard with pointing stick for use in Korea Keyboard with pointing stick for use in Sweden/Finland Keyboard with pointing stick for use in Israel Keyboard with pointing stick for use in Iceland Display Bracket Kit (includes display hinges) 3-22 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 75
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 ■ Torx8 screwdriver ■ Flat - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 76
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 be caught or snagged by parts being removed or replaced. Handle flex cables with extreme care; these cables tear easily. - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 77
electricity. While handling a drive, avoid 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 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 78
Removal and Replacement Preliminaries 4.4 Preventing Electrostatic Damage Many provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt silicon junctions. A sudden discharge of , reducing its life expectancy. 4-4 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 79
their containers. ■ Always be properly grounded when touching a sensitive component or assembly. ■ Store reusable electrostatic-sensitive parts from assemblies in protective packaging or nonconductive foam. possible, use an ionizer to dissipate electric charges. Maintenance and Service Guide 4-5 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 80
Removal and Replacement Preliminaries 4.6 Workstation properly grounded tools and equipment. ■ Use conductive field service tools, such as cutters, screwdrivers, and vacuums. aids and Styrofoam. ■ Handle electrostatic-sensitive components, parts, and assemblies by the case or PCM laminate. Handle - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 81
Removal and Replacement Preliminaries 4.7 Grounding Equipment and Methods Grounding equipment must include either a wrist one megohm resistance ■ Static-dissipative tables or floor mats with hard ties to the ground ■ Field service kits ■ Static awareness labels ■ Material-handling packages ■ - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 82
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 83
as 70 screws, in 10 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 A, "Screw Listing," for detailed information on screw and screw lock - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 84
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 85
Screws Removed 0 2 loosened to remove the hard drive cover 1 loosened to remove the hard drive 4 removed to disassemble the hard drive 0 2 loosened to remove the Bluetooth module cover 2 loosened to remove the memory module compartment cover 2 4 3 4 1 loosened 0 Maintenance and Service Guide 5-3 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 86
reader board 0 Microphone 0 Display inverter 1 Display panel 2 Display hinges 2 Wireless antenna transceivers 2 and cables Button Board 1 Top Cover 10 TouchPad 4 Speaker 2 Infrared Board 1 System Board 6 Modem Module 2 RTC Battery 0 5-4 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 87
Removal and Replacement Procedures 5.3 Preparing the Computer for Disassembly Before you begin any removal or installation procedures: 1. down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power cord. Maintenance and Service Guide 5-5 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 88
Removal and Replacement Procedures Battery Pack Spare Part Number Information 6-cell battery pack 419111-001 4. Remove the battery pack by following these steps: a. Turn the computer upside down with the front toward you. b. Slide the battery release latch 1 toward the back of the computer. (The - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 89
5.4 Hard Drive Removal and Replacement Procedures Hard Drive Spare Part Number Information Hard drives (all 5400 rpm; include cover and frame) 100-GB 80-GB 60-GB 419124-001 419126-001 419125-001 1. Prepare the computer for disassembly (Section 5.3). Maintenance and Service Guide 5-7 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 90
. 3. Lift the left side of the hard drive cover and swing it to the right 2 and remove it. ✎ The hard drive cover is available using spare part 419128-001 and is also included in the Plastics Kit, spare part number 419157-001. Removing the Hard Drive Cover 5-8 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 91
and Replacement Procedures 4. Loosen the Phillips PM2.5×13.0 hard drive retention screw 1. 5. Grasp the mylar tab 2 on the hard drive and slide the hard drive to the right 3 to disconnect it from the system board. 6. Remove the hard drive 4. Removing the Hard Drive Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 92
Remove the four Phillips PM3.0×4.0 screws 1 that secure the hard drive frame to the hard drive. 8. Lift the frame straight up 2 to 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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 93
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 419157-001. Replacing the Computer Feet Maintenance and Service Guide 5-11 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 94
