Page 1 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...
Page 2 The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and 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.
Page 3: Table Of Contents
1 Product Description 1.1 Features ........1–2 1.2 Resetting the Computer.
Page 4 Contents 3 Illustrated Parts Catalog 3.1 Serial Number Location ..... . 3–1 3.2 Computer Major Components....3–2 3.3 Display Assembly Components .
Page 5 Contents 5 Removal and Replacement Procedures 5.1 Serial Number ......5–2 5.2 Disassembly Sequence Chart .
Page 6: Specifications
Contents 6 Specifications Screw Listing B Software Backup and Recovery C Display Component Recycling D Connector Pin Assignments E Power Cord Set Requirements Index Maintenance and Service Guide...
Page 7: Product Description
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...
Page 8: Features
Product Description 1.1 Features ■ Intel Core Duo T2600 (2.17-GHz), T2500 (2.00-GHz), T2400 (1.83-GHz), and T2300 (1.67-GHz) or Intel Celeron M 1.60-GHz processors, varying by computer model ■ 12.1-inch, XGA, TFT (1024 × 768) display with over 16.8 million colors ■...
Page 9 ■ External 65-watt AC adapter with 3-wire power cord ■ 6-cell Li-Ion battery pack ■ Audio speaker ■ Volume up, volume mute, and volume down buttons ■ Connectors: ❏ Infrared ❏ Audio-out (headphone) ❏ Audio-in (microphone) ❏ Universal Serial Bus (USB) v. 2.0 (3 ports, 1 powered) ❏...
Page 10: Resetting The Computer
Product Description 1.2 Resetting the Computer If the computer you are servicing has an unknown password, follow the steps below to reset the password. These steps also clear CMOS. ✎ The following steps will not clear an unknown password if the stringent security option has been enabled in the BIOS.
Page 11: Power Management
1.3 Power Management The computer comes with power management features that extend battery pack operating time and conserve power. The computer supports the following power management features: ■ Standby ■ Hibernation ■ Setting customization by the user ■ Hotkeys for setting the level of performance ■...
Page 12: External Components
■ 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. Maintenance and Service Guide...
Page 13 ■ Blinking green: The hard drive or optical drive is being accessed. ■ Amber: HP Mobile Data Protection has temporarily parked the hard drive. Provides wireless communication between the computer and an optional IrDA-compliant device.
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...
Page 15: Right-Side Components
Item Component Audio-out (headphone) jack Audio-in (microphone) jack Powered USB port PC Card slot or optional smart card reader Digital Media Slot Maintenance and Service Guide Table 1-2 Right-Side Components Function Connects an optional headphone or powered stereo speakers. Also connects the audio function of an audio/video device, such as a television or VCR.
Page 16: Left-Side Components
Product Description The external components on the left side of the computer are shown below and described in Table 1-3. Left-Side Components Item Component Security cable slot Vent 1–10 Table 1-3 Left-Side Components Function Attaches an optional security cable to the computer.
Page 17 Left-Side Components (Continued) Item Component Wireless button USB port Info Center button Power switch Speaker Maintenance and Service Guide Table 1-3 Function Turns the wireless functionality of the WLAN or Bluetooth device on or off, but does not establish a connection. ✎...
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...
Page 19: Rear Panel Components
Item Component USB port RJ-11 (modem) jack RJ-45 (network) jack Smart adapter power connector External monitor port S-Video-out jack Maintenance and Service Guide Table 1-4 Rear Panel Components Function Connects USB 1.1- and 2.0-compliant devices to the computer using a standard USB cable.
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...
Page 21 Standard Keyboard Components Item Component Function keys (6) caps lock key fn key Windows logo key Windows applications key Arrow keys Embedded numeric keypad num lock key Maintenance and Service Guide Table 1-5 Function Perform system and application tasks. When combined with the fn key, the function keys f3, f4, and f8 through f11 perform additional tasks as hotkeys.
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...
Page 23: Top Components
Item Component Left and right TouchPad buttons (2) TouchPad Left and right pointing stick buttons (2) Pointing stick Vent Presentation button Volume mute button Volume down button Volume up button TouchPad scroll zone Maintenance and Service Guide Table 1-6 Top Components Function Function like the left and right buttons on an external mouse.
