HP Compaq tc4400 Tablet PC User Manual

Maintenance and Service GuideHP Compaq nc4400 Notebook PCDocument Part Number: 383207-002May 2006This guide is a troubleshooting reference used for ma

1–4 Maintenance and Service GuideProduct Description1.2 Resetting the ComputerIf the computer you are servicing has an unknown password, follow the st

5–18 Maintenance and Service GuideRemoval and Replacement Procedures4. Turn the computer right-side up with the front toward you.5. Open the computer

Removal and Replacement ProceduresMaintenance and Service Guide 5–197. Lift the keyboard cover straight up and remove it.Removing the Keyboard CoverRe

5–20 Maintenance and Service GuideRemoval and Replacement Procedures5.9 Keyboard1. Prepare the computer for disassembly (Section 5.3).2. Remove the ke

Removal and Replacement ProceduresMaintenance and Service Guide 5–214. Remove the following:1 Three Torx8 T8M2.0×10.0 screws2 One Torx8 T8M2.0×5.0 scr

5–22 Maintenance and Service GuideRemoval and Replacement Procedures5. Turn the computer right-side up with the front toward you.6. Open the computer

Removal and Replacement ProceduresMaintenance and Service Guide 5–239. Lift the rear edge of the keyboard 1 until it disengages from the computer.10.

5–24 Maintenance and Service GuideRemoval and Replacement Procedures5.10 Fan1. Prepare the computer for disassembly (Section 5.3).2. Remove the keyboa

Removal and Replacement ProceduresMaintenance and Service Guide 5–255.11 Heat Sink1. Prepare the computer for disassembly (Section 5.3).2. Remove the

5–26 Maintenance and Service GuideRemoval and Replacement Procedures6. Lift the right side of the heat sink 1 to disengage it from the processor.7. Sl

Removal and Replacement ProceduresMaintenance and Service Guide 5–27✎The thermal paste should be thoroughly cleaned from the surfaces of the heat sink

Product DescriptionMaintenance and Service Guide 1–51.3 Power ManagementThe computer comes with power management features that extend battery pack ope

5–28 Maintenance and Service GuideRemoval and Replacement Procedures5.12 Processor✎All processor spare part kits include thermal paste.1. Prepare the

Removal and Replacement ProceduresMaintenance and Service Guide 5–296. Use a flat-bladed screwdriver to turn the processor locking screw one-half turn

5–30 Maintenance and Service GuideRemoval and Replacement Procedures5.13 Internal Memory Module1. Prepare the computer for disassembly (Section 5.3).2

Removal and Replacement ProceduresMaintenance and Service Guide 5–314. Spread the retaining tabs 1 on each side of the memory module socket to release

5–32 Maintenance and Service GuideRemoval and Replacement Procedures5.14 Mini Card WLAN Module1. Prepare the computer for disassembly (Section 5.3).2.

Removal and Replacement ProceduresMaintenance and Service Guide 5–334. Make note of which antenna cable is attached to which antenna clip on the Mini

5–34 Maintenance and Service GuideRemoval and Replacement Procedures5.15 Display Assembly1. Prepare the computer for disassembly (Section 5.3).2. Remo

Removal and Replacement ProceduresMaintenance and Service Guide 5–358. Remove the base enclosure cover.✎The base enclosure cover is available using sp

5–36 Maintenance and Service GuideRemoval and Replacement Procedures9. Disconnect the display cable from the system board.Disconnecting the Display Ca

Removal and Replacement ProceduresMaintenance and Service Guide 5–3710. Route the display cable through the opening between the base enclosure and the

1–6 Maintenance and Service GuideProduct Description1.4 External ComponentsThe external components on the front of the computer are shown below and de

5–38 Maintenance and Service GuideRemoval and Replacement Procedures11. Turn the computer right-side up with the front toward you.12. Open the compute

Removal and Replacement ProceduresMaintenance and Service Guide 5–3916. Route the display cable through the opening in the computer 1.17. Remove the t

5–40 Maintenance and Service GuideRemoval and Replacement Procedures19. Remove the four rubber screw covers 1 and 2 and the four Phillips PM2.0×6.0 sc

Removal and Replacement ProceduresMaintenance and Service Guide 5–4120. Flex the insides edges of the left 1 and top and bottom 2 edges of the display

5–42 Maintenance and Service GuideRemoval and Replacement Procedures22. Disconnect the fingerprint reader board cable from the fingerprint reader boar

Removal and Replacement ProceduresMaintenance and Service Guide 5–4324. Remove the microphone from the clip in the display enclosure.Removing the Micr

5–44 Maintenance and Service GuideRemoval and Replacement Procedures25. Remove the Phillips PM2.0×6.0 screw 1 that secures the display inverter to the