Removal and Replacement Procedures 5.6 Bluetooth Module Bluetooth Module Spare Part Number Information Bluetooth module (includes Bluetooth module cable) 419117-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the hard drive cover (Section 5.4). 3. Position the computer with - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 95
Removal and Replacement Procedures 6. Slide the Bluetooth module out of the computer 1. 7. Disconnect the Bluetooth module cable 2 from the board. Removing the Bluetooth Module Reverse the above procedure to install the Bluetooth module. Maintenance and Service Guide 5-13 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 96
Removal and Replacement Procedures 5.7 External Memory Module Memory Module Spare Part Number Information PC2, 5300 2048-MB 1024-MB 512-MB 256-MB 419149-001 419145-001 for disassembly (refer to Section 5.3). 2. Position the computer with the front toward you. 5-14 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 97
. 4. Lift the left side of the cover and swing it to the right 2 to remove the memory module compartment cover. ✎ The memory module compartment cover is included in the Plastics Kit, spare part number 419157-001. Removing the Memory Module Compartment Cover Maintenance and Service Guide 5-15 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 98
from the socket at an angle 2. 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 an external memory module. 5-16 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 99
and Replacement Procedures 5.8 Keyboard Cover Keyboard Cover Spare Part Number Information Keyboard cover 419119-001 1. Prepare the computer for disassembly (Section 5.3). 2. Position the computer with the front toward you. 3. Remove the two Torx8 T8M2.0×20.0 screws that secure the keyboard - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 100
Removal and Replacement Procedures 4. Turn the computer right-side up with the front toward you. 5. Open the computer as far as possible. 6. Lift the front edge of the keyboard cover until it detaches from the computer. Releasing the Keyboard Cover 5-18 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 101
Removal and Replacement Procedures 7. Lift the keyboard cover straight up and remove it. Removing the Keyboard Cover Reverse the above procedure to install the keyboard cover. Maintenance and Service Guide 5-19 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 102
Removal and Replacement Procedures 5.9 Keyboard Keyboard Spare Part Number Information Belgium Brazil The Czech the computer for disassembly (Section 5.3). 2. Remove the keyboard cover (Section 5.8). 3. Turn the computer upside down with the front toward you. 5-20 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 103
Removal and Replacement Procedures 4. Remove the following: 1 Three Torx8 T8M2.0×10.0 screws 2 One Torx8 T8M2.0×5.0 screw Removing the Keyboard Screws Maintenance and Service Guide 5-21 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 104
the keyboard back 1 until the pointing stick cable is accessible. 8. Release the zero insertion force (ZIF) connector to which the pointing stick cable is connected and disconnect the pointing stick cable 2 from the system board. Disconnecting the Pointing Stick Cable 5-22 Maintenance and Service - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 105
until it rests on the palm rest. 11. Release the ZIF connector to which the keyboard cable is connected and disconnect the keyboard cable 3 from the system board. 12. Remove the keyboard. Removing the Keyboard Reverse the above procedure to install the keyboard. Maintenance and Service Guide 5-23 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 106
Removal and Replacement Procedures 5.10 Fan Fan Spare Part Number Information Fan 419127-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the keyboard cover (Section 5.8). 3. Release the keyboard (Section 5.9). 4. Disconnect the fan cable 1 from the system board. 5. Remove - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 107
5.11 Heat Sink Removal and Replacement Procedures Heat Sink Spare Part Number Information Heat sink (includes thermal paste) 419161-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the keyboard cover (Section 5.8). 3. Release the keyboard (Section 5.9). 4. Remove the fan ( - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 108
Removal and Replacement Procedures 6. Lift the right side of the heat sink 1 to disengage it from the processor. 7. Slide the heat sink up and to the right to move the heat sink from side to side to detach the heat sink from the processor. Removing the Heat Sink 5-26 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 109
surfaces of the heat sink 1 and processor 2 each time the heat sink is removed. Thermal paste 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 5-27 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 110