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...
Page 25: Bottom Components
Function Covers the display cable and connector. Connects the computer to an optional docking device. Connects an optional HP Ultra-Capacity Battery or HP Extended Life Battery. Provides airflow to cool internal components. ✎ To prevent overheating, do not obstruct vents. Use the computer only a hard, flat surface.
Page 26: Design Overview
Product Description 1.5 Design Overview This section presents a design overview of key parts and features of the computer. Refer to to identify replacement parts, and Replacement Procedures,” The system board provides the following device connections: ■ Audio ■ Bluetooth ■...
Page 27: Troubleshooting
Å WARNING: Only authorized technicians trained by HP should repair this equipment. All troubleshooting and repair procedures are detailed to allow only subassembly-/module-level repair. Because of the complexity of the individual boards and subassemblies, do not attempt to make repairs at the component level or modifications to any printed wiring board.
Page 28: Selecting From The File Menu
Troubleshooting 2. Select the File, Security, Diagnostics, or System Configuration menu. 3. To close Computer Setup and restart the computer: ❏ Select File > Save changes and exit, and then press – or – ❏ Select File > Ignore changes and exit, and then press –...
Page 29: Selecting From The Security Menu
Selecting from the Security Menu Select Setup Password Power-On Password Password Options (Password options can be selected only when a power-on password has been set.) DriveLock Passwords Smart Card Security TPM Embedded Security System IDs Disk Sanitizer *Not applicable to SuperDisk LS-120 drives. Maintenance and Service Guide Table 2-2 Security Menu...
Page 30: Selecting From The Diagnostics Menu
Troubleshooting Selecting from the Diagnostics Menu Select HDD Self-Test Options Memory Check 2–4 Table 2-3 Diagnostics Menu To Do This Run a quick comprehensive self test on hard drives in the system that support the test features. Run a quick comprehensive test on system memory on the following categories: ■...
Page 31: Selecting From The System Configuration Menu
Selecting from the System Configuration Menu Select Language Boot Options Device Configurations Built-In Device Options Port Options Maintenance and Service Guide Table 2-4 System Configuration Menu To Do This Change the Computer Setup language. Enable/disable MultiBoot, which sets a startup sequence that can include most bootable devices and media in the system.
Page 32: Troubleshooting Flowcharts
Troubleshooting 2.2 Troubleshooting Flowcharts Troubleshooting Flowcharts Overview Flowchart Description “Flowchart 2.1—Initial Troubleshooting” “Flowchart 2.2—No Power, Part 1” “Flowchart 2.3—No Power, Part 2” “Flowchart 2.4—No Power, Part 3” “Flowchart 2.5—No Power, Part 4” “Flowchart 2.6—No Video, Part 1” “Flowchart 2.7—No Video, Part 2” “Flowchart 2.8—Nonfunctioning Docking Device (if applicable)”...
Page 33: Flowchart 2.1—Initial Troubleshooting
Flowchart 2.1—Initial Troubleshooting Begin troubleshooting. Is there power? Beeps, LEDs, or error messages? Is there video? (no boot) Is the OS loading? Is there sound? Maintenance and Service Guide Go to “Flowchart 2.2—No Power, Part 1.” Check LED board, speaker connections.
Page 34: Flowchart 2.2—No Power, Part
Troubleshooting Flowchart 2.2—No Power, Part 1 No power (power LED is off). Remove from docking device (if applicable). Power up on battery power? Power up on AC power? Power up in docking device? 1. Reset the power cables in the docking device and at the AC outlet.
Page 35: Flowchart 2.3—No Power, Part
Flowchart 2.3—No Power, Part 2 Continued from “Flowchart 2.2—No Power, Part 1.” Visually check for debris in battery socket and clean if necessary. Power on? Check battery pack recharging it, moving it to another computer, Power on? Done Maintenance and Service Guide Done Replace power supply...
Page 36: Flowchart 2.4—No Power, Part
Troubleshooting Flowchart 2.4—No Power, Part 3 Continued from “Flowchart 2.3—No Power, Part 2.” Plug directly into AC outlet. Power LED Reseat AC adapter in computer and at power source. Power on? Power outlet active? Replace power cord. Power on? 2–10 Done Done Internal or...