Removal and Replacement ProceduresMaintenance and Service Guide 5–4528. Remove the two Phillips PM2.0×6.0 screws 1 that secure the display panel to th

5–46 Maintenance and Service GuideRemoval and Replacement Procedures✎The display hinges are included in the Display Bracket Kit, spare part number 431

Removal and Replacement ProceduresMaintenance and Service Guide 5–4732. If it is necessary to replace the wireless antenna transceivers and cables, re

Product DescriptionMaintenance and Service Guide 1–73Battery light Amber: A battery pack is charging. Green: A battery pack is close to full charge

5–48 Maintenance and Service GuideRemoval and Replacement Procedures5.16 Button Board1. Prepare the computer for disassembly (Section 5.3) and remove

Removal and Replacement ProceduresMaintenance and Service Guide 5–492. Disconnect the button board cable 1 from the system board.3. Remove the Phillip

5–50 Maintenance and Service GuideRemoval and Replacement Procedures4. Lift the left side of the button board 1.5. Slide the button board to the left

Removal and Replacement ProceduresMaintenance and Service Guide 5–515.17 Top Cover1. Prepare the computer for disassembly (Section 5.3) and remove the

5–52 Maintenance and Service GuideRemoval and Replacement Procedures3. Remove the seven Torx8 T8M2.0×10.0 screws that secure the top cover to the comp

Removal and Replacement ProceduresMaintenance and Service Guide 5–534. Turn the computer right-side up with the front toward you.5. Remove the two Tor

5–54 Maintenance and Service GuideRemoval and Replacement Procedures8. Disconnect the TouchPad cable 1 from the system board.9. Lift the rear edge of

Removal and Replacement ProceduresMaintenance and Service Guide 5–555.18 TouchPad1. Prepare the computer for disassembly (Section 5.3) and remove the

5–56 Maintenance and Service GuideRemoval and Replacement Procedures3. Remove the four Phillips PM2.0×4.0 screws that secure the TouchPad bracket to t

Removal and Replacement ProceduresMaintenance and Service Guide 5–574. Lift the right side of the TouchPad bracket 1 until it rests at an angle.5. Sli

1–8 Maintenance and Service GuideProduct DescriptionThe external components on the right side of the computer are shown below and described in Table 1

5–58 Maintenance and Service GuideRemoval and Replacement Procedures6. Release the ZIF connector to which the TouchPad cable is attached and disconnec

Removal and Replacement ProceduresMaintenance and Service Guide 5–595.19 Speaker1. Prepare the computer for disassembly (Section 5.3) and remove the f

5–60 Maintenance and Service GuideRemoval and Replacement Procedures2. Disconnect the speaker cable 1 from the system board and route the cable under

Removal and Replacement ProceduresMaintenance and Service Guide 5–615.20 Infrared Board1. Prepare the computer for disassembly (Section 5.3) and remov

5–62 Maintenance and Service GuideRemoval and Replacement Procedures2. Release the ZIF connector to which the infrared board cable is connected and di

Removal and Replacement ProceduresMaintenance and Service Guide 5–635.21 System Board✎When replacing the system board, be sure that the following comp

5–64 Maintenance and Service GuideRemoval and Replacement Procedures2. Disconnect the Bluetooth module cable 1 from the system board and remove the ca

Removal and Replacement ProceduresMaintenance and Service Guide 5–654. Remove the Torx8 T8M2.0×8.0 screw 1 that secures the display support frame to t

5–66 Maintenance and Service GuideRemoval and Replacement Procedures✎The thermal paste should be thoroughly cleaned from the surfaces of the video chi

Removal and Replacement ProceduresMaintenance and Service Guide 5–678. Lift the left side of the system board 1 until the hard drive connector 2 is cl

Product DescriptionMaintenance and Service Guide 1–9Table 1-2Right-Side ComponentsItem Component Function1Audio-out (headphone) jackConnects an option

5–68 Maintenance and Service GuideRemoval and Replacement Procedures5.22 Modem Module1. Prepare the computer for disassembly (Section 5.3) and remove

Removal and Replacement ProceduresMaintenance and Service Guide 5–693. Disconnect the modem module cable from the two connectors 1 on the system board

5–70 Maintenance and Service GuideRemoval and Replacement Procedures5.23 RTC Battery1. Prepare the computer for disassembly (Section 5.3) and remove t

Removal and Replacement ProceduresMaintenance and Service Guide 5–713. Remove the RTC battery from the system board socket.Removing the RTC BatteryRev

Maintenance and Service Guide 6–16SpecificationsThis chapter provides physical and performance specifications.Table 6-1ComputerDimensions Metric U.S.H