Replacement Procedures 5.12 Processor ✎ All processor spare part kits include thermal paste. Processor Spare Part keyboard cover (Section 5.8). 3. Release the keyboard (Section 5.9). 4. Remove the fan (Section 5.10). 5. Remove the heat sink (Section 5.11). 5-28 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 111
Removal and Replacement Procedures 6. Use a flat-bladed screwdriver to turn the processor locking screw one-half turn counterclockwise 1 until you hear a when you install the processor. Removing the Processor Reverse the above procedure to install the processor. Maintenance and Service Guide 5-29 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 112
Removal and Replacement Procedures 5.13 Internal Memory Module Memory Module Spare Part Number Information PC2, 5300 2048-MB Prepare the computer for disassembly (Section 5.3). 2. Remove the keyboard cover (Section 5.8). 3. Release the keyboard (Section 5.9). 5-30 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 113
from the socket at an angle 2. 6. Remove the memory module. ✎ Memory modules are designed with a notch 3 to prevent incorrect installation into the memory module socket. Removing the Internal Memory Module Reverse the above procedure to install a memory module. Maintenance and Service Guide 5-31 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 114
Removal and Replacement Procedures 5.14 Mini Card WLAN Module Mini Card WLAN Module Spare Part Number Information 802.11b/g Silverton WLAN module for disassembly (Section 5.3). 2. Remove the keyboard cover (Section 5.8). 3. Release the keyboard (Section 5.9). 5-32 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 115
Removal and Replacement Procedures 4. Make note of which antenna cable is attached to which antenna clip on the Mini Card WLAN module prevent incorrect installation. Removing a Mini Card WLAN Module Reverse the above procedure to install a Mini Card WLAN module. Maintenance and Service Guide 5-33 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 116
Display Assembly Spare Part Number Information 12.1-inch, XGA, TFT display assembly (includes wireless antenna transceivers and cables, microphone, fingerprint reader board, and display cable) 419155-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the keyboard cover (Section - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 117
Removal and Replacement Procedures 8. Remove the base enclosure cover. ✎ The base enclosure cover is available using spare part number 383520-001. Removing the Base Enclosure Cover Maintenance and Service Guide 5-35 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 118
Removal and Replacement Procedures 9. Disconnect the display cable from the system board. Disconnecting the Display Cable 5-36 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 119
Removal and Replacement Procedures 10. Route the display cable through the opening between the base enclosure and the top cover. Releasing the Display Cable Maintenance and Service Guide 5-37 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 120
Removal and Replacement Procedures 11. Turn the computer right-side up with the front toward you. 12. Open the computer as far as possible. cable from the routing channel 3 and clips 4 through which the cables are routed. Disconnecting the Display Cables 5-38 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 121
and Replacement Procedures 16. Route the display cable through the opening in the computer 1. 17. Remove the two Phillips PM2.0×20.0 screws 2 that secure the display assembly to the computer. 18. Remove the display assembly 3. Removing the Display Assembly Maintenance and Service Guide 5-39 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 122
Removal and Replacement Procedures Display Assembly Subcomponents Spare Parts Number Information Display bezel (includes fingerprint reader board) 419133-001 19. Remove the four Rubber Screw Cover Kit, spare part number 419142-001. Removing the Display Bezel Screws 5-40 Maintenance and - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 123
Removal and Replacement Procedures 20. Flex the insides edges of the left 1 and top and bottom 2 edges of the display bezel until the bezel 21. Swing the bezel 3 up and to the right until it rests beside the display assembly. Releasing the Display Bezel Maintenance and Service Guide 5-41 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 124
Removal and Replacement Procedures 22. Disconnect the fingerprint reader board cable from the fingerprint reader board. Removing the Fingerprint Reader Board 23. Remove the display bezel. 5-42 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 125
Removal and Replacement Procedures Microphone Display Assembly Subcomponents Spare Part Number Information 419152-001 24. Remove the microphone from the clip in the display enclosure. Removing the Microphone Maintenance and Service Guide 5-43 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 126
Removal and Replacement Procedures Display Assembly Subcomponents Spare Part Number Information Display inverter 419130-001 25. Remove the Phillips PM2.0×6.0 screw 1 that secures the inverter. 27. Remove the display inverter 4. Removing the Display Inverter 5-44 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 127