6–2 Maintenance and Service GuideSpecificationsRelative humidity (noncondensing)OperatingNonoperating10% to 90%5% to 95%10% to 90%5% to 95%Maximum alt

SpecificationsMaintenance and Service Guide 6–3Table 6-212.1-inch, XGA, TFT DisplayDimensionsHeightWidthDiagonal20.7 cm33.1 cm39.1 cm8.1 in13.0 in15.4

6–4 Maintenance and Service GuideSpecificationsTable 6-3Hard Drives100-GB* 80-GB* 60-GB*DimensionsHeightWidthWeight9.5 mm70 mm99 g9.5 mm70 mm102 g9.5

SpecificationsMaintenance and Service Guide 6–5Table 6-4Primary 6-cell, Li-Ion Battery PackDimensionsHeightWidthDepthWeight2.00 cm9.40 cm13.40 cm0.34

6–6 Maintenance and Service GuideSpecificationsTable 6-5System DMAHardware DMA System FunctionDMA0 Not applicableDMA1* Not applicableDMA2* Not applica

1–10 Maintenance and Service GuideProduct DescriptionThe external components on the left side of the computer are shown below and described in Table 1

SpecificationsMaintenance and Service Guide 6–7Table 6-6System InterruptsHardware IRQ System FunctionIRQ0 System timerIRQ1 Standard 101-/102-Key or Mi

6–8 Maintenance and Service GuideSpecificationsIRQ11 Intel USB EHCI controller—24CDIntel USB UHCI controller—24C4Intel USB UHCI controller—24C7Intel P

SpecificationsMaintenance and Service Guide 6–9Table 6-7System I/O AddressesI/O Address (hex) System Function (shipping configuration)000 - 00F DMA co

6–10 Maintenance and Service GuideSpecificationsI/O Address (hex) System Function (shipping configuration)0A2 - 0BF Unused0C0 - 0DF DMA controller no.

SpecificationsMaintenance and Service Guide 6–11I/O Address (hex) System Function (shipping configuration)2F0 - 2F7 Unused2F8 - 2FF Infrared port300 -

6–12 Maintenance and Service GuideSpecificationsTable 6-8System Memory MapSize Memory Address System Function640 KB 00000000-0009FFFF Base memory128 K

Maintenance and Service Guide A–1A Screw ListingThis appendix provides specification and reference information for the screws and screw locks used in

A–2 Maintenance and Service GuideScrew ListingPhillips PM2.0×5.0 Screw LocationsTable A-1Phillips PM2.0×5.0 ScrewColor Qty. Length ThreadHead WidthBla

Screw ListingMaintenance and Service Guide A–3Phillips PM2.0×5.0 Screw LocationsTable A-1Phillips PM2.0×5.0 Screw (Continued)Color Qty. Length ThreadH

A–4 Maintenance and Service GuideScrew ListingPhillips PM2.5×13.0 and Phillips PM3.0×4.0 Screw LocationsTable A-2Phillips PM2.5×13.0 Spring-Loaded Har

Product DescriptionMaintenance and Service Guide 1–113 Wireless button Turns the wireless functionality of the WLAN or Bluetooth device on or off, but

Screw ListingMaintenance and Service Guide A–5Torx T8M2.0×20.0 Screw LocationsTable A-4Torx T8M2.0×20.0 ScrewColor Qty. Length ThreadHead WidthBlack 8

A–6 Maintenance and Service GuideScrew ListingTorx T8M2.0×20.0 Screw LocationsTable A-4Torx T8M2.0×20.0 Screw (Continued)Color Qty. Length ThreadHead

Screw ListingMaintenance and Service Guide A–7Torx T8M2.0×20.0 Screw LocationsTable A-4Torx T8M2.0×20.0 Screw (Continued)Color Qty. Length ThreadHead

A–8 Maintenance and Service GuideScrew ListingTorx T8M2.0×20.0 Screw LocationsTable A-4Torx T8M2.0×20.0 Screw (Continued)Color Qty. Length ThreadHead

Screw ListingMaintenance and Service Guide A–9Torx T8M2.0×10.0 Screw LocationsTable A-5Torx T8M2.0×10.0 ScrewColor Qty. Length ThreadHead WidthBlack 1

A–10 Maintenance and Service GuideScrew ListingTorx T8M2.0×10.0 Screw LocationsTable A-5Torx T8M2.0×10.0 Screw (Continued)Color Qty. Length ThreadHead

Screw ListingMaintenance and Service Guide A–11Torx T8M2.0×5.0 Screw LocationTable A-6Torx T8M2.0×5.0 ScrewColor Qty. Length ThreadHead WidthBlack 8 5