Spare Part Number Information 12.1-inch WXGA, TFT display panel 419141-001 28. Remove the two Phillips PM2.0×6.0 screws 1 that secure the display panel to the display enclosure. 29. Remove the display panel 2 from the display enclosure. Removing the Display Panel Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 128
Procedures ✎ The display hinges are included in the Display Bracket Kit, spare part number 431167-001. 30. If it is necessary to replace the display hinges, remove the Phillips PM2.0×6.0 screw 1 that secures each hinge to the display enclosure. 31. Remove the display hinges 2. Removing the - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 129
Procedures Display Assembly Subcomponents Spare Part Number Information Wireless Antenna Kit 419108-001 32. If it is necessary to replace the wireless antenna transceivers and cables, remove the above procedure to reassemble and install the display assembly Maintenance and Service Guide 5-47 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 130
Number Information Button board (includes button board cable) 419112-001 1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. Keyboard cover (Section 5.8) b. Keyboard (Section 5.9) c. Display assembly (Section 5.15) 5-48 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 131
Removal and Replacement Procedures 2. Disconnect the button board cable 1 from the system board. 3. Remove the Phillips PM2.0×4.0 screw 2 that secures the button board to the top cover. Removing the Button Board Screw Maintenance and Service Guide 5-49 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 132
Removal and Replacement Procedures 4. Lift the left side of the button board 1. 5. Slide the button board to the left 2 and remove it. Removing the Button Board Reverse the above procedure to install the button board. 5-50 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 133
(Section 5.3) and remove the following components: a. Hard drive (Section 5.4) b. Keyboard cover (Section 5.8) c. Keyboard (Section 5.9) d. Display assembly (Section 5.15) e. Button board (Section 5.16) 2. Turn the computer upside down with the front toward you. Maintenance and Service Guide 5-51 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 134
Removal and Replacement Procedures 3. Remove the seven Torx8 T8M2.0×10.0 screws that secure the top cover to the computer. Removing the Top Cover Screws, Part 1 5-52 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 135
rear keyboard cover to the computer. 6. Remove the rear keyboard cover 2. ✎ The rear keyboard cover is available using spare part number 419120-001. 7. Remove the Phillips PM2.0×4.0 screw 3 that secures the top cover to the computer. Removing the Rear Keyboard Cover Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 136
Removal and Replacement Procedures 8. Disconnect the TouchPad cable 1 from the system board. 9. Lift the rear edge of the top cover 2 until it disengages from up 3 and remove it. Removing the Top Cover Reverse the above procedure to install the top cover. 5-54 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 137
following components: a. Hard drive (Section 5.4) b. Keyboard cover (Section 5.8) c. Keyboard (Section 5.9) d. Display assembly (Section 5.15) e. Button board (Section 5.16) f. Top cover (Section 5.17) 2. Turn the top cover upside down with the front toward you. Maintenance and Service Guide 5-55 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 138
Removal and Replacement Procedures 3. Remove the four Phillips PM2.0×4.0 screws that secure the TouchPad bracket to the top cover. Removing the TouchPad Bracket Screws 5-56 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 139
Removal and Replacement Procedures 4. Lift the right side of the TouchPad bracket 1 until it rests at an angle. 5. Slide the TouchPad bracket to the right 2 and remove it. Removing the TouchPad Bracket Maintenance and Service Guide 5-57 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 140
TouchPad cable is attached and disconnect the TouchPad cable 1. 7. Slide the TouchPad 2 to the right and remove it. 8. If it is necessary to replace the TouchPad cable, disconnect the cable 3 from the TouchPad board. Removing the TouchPad Reverse the above procedure to install the TouchPad. 5-58 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 141
the computer for disassembly (Section 5.3) and remove the following components: a. Hard drive (Section 5.4) b. Keyboard cover (Section 5.8) c. Keyboard (Section 5.9) d. Display assembly (Section 5.15) e. Button board (Section 5.16) f. Top cover (Section 5.17) Maintenance and Service Guide 5-59 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 142
Removal and Replacement Procedures 2. Disconnect the speaker cable 1 from the system board and route the cable under the infrared board cable 2. 3. the computer. 4. Remove the speaker 4. Removing the Speaker Reverse the above procedure to install the speaker. 5-60 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 143