A–12 Maintenance and Service GuideScrew ListingTorx T8M2.0×5.0 Screw LocationsTable A-6Torx T8M2.0×5.0 Screw (Continued)Color Qty. Length ThreadHead W

Screw ListingMaintenance and Service Guide A–13Torx T8M2.0×5.0 Screw LocationsTable A-6Torx T8M2.0×5.0 Screw (Continued)Color Qty. Length ThreadHead W

A–14 Maintenance and Service GuideScrew ListingTorx T8M2.0×8.0 Screw LocationsTable A-7Torx T8M2.0×8.0 ScrewColor Qty. Length ThreadHead WidthBlack 5

1–12 Maintenance and Service GuideProduct DescriptionThe external components on the rear panel of the computer are shown below and described in Table

Screw ListingMaintenance and Service Guide A–15Torx T8M2.0×8.0 Screw LocationTable A-7Torx T8M2.0×8.0 Screw (Continued)Color Qty. Length ThreadHead Wi

A–16 Maintenance and Service GuideScrew ListingPhillips PM2.5×7.0 Screw LocationsTable A-8Phillips PM2.5×7.0 ScrewColor Qty. Length ThreadHead WidthBl

Screw ListingMaintenance and Service Guide A–17Phillips PM2.0×4.0 Screw LocationsTable A-9Phillips PM2.0×4.0 ScrewColor Qty. Length ThreadHead WidthSi

A–18 Maintenance and Service GuideScrew ListingPhillips PM2.0×4.0 Screw LocationsTable A-9Phillips PM2.0×4.0 Screw (Continued)Color Qty. Length Thread

Screw ListingMaintenance and Service Guide A–19Phillips PM2.0×4.0 Screw LocationsTable A-9Phillips PM2.0×4.0 Screw (Continued)Color Qty. Length Thread

A–20 Maintenance and Service GuideScrew ListingPhillips PM2.0×4.0 Screw LocationsTable A-9Phillips PM2.0×4.0 Screw (Continued)Color Qty. Length Thread

Screw ListingMaintenance and Service Guide A–21Phillips PM2.0×6.0 Screw LocationsTable A-10Phillips PM2.0×6.0 ScrewColor Qty. Length ThreadHead WidthS

A–22 Maintenance and Service GuideScrew ListingPhillips PM2.0×6.0 Screw LocationTable A-10Phillips PM2.0×6.0 Screw (Continued)Color Qty. Length Thread

Screw ListingMaintenance and Service Guide A–23Phillips PM2.0×6.0 Screw LocationsTable A-10Phillips PM2.0×6.0 Screw (Continued)Color Qty. Length Threa

A–24 Maintenance and Service GuideScrew ListingPhillips PM2.0×6.0 Screw LocationsTable A-10Phillips PM2.0×6.0 Screw (Continued)Color Qty. Length Threa

Product DescriptionMaintenance and Service Guide 1–13Table 1-4Rear Panel ComponentsItem Component Function1 USB port Connects USB 1.1- and 2.0-complia

Maintenance and Service Guide B–1BSoftware Backup andRecoveryBackupHP Backup and Recovery Manager provides several ways to back up the system and to r

B–2 Maintenance and Service GuideSoftware Backup and RecoveryBacking Up the SystemUsing HP Backup and Restore Manager, you can Back up specific files

Software Backup and RecoveryMaintenance and Service Guide B–3Backing Up the Entire Hard DriveWhen you perform a complete backup of the hard drive, you

B–4 Maintenance and Service GuideSoftware Backup and RecoveryBacking Up Modifications Made to the SystemWhen you back up modifications since your last

Software Backup and RecoveryMaintenance and Service Guide B–5Scheduling BackupsTo schedule backups:1. Select Start > All Programs > HP Backup &a

B–6 Maintenance and Service GuideSoftware Backup and RecoveryHP Backup and Recovery Manager allows you to Create recovery discs (highly recommended).

Software Backup and RecoveryMaintenance and Service Guide B–7Before creating recovery discs: Obtain high-quality CD-R, DVD-R, or DVD+R media, purchas

B–8 Maintenance and Service GuideSoftware Backup and RecoveryPerforming a Recovery from the Hard DriveThere are 2 ways to initiate a recovery from the

Maintenance and Service Guide C–1CDisplay Component RecyclingÅWARNING: The backlight contains mercury. Caution should be exercised when removing and h

C–2 Maintenance and Service GuideDisplay Component RecyclingThis appendix provides disassembly instructions for the display assembly. The display asse

© Copyright 2006 Hewlett-Packard Development Company, L.P.Microsoft and Windows are U.S. registered trademarks of Microsoft Corporation. Intel, Celero

1–14 Maintenance and Service GuideProduct DescriptionThe standard keyboard components of the computer are shown below and described in Table 1-5.Stand

Display Component RecyclingMaintenance and Service Guide C–3Perform the following steps to disassemble the display assembly:1. Remove all screw covers

C–4 Maintenance and Service GuideDisplay Component Recycling2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edge

Display Component RecyclingMaintenance and Service Guide C–54. Disconnect all display panel cables 1 from the display inverter and remove the inverter

C–6 Maintenance and Service GuideDisplay Component Recycling5. Remove all screws 1 that secure the display panel assembly to the display enclosure.6.