(Section 5.3) and remove the following components: a. Hard drive (Section 5.4) b. Keyboard cover (Section 5.8) c. Keyboard (Section 5.9) d. Display assembly (Section 5.15) e. Button board (Section 5.16) f. Top cover (Section 5.17) g. Speaker (Section 5.19) Maintenance and Service Guide 5-61 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 144
Removal and Replacement Procedures 2. Release the ZIF connector to which the infrared board cable is connected and disconnect the cable 1 from the the infrared board 3. Removing the Infrared Board Reverse the above procedure to install the infrared board . 5-62 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 145
system board: ■ Memory modules (Section 5.7 and Section 5.13) ■ Processor (Section 5.12) ■ Mini Card WLAN module (Section 5.14) ■ Modem module (Section 5.22) ■ RTC battery (Section 5.23) 1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. Hard drive (Section - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 146
Removal and Replacement Procedures 2. Disconnect the Bluetooth module cable 1 from the system board and remove the cable. 3. Remove the four Torx8 T8M2.0×5.0 screws 2 that secure the system board to the computer. Removing the System Board Screws, Part 1 5-64 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 147
Removal and Replacement Procedures 4. Remove the Torx8 T8M2.0×8.0 screw 1 that secures the display support frame to the computer. 5. part number 419129-001. The thermal shield is available using spare part number 419162-001. Removing the System Board Screws, Part 2 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 148
the surfaces of the video chip shield 1 and video chip 2 each time the shield is removed. Thermal paste is included with the system board spare part kit. Video Chip Shield and Video Chip Thermal Paste Locations 5-66 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 149
8. Lift the left side of the system board 1 until the hard drive connector 2 is clear of the base enclosure. 9. Slide the system board 3 to the left at an angle and remove it. Removing the System Board Reverse the above procedure to install the system board. Maintenance and Service Guide 5-67 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 150
Replacement Procedures 5.22 Modem Module Modem Module Spare Part Number Information Modem module (high-speed 56 K, includes modem module cable) 419143-001 1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. Hard drive 5-68 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 151
Removal and Replacement Procedures 3. Disconnect the modem module cable from the two connectors 1 on the system board. 4. Remove the two Phillips PM2.0×4.0 6. Remove the modem board. Removing the Modem Board Reverse the above procedure to install the modem board. Maintenance and Service Guide 5-69 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 152
Replacement Procedures 5.23 RTC Battery RTC Battery Spare Part Number Information RTC battery 383625-001 1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. Hard drive (Section 5.4) b. Bluetooth module (Section 5.6) c. Keyboard and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 153
Removal and Replacement Procedures 3. Remove the RTC battery from the system board socket. Removing the RTC Battery Reverse the above procedure to install the RTC battery. Make sure the RTC battery is installed with the "+" sign facing up. Maintenance and Service Guide 5-71 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 154
Input Power Operating voltage Operating current 18.5 V dc @ 3.5 A - 65 W 3.5 A Temperature Operating (not writing to optical disc) Operating (writing to optical disc) Nonoperating 0°C to 35°C 5°C to 35°C -20°C to 60°C 32°F to 95°F 41°F to 95°F -4°F to 140°F Maintenance and Service Guide 6-1 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 155
Specifications Table 6-1 Computer (Continued) Relative humidity (noncondensing) Operating Nonoperating 10% to to-peak, 10 Hz to 500 Hz, 0.5 oct/min sweep rate ✎ Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 156
Character display Total power consumption Viewing angle 20.7 cm 33.1 cm 39.1 cm Up to 16.8 million 150:1 150 nits typical 8.1 in 13.0 in 15.4 in 0.300 × 0.300 mm 1024 × 768 RGB vertical stripe Edge lit 80 × 25 3.5 W +/-65° horizontal, +/-50° vertical typical Maintenance and Service Guide 6-3 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 157
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 158
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 Maintenance and Service Guide 6-5 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 159
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. 6-6 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 160
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-compliant system - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 161
Specifications Table 6-6 System Interrupts (Continued) IRQ11 Intel USB EHCI controller- 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 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 162
Opti 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 6-9 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 163