Display Component RecyclingMaintenance and Service Guide C–77. Turn the display panel assembly upside down.8. Remove all screws that secure the displa

C–8 Maintenance and Service GuideDisplay Component Recycling9. Use a sharp-edged tool to cut the tape 1 that secures the sides of the display panel to

Display Component RecyclingMaintenance and Service Guide C–911. Remove the screws 1 that secure the backlight cover to the display panel.12. Lift the

C–10 Maintenance and Service GuideDisplay Component Recycling14. Turn the display panel right-side up.15. Remove the backlight cables 1 from the clip

Display Component RecyclingMaintenance and Service Guide C–1116. Turn the display panel upside down.17. Remove the backlight frame from the display pa

C–12 Maintenance and Service GuideDisplay Component RecyclingÅWARNING: The backlight contains mercury. Caution should be exercised when removing and h

Product DescriptionMaintenance and Service Guide 1–15Table 1-5Standard Keyboard ComponentsItem Component Function1 Function keys (6) Perform system an

Display Component RecyclingMaintenance and Service Guide C–1319. Disconnect the display cable 1 from the LCD panel.20. Remove the screws 2 that secure

C–14 Maintenance and Service GuideDisplay Component Recycling23. Remove the LCD panel.Removing the LCD Panel24. Recycle the LCD panel and backlight.

Maintenance and Service Guide D–1DConnector Pin AssignmentsTable D-1Audio-Out (Headphone)Pin Signal Pin Signal1 Audio out, left channel 3 Ground2 Audi

D–2 Maintenance and Service GuideConnector Pin AssignmentsTable D-2Audio-In (Microphone)Pin Signal Pin Signal1 Audio signal in 3 Ground2 Audio signal

Connector Pin AssignmentsMaintenance and Service Guide D–3Table D-4S-Video-OutPin Signal Pin Signal1 S-VHS color (C) signal 5 TV-CD2 Composite video s

D–4 Maintenance and Service GuideConnector Pin AssignmentsTable D-5External MonitorPin Signal Pin Signal1 Red analog 9 +5 VDC2 Green analog 10 Ground3

Connector Pin AssignmentsMaintenance and Service Guide D–5Table D-6RJ-11 (Modem)Pin Signal Pin Signal1 Unused 4 Unused2Tip 5Unused3 Ring 6 Unused

D–6 Maintenance and Service GuideConnector Pin AssignmentsTable D-7RJ-45 (Network)Pin Signal Pin Signal1 Transmit + 5 Unused2 Transmit – 6 Receive –3

Maintenance and Service Guide E–1EPower Cord Set Requirements3-Conductor Power Cord SetThe wide range input feature of the computer permits it to oper

E–2 Maintenance and Service GuidePower Cord Set RequirementsGeneral RequirementsThe requirements listed below are applicable to all countries. The le

1–16 Maintenance and Service GuideProduct DescriptionThe computer top components are shown below and described in Table 1-6.Top Components

Power Cord Set RequirementsMaintenance and Service Guide E–3Country-Specific Requirements3-Conductor Power Cord Set RequirementsCountry/Region Accredi

E–4 Maintenance and Service GuidePower Cord Set RequirementsKorea EK 4The Netherlands KEMA 1Norway NEMKO 1People’s Republic of ChinaCCC 5Sweden SEMKO

Maintenance and Service Guide Index–1IndexAaccessory battery connector 1–19arrow keys 1–15audio troubleshooting 2–21audio-in jacklocation 1–9pin assig

Index–2 Maintenance and Service GuideIndexleft-side 1–10, 1–12rear 1–10, 1–12right-side 1–8top 1–16computer feetillustrated 3–13locations 5–11Computer

IndexMaintenance and Service Guide Index–3Display Rubber Screw Cover Kit, spare part number 3–12, 3–21docking connector 1–19drive light 1–7drives, pre

Index–4 Maintenance and Service GuideIndexhard drive coverillustrated 3–13location 1–19removal 5–8spare part number 3–10, 3–20hard drive frame, remova

IndexMaintenance and Service Guide Index–5microphone 1–7disconnecting 5–38illustrated 3–11removal 5–43spare part number 3–12, 3–21, 5–43microphone jac

Index–6 Maintenance and Service GuideIndexpower management features 1–5power supply, spare part number 3–16, 3–20power switch 1–11power, troubleshooti

IndexMaintenance and Service Guide Index–7system DMA 6–6system memory map 6–12Tthermal paste, replacing 5–27, 5–66thermal shieldremoval 5–65spare part

Product DescriptionMaintenance and Service Guide 1–17Table 1-6Top ComponentsItem Component Function1 Left and right TouchPad buttons (2)Function like

1–18 Maintenance and Service GuideProduct DescriptionThe external components on the bottom of the computer are shown below and described in Table 1-7.

Product DescriptionMaintenance and Service Guide 1–19Table 1-7Bottom ComponentsItem Component Function1 Base enclosure cover Covers the display cable

1–20 Maintenance and Service GuideProduct Description1.5 Design OverviewThis section presents a design overview of key parts and features of the compu

Maintenance and Service Guide 2–12TroubleshootingÅWARNING: Only authorized technicians trained by HP should repair this equipment. All troubleshooting

2–2 Maintenance and Service GuideTroubleshooting2. Select the File, Security, Diagnostics, or System Configuration menu.3. To close Computer Setup and

TroubleshootingMaintenance and Service Guide 2–3Selecting from the Security MenuTable 2-2Security MenuSelect To Do ThisSetup Password Enter, change, o

Maintenance and Service Guide iiiContents1 Product Description1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–21

2–4 Maintenance and Service GuideTroubleshootingSelecting from the Diagnostics MenuTable 2-3Diagnostics MenuSelect To Do ThisHDD Self-Test Options Run

TroubleshootingMaintenance and Service Guide 2–5Selecting from the System Configuration MenuTable 2-4System Configuration MenuSelect To Do ThisLanguag

2–6 Maintenance and Service GuideTroubleshooting2.2 Troubleshooting FlowchartsTable 2-5Troubleshooting Flowcharts OverviewFlowchart Description2.1 “Fl

TroubleshootingMaintenance and Service Guide 2–7Flowchart 2.1—Initial TroubleshootingConnectingto networkor modem?Begintroubleshooting.Is therepower?I

2–8 Maintenance and Service GuideTroubleshootingFlowchart 2.2—No Power, Part 11. Reset the power cables in the docking device and at the AC outlet.2.

TroubleshootingMaintenance and Service Guide 2–9Flowchart 2.3—No Power, Part 2Continued from“Flowchart 2.2—No Power, Part 1.”Visually check fordebris

2–10 Maintenance and Service GuideTroubleshootingFlowchart 2.4—No Power, Part 3Continued from“Flowchart 2.3—No Power, Part 2.”Reseat AC adapterin comp

TroubleshootingMaintenance and Service Guide 2–11Flowchart 2.5—No Power, Part 4YNContinued from“Flowchart 2.4—No Power, Part 3.”Reseat loosecomponents

2–12 Maintenance and Service GuideTroubleshootingFlowchart 2.6—No Video, Part 1ANStand-aloneor docking device?No video.Replace the following one at a

TroubleshootingMaintenance and Service Guide 2–13Flowchart 2.7—No Video, Part 2YNContinued from“Flowchart 2.6—No Video, Part 1.”DoneAdjust externalmon

iv Maintenance and Service GuideContents3 Illustrated Parts Catalog3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3–13.2 Com

2–14 Maintenance and Service GuideTroubleshootingFlowchart 2.8—Nonfunctioning Docking Device(if applicable)YNReset power cord in docking device andpow

TroubleshootingMaintenance and Service Guide 2–15Flowchart 2.9—No Operating System (OS) LoadingNo OS loading from hard drive,go to “Flowchart 2.10—No

2–16 Maintenance and Service GuideTroubleshootingFlowchart 2.10—No OS Loading, Hard Drive, Part 1Go to“Flowchart 2.17—Nonfunctioning Device.”YDoneNOS

TroubleshootingMaintenance and Service Guide 2–17Flowchart 2.11—No OS Loading, Hard Drive, Part 2Load OS using Operating System disc (if applicable).C

2–18 Maintenance and Service GuideTroubleshootingFlowchart 2.12—No OS Loading, Hard Drive, Part 3YSystemfiles on harddrive?Continued from“Flowchart 2.