Specifications Table 6-7 System I/O Addresses reset Unused Unused Secondary fixed disk controller Unused Primary fixed disk controller Unused Joystick (decoded in ESS1688) Unused Entertainment audio Unused Unused Unused Unused Unused Unused Reserved serial port 6-10 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 164
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 6-11 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 165
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 6-12 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 166
A Screw Listing This appendix provides specification and reference information for the screws and screw locks used in the computer. All screws and screw locks listed in this appendix are available in the Screw Kit, spare part number 373556-001. Maintenance and Service Guide A-1 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 167
Width Black 6 5.0 mm 2.0 mm 4.5 mm Where used: 1 Two 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 Two screws that secure the memory module compartment cover to the computer (screws are captured on the cover by - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 168
secure the Bluetooth module cover to the computer (screws are captured on the cover by C-clips; documented in Section 5.6) Phillips PM2.0×5.0 Screw Locations Maintenance and Service Guide A-3 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 169
Phillips PM3.0×4.0 Screw Head mm Color Qty. Length Thread Width Silver 4 4.0 mm 3.0 mm 5.0 mm Where used: 2 Four screws that secure the hard drive frame to the hard drive (documented in Section 5.4) Phillips PM2.5×13.0 and Phillips PM3.0×4.0 Screw Locations A-4 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 170
Screw Listing Table A-4 Torx T8M2.0×20.0 Screw Head mm Color Qty. Length Thread Width Black 8 20.0 mm 2.0 mm 4.5 mm Where used: 2 screws that secure the keyboard cover to the computer (documented in Section 5.8) Torx T8M2.0×20.0 Screw Locations Maintenance and Service Guide A-5 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 171
2.0 mm 4.5 mm Where used: 2 screws that secure the base enclosure cover to the computer (documented in Section 5.15) Torx T8M2.0×20.0 Screw Locations A-6 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 172
.0 mm 2.0 mm 4.5 mm Where used: 2 screws that secure the display assembly to the computer (documented in Section 5.15) Torx T8M2.0×20.0 Screw Locations Maintenance and Service Guide A-7 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 173
Table A-4 Torx T8M2.0×20.0 Screw (Continued) Head mm Color Qty. Length Thread Width Black 8 20.0 mm 2.0 mm 4.5 mm Where used: 2 screws that secure the rear keyboard cover to the computer (documented in Section 5.17) Torx T8M2.0×20.0 Screw Locations A-8 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 174
Torx T8M2.0×10.0 Screw Head mm Color Qty. Length Thread Width Black 12 10.0 mm 2.0 mm 4.5 mm Where used: 1 Three screws that secure the keyboard to the computer (documented in Section 5.9) 2 Two screws that secure the display assembly to the computer (documented in Section 5.15) Torx T8M2.0×10 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 175
Screw Listing Table A-5 Torx T8M2.0×10.0 Screw (Continued) mm Color Qty. Length Thread Black 12 10.0 mm 2.0 mm Where used: 7 screws that secure the top cover to the computer (documented in Section 5.17) Head Width 4.5 mm Torx T8M2.0×10.0 Screw Locations A-10 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 176
Screw Listing Table A-6 Torx T8M2.0×5.0 Screw Head mm Color Qty. Length Thread Width Black 8 5.0 mm 2.0 mm 4.5 mm Where used: One screw that secures the keyboard to the computer (documented in Section 5.9) Torx T8M2.0×5.0 Screw Location Maintenance and Service Guide A-11 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 177
(documented in Section 5.19) 2 One screw that secures the infrared board to the computer (documented in Section 5.20) Torx T8M2.0×5.0 Screw Locations A-12 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 178
Screw Listing Table A-6 Torx T8M2.0×5.0 Screw (Continued) Head mm Color Qty. Length Thread Width Black 8 5.0 mm 2.0 mm 4.5 mm Where used: 4 screws that secure the system board to the computer (documented in Section 5.21) Torx T8M2.0×5.0 Screw Locations Maintenance and Service Guide A-13 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 179
Screw Listing Table A-7 Torx T8M2.0×8.0 Screw Head mm Color Qty. Length Thread Width Black 5 8.0 mm 2.0 mm 5.0 mm Where used: 3 screws that secure the fan to the computer (documented in Section 5.10) Torx T8M2.0×8.0 Screw Locations A-14 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 180
) Head mm Color Qty. Length Thread Width Black 5 8.0 mm 2.0 mm 5.0 mm Where used: 1 One screw that secures the system board and display support frame to the computer (documented in Section 5.21) 2 One screw that secures the system board and thermal shield to the computer (documented in Section - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 181