TroubleshootingMaintenance and Service Guide 2–19Flowchart 2.13—No OS Loading, Diskette DriveDoneYNReseatdiskette drive.OS not loadingfromdiskette dri

2–20 Maintenance and Service GuideTroubleshootingFlowchart 2.14—No OS Loading, Optical DriveYDoneNBootabledisc indrive?Discin drive?No OSloading fromC

TroubleshootingMaintenance and Service Guide 2–21Flowchart 2.15—No Audio, Part 1No audio.NComputer indocking device(if applicable)?Internalaudio?Audio

2–22 Maintenance and Service GuideTroubleshootingFlowchart 2.16—No Audio, Part 2YNContinued from “Flowchart 2.15—No Audio, Part 1.”Reloadaudio drivers

TroubleshootingMaintenance and Service Guide 2–23Flowchart 2.17—Nonfunctioning DeviceDoneAny physicaldevice detected?YNUnplug the nonfunctioning devic

ContentsMaintenance and Service Guide v5 Removal and Replacement Procedures5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2–24 Maintenance and Service GuideTroubleshootingFlowchart 2.18—Nonfunctioning KeyboardYNOK?Keyboardnot operating properly.Externaldeviceworks?Replace

TroubleshootingMaintenance and Service Guide 2–25Flowchart 2.19—Nonfunctioning Pointing DeviceYNOK?Pointing devicenot operatingproperly.Externaldevice

2–26 Maintenance and Service GuideTroubleshootingFlowchart 2.20—No Network/Modem ConnectionYDisconnect allpower fromthe computerand open.No networkor

Maintenance and Service Guide 3–13Illustrated Parts CatalogThis chapter provides an illustrated parts breakdown and a reference for spare part numbers

3–2 Maintenance and Service GuideIllustrated Parts Catalog3.2 Computer Major ComponentsComputer Major Components

Illustrated Parts CatalogMaintenance and Service Guide 3–3Table 3-1Spare Parts: Computer Major ComponentsItem DescriptionSpare Part Number1 12.1-inch,

3–4 Maintenance and Service GuideIllustrated Parts CatalogComputer Major Components

Illustrated Parts CatalogMaintenance and Service Guide 3–5Table 3-1Spare Parts: Computer Major Components (Continued)Item DescriptionSpare Part Number

3–6 Maintenance and Service GuideIllustrated Parts CatalogComputer Major Components

Illustrated Parts CatalogMaintenance and Service Guide 3–7Table 3-1Spare Parts: Computer Major Components (Continued)Item DescriptionSpare Part Number

vi Maintenance and Service GuideContents6 SpecificationsA Screw ListingB Software Backup and RecoveryC Display Component RecyclingD Connector Pin Ass

3–8 Maintenance and Service GuideIllustrated Parts CatalogComputer Major Components

Illustrated Parts CatalogMaintenance and Service Guide 3–9Table 3-1Spare Parts: Computer Major Components (Continued)Item DescriptionSpare Part Number

3–10 Maintenance and Service GuideIllustrated Parts Catalog3.3 Display Assembly Components

Illustrated Parts CatalogMaintenance and Service Guide 3–11Table 3-2Display Assembly ComponentsSpare Parts Number InformationItem DescriptionSpare Par

3–12 Maintenance and Service GuideIllustrated Parts Catalog3.4 Plastics KitTable 3-3Plastics KitSpare Part Number InformationItemDescriptionSpare Part

Illustrated Parts CatalogMaintenance and Service Guide 3–133.5 Cable KitTable 3-4Cable KitSpare Part Number InformationItemDescriptionSpare Part Numbe

3–14 Maintenance and Service GuideIllustrated Parts Catalog3.6 Miscellaneous (Not Illustrated)Table 3-5Miscellaneous Spare Part InformationDescription

Illustrated Parts CatalogMaintenance and Service Guide 3–15Power supply, 65 watt 419107-001Power cordsFor use in:Australia and New Zealand 350188-011B

3–16 Maintenance and Service GuideIllustrated Parts Catalog3.7 Sequential Part Number ListingTable 3-6Sequential Part Number ListingSpare Part Number

Illustrated Parts CatalogMaintenance and Service Guide 3–17350188-331 Power cord for use in the Netherlands350188-AA1 Power cord for use in the People

Maintenance and Service Guide 1–11Product DescriptionThe HP Compaq nc4400 Notebook PC offers advanced modularity, Intel® Core™ Duo and Celeron® M proc

3–18 Maintenance and Service GuideIllustrated Parts Catalog375557-001 DVD±RW and CD-RW Double-Layer Combo Drive (for use in External MultiBay II and H

Illustrated Parts CatalogMaintenance and Service Guide 3–19413267-001 HP Docking Station419107-001 65-watt power supply419108-001 Wireless Antenna Kit