Screw Listing Table A-8 Phillips PM2.5×7.0 Screw mm Color Qty. Length Thread Black 4 7.0 mm 2.5 mm Where used: 4 screws that secure the heat sink to the computer (documented in Section 5.11) Head Width 5.0 mm Phillips PM2.5×7.0 Screw Locations A-16 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 182
2.0 mm 4.0 mm Where used: 2 screws that secure the Mini Card WLAN module to the computer (documented in Section 5.14) Phillips PM2.0×4.0 Screw Locations Maintenance and Service Guide A-17 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 183
(documented in Section 5.16) 2 One screw that secures the top cover to the computer (documented in Section 5.17) Phillips PM2.0×4.0 Screw Locations A-18 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 184
4.0 mm 2.0 mm 4.0 mm Where used: 4 screws that secure the TouchPad bracket to the top cover (documented in Section 5.18) Phillips PM2.0×4.0 Screw Locations Maintenance and Service Guide A-19 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 185
2.0 mm 4.0 mm Where used: 2 screws that secure the modem module to the system board (documented in Section 5.22) Phillips PM2.0×4.0 Screw Locations A-20 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 186
6.0 mm 2.0 mm 5.0 mm Where used: 4 screws that secure the display bezel to the display assembly (documented in Section 5.15) Phillips PM2.0×6.0 Screw Locations Maintenance and Service Guide A-21 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 187
5.0 mm Where used: One screw that secures the display inverter to the display assembly (documented in Section 5.15) Phillips PM2.0×6.0 Screw Location A-22 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 188
(documented in Section 5.15) 2 Two screws that secure the display hinges to the display assembly (documented in Section 5.15) Phillips PM2.0×6.0 Screw Locations Maintenance and Service Guide A-23 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 189
5.0 mm Where used: 2 screws that secure the wireless antenna transceivers to the display assembly (documented in Section 5.15) Phillips PM2.0×6.0 Screw Locations A-24 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 190
B Software Backup and Recovery Backup HP Backup and Recovery Manager provides several ways to back 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 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 191
up specific files or folders to the hard drive, to an optional external hard drive, or to discs. ✎ This process will take several minutes, depending on the file size and the speed of the computer. To back up specific files or folders: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 192
, you are saving the full factory image, including the Windows operating system, software applications, and all personal files and folders. ✎ A copy of the entire hard drive image can be stored on another hard drive, on a network drive, or on recovery discs that you create. ✎ This process may take - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 193
Software Backup and Recovery 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 at a specific point in time. You can then recover back to that point if you - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 194
docking station (select computer 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. Recovery HP Backup and Recovery Manager analyzes the hard drive - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 195
available space on the hard drive by deleting the recovery partition. However, doing this is not recommended. If you delete this partition, you will lose any information that is on the partition. ✎ Only one set of recovery discs can be created for this computer. B-6 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 196
a Recovery Performing a Recovery from the Recovery Discs To perform a recovery from the recovery discs: 1. Back up all personal files. 2. Insert the first recovery disc into the optical drive and restart the computer. 3. Follow the on-screen instructions. Maintenance and Service Guide B-7 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 197
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. B-8 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 198
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 require special handling at Industries Alliance (EIA) at http://www.eiae.org. Maintenance and Service Guide C-1 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 199
Display Component Recycling This appendix provides disassembly instructions for the display assembly. The 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 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 200
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 201
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 202
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 203
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 204
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 205
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 206
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 207
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 208
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 209
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 210
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 211
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 212
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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 213
Connector Pin Assignments Table D-2 Audio-In (Microphone) Pin Signal 1 Audio signal in 2 Audio signal in Pin Signal 3 Ground Table D-3 Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - Pin Signal 3 Data + 4 Ground D-2 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 214
Connector Pin Assignments Table D-4 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 Maintenance and Service Guide D-3 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 215
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 D-4 Maintenance and Service Guide - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 216
Connector Pin Assignments Table D-6 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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 217
Connector Pin Assignments Table D-7 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 Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 218
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 use in other countries must meet the requirements of the country where the computer is used. Maintenance and Service Guide E-1 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 219
applicable to all countries. ■ The length of the power cord set must be at least 1.5 m (5.0 ft) and a maximum of 2.0 m (6.5 ft). ■ All power amps and a nominal voltage rating of 125 or 250 V AC, as required by each country's power system. ■ The appliance coupler must meet the mechanical configuration - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 220
Set Requirements Country-Specific Requirements 3-Conductor Power Cord Set Requirements Country/Region Accredited Agency Applicable Note Number Australia EANSW 1 Austria OVE 1 type with a Japanese Industrial Standard C8303 (7 A, 125 V) configuration. Maintenance and Service Guide E-3 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 221
Power Cord Set Requirements (Continued) Country/Region Accredited Agency Applicable , 1.0 mm² conductor size. Power cord set fittings (appliance coupler and 75 mm² conductor size. Power cord set fittings (appliance coupler 0.75 mm² conductor size. Power cord set fittings (appliance coupler - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 222
Index A accessory battery connector 1-19 arrow keys 1-15 audio troubleshooting 2-21 audio-in jack location 1-9 pin assignments D-2 audio-out jack location 1-9 pin assignments D-1 B base enclosure cover location 1-19 removal 5-35 spare part number 3-8, 3-19 base enclosure, spare part number 3-10, 3- - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 223
Bus (USB) D-2 connectors, service considerations 4-2 D design overview 1-20 Digital Media Slot 1-9 disassembly sequence chart 5-3 diskette drive OS loading problems 2-19 precautions 4-3 display assembly removal 5-34 spare part number 3-3, 3-21, 5-34 specifications 6-3 display bezel illustrated 3-11 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 224
removal 5-24 spare part number 3-3, 3-20, 5-24 features 1-2 feet illustrated 3-13 locations 5-11 fingerprint reader 1-7 flowcharts, troubleshooting no audio 2-21, 2-22 no network/modem connection 2-26 no OS loading 2-15 no OS loading from diskette drive 2-19 no OS loading from hard drive 2-16, 2-17 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 225
part number 3-10, 3-20 hard drive frame, removal 5-10 headphone jack location 1-9 pin assignments D-1 heat sink removal 5-25 spare part number 3-8, 3-22, 5-25 hinge saddle removal 5-65 spare part number 3-8, 3-20, 5-65 HP Docking Station 120-W AC adapter, spare part number 3-19 HP Docking Station - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 226
lock key 1-15 O optical drive OS loading problems 2-20 precautions 4-3 P packing precautions 4-5 password clearing 1-4 PC Card slot 1-9 PC Card slot bezel 3-13 plastic parts 4-2 Plastics Kit components 3-13 spare part number 3-8, 3-13, 3-22 pointing device, troubleshooting 2-25 pointing stick 1-17 - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 227
slot 1-10 serial number 3-1, 5-2 service considerations 4-2 smart card reader 1-9 software backup and recovery B-1 speaker location 1-11 removal 5-59 spare part number 3-8, 3-22, 5-59 specifications battery pack 6-5 computer 6-1 display 6-3 hard drive 6-4 I/O addresses 6-9 interrupts 6-7 memory - HP Tc4400 | HP Compaq nc4400 Notebook PC - Maintenance and Service Guide - Page 228
password 1-4 V vents 1-10, 1-17, 1-19 video troubleshooting 2-12 volume buttons 1-17 W Windows applications key 1-15 Windows logo key 1-15 Wireless Antenna Kit, spare part number 3-12, 3-20, 5-47 wireless button 1-11 wireless light 1-6 workstation precautions 4-6 Maintenance and Service Guide
Maintenance and Service
Guide
HP Compaq nc4400 Notebook PC
Document Part Number: 383207-002
May 2006
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.