3–20 Maintenance and Service GuideIllustrated Parts Catalog419132-001 Logo Kit419133-001 Display bezel (includes fingerprint reader board)419134-001 D

Illustrated Parts CatalogMaintenance and Service Guide 3–21419157-001 Plastics Kit419159-001 Intel Celeron M 1.60-GHz processor (includes thermal past

3–22 Maintenance and Service GuideIllustrated Parts Catalog419171-141 Keyboard with pointing stick for use in Turkey419171-151 Keyboard with pointing

Maintenance and Service Guide 4–14Removal and ReplacementPreliminariesThis chapter provides essential information for proper and safe removal and repl

4–2 Maintenance and Service GuideRemoval and Replacement Preliminaries4.2 Service ConsiderationsThe following sections include some of the considerati

Removal and Replacement PreliminariesMaintenance and Service Guide 4–34.3 Preventing Damage to Removable DrivesRemovable drives are fragile components

4–4 Maintenance and Service GuideRemoval and Replacement Preliminaries4.4 Preventing Electrostatic DamageMany electronic components are sensitive to e

Removal and Replacement PreliminariesMaintenance and Service Guide 4–54.5 Packaging and Transporting PrecautionsUse the following grounding precaution

1–2 Maintenance and Service GuideProduct Description1.1 Features Intel Core Duo T2600 (2.17-GHz), T2500 (2.00-GHz), T2400 (1.83-GHz), and T2300 (1.67

4–6 Maintenance and Service GuideRemoval and Replacement Preliminaries4.6 Workstation PrecautionsUse the following grounding precautions at workstatio

Removal and Replacement PreliminariesMaintenance and Service Guide 4–74.7 Grounding Equipment and MethodsGrounding equipment must include either a wri

4–8 Maintenance and Service GuideRemoval and Replacement PreliminariesTable 4-1 shows how humidity affects the electrostatic voltage levels generated

Maintenance and Service Guide 5–15Removal and ReplacementProceduresThis chapter provides removal and replacement procedures.There are as many as 70 sc

5–2 Maintenance and Service GuideRemoval and Replacement Procedures5.1 Serial NumberReport the computer serial number to HP when requesting informatio

Removal and Replacement ProceduresMaintenance and Service Guide 5–35.2 Disassembly Sequence ChartUse the chart below to determine the section number t

5–4 Maintenance and Service GuideRemoval and Replacement ProceduresSection Description# of Screws Removed5.14 Mini Card WLAN Module 2ÅTo prevent an un

Removal and Replacement ProceduresMaintenance and Service Guide 5–55.3 Preparing the Computer for DisassemblyBefore you begin any removal or installat

5–6 Maintenance and Service GuideRemoval and Replacement Procedures4. Remove the battery pack by following these steps:a. Turn the computer upside dow

Removal and Replacement ProceduresMaintenance and Service Guide 5–75.4 Hard Drive1. Prepare the computer for disassembly (Section 5.3).Hard Drive Spar

Product DescriptionMaintenance and Service Guide 1–3 External 65-watt AC adapter with 3-wire power cord 6-cell Li-Ion battery pack Audio speaker V

5–8 Maintenance and Service GuideRemoval and Replacement Procedures2. Loosen the two Phillips PM2.0×5.0 screws 1 that secure the hard drive cover to t

Removal and Replacement ProceduresMaintenance and Service Guide 5–94. Loosen the Phillips PM2.5×13.0 hard drive retention screw 1.5. Grasp the mylar t

5–10 Maintenance and Service GuideRemoval and Replacement Procedures7. Remove the four Phillips PM3.0×4.0 screws 1 that secure the hard drive frame to

Removal and Replacement ProceduresMaintenance and Service Guide 5–115.5 Computer FeetThe computer feet are adhesive-backed rubber pads. The feet are i

5–12 Maintenance and Service GuideRemoval and Replacement Procedures5.6 Bluetooth Module1. Prepare the computer for disassembly (Section 5.3).2. Remov

Removal and Replacement ProceduresMaintenance and Service Guide 5–136. Slide the Bluetooth module out of the computer 1.7. Disconnect the Bluetooth mo

5–14 Maintenance and Service GuideRemoval and Replacement Procedures5.7 External Memory Module1. Prepare the computer for disassembly (refer to Sectio

Removal and Replacement ProceduresMaintenance and Service Guide 5–153. Loosen the two Phillips PM2.0×5.0 screws 1 that secure the memory module compar

5–16 Maintenance and Service GuideRemoval and Replacement Procedures5. Spread the retaining tabs 1 on each side of the memory module socket to release

Removal and Replacement ProceduresMaintenance and Service Guide 5–175.8 Keyboard Cover1. Prepare the computer for disassembly (Section 5.3).2. Positio