Page 37: Flowchart 2.5—No Power, Part
Flowchart 2.5—No Power, Part 4 Continued from “Flowchart 2.4—No Power, Part 3.” Open computer. Loose or damaged parts? Close computer and retest. Power on? Done Maintenance and Service Guide Reseat loose components and boards and replace damaged items. Replace the following items (if applicable). Check computer operation after each replacement: 1.
Page 38: Flowchart 2.6—No Video, Part
Troubleshooting Flowchart 2.6—No Video, Part 1 No video. Docking Device Stand-alone or docking device? Stand-alone Internal or external display*? Internal External Adjust brightness. Video OK? Replace the following one at a time. Test after each replacement. Check for bent pins on cable. Video OK? Done 2–12...
Page 39: Flowchart 2.7—No Video, Part
Flowchart 2.7—No Video, Part 2 Continued from “Flowchart 2.6—No Video, Part 1.” Remove computer from docking device, if connected. Adjust display brightness. Video OK? Check that computer is properly seated in docking device, for bent pins on cable, and for monitor connection.
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. Docking device operating? Replace docking device. 2–14 Reinstall computer into docking device.
Page 41: Flowchart 2.9—No Operating System (Os) Loading
Flowchart 2.9—No Operating System (OS) Loading No OS loading.* Reset power cord in docking device and power outlet. *NOTE: Before beginning troubleshooting, always check cable connections, cable ends, and drives for bent or damaged pins. Maintenance and Service Guide No OS loading from hard drive, go to “Flowchart 2.10—No OS Loading, Hard Drive, Part 1.”...
Page 42 Troubleshooting Flowchart 2.10—No OS Loading, Hard Drive, Part 1 OS not loading from hard drive. Nonsystem disk message? Reseat external hard drive. OS loading? Boot from Check the Setup utility for correct booting order. Boot from hard drive? Done 2–16 Go to “Flowchart 2.11—No OS...
Page 43 Flowchart 2.11—No OS Loading, Hard Drive, Part 2 Continued from “Flowchart 2.10—No OS Loading, Hard Drive, Part 1.” 1. Replace CD or diskette in 2. Replace system drive? Remove diskette and reboot. Boot from hard drive? Boot 2.13—No OS from diskette drive? Diskette Drive.”...
Page 44 Troubleshooting Flowchart 2.12—No OS Loading, Hard Drive, Part 3 Continued from “Flowchart 2.11—No OS Loading, Hard Drive, Part 2.” System files on hard drive? Virus hard drive? Run SCANDISK and check for bad sectors. Can bad sectors be fixed? Fix bad sectors.
Page 45: Flowchart 2.13—No Os Loading, Diskette Drive
Flowchart 2.13—No OS Loading, Diskette Drive OS not loading from diskette drive. Nonsystem disk message? Boot from another device? Diskette drive enabled in the Setup Utility? Is diskette drive boot order correct? Change boot priority using 2.17—Nonfunctioning the Setup Utility. Maintenance and Service Guide Reseat diskette drive.
Page 46: Flowchart 2.14—No Os Loading, Optical Drive
Troubleshooting Flowchart 2.14—No OS Loading, Optical Drive No OS loading from CD-ROM or DVD-ROM drive. Boots from CD or DVD? Reseat drive. 2–20 Disc in drive? Install bootable disc. bootable disc. Done Boots from CD or DVD? Booting from another 2.17—Nonfunctioning device? Reset the computer.
Page 47: Flowchart 2.15—No Audio, Part
Flowchart 2.15—No Audio, Part 1 No audio. Computer in docking device (if applicable)? Go to “Flowchart 2.16—No Audio, Part 2.” 2.17—Nonfunctioning Maintenance and Service Guide Turn up audio internally or externally. Undock docking device. Go to “Flowchart Device.” Troubleshooting Audio? Done Go to Internal...
Page 48: Flowchart 2.16—No Audio, Part
Troubleshooting Flowchart 2.16—No Audio, Part 2 Continued from “Flowchart 2.15—No Audio, Part 1.” Audio driver in OS configured? Correct drivers for application? Connect to external speaker. Audio? 2–22 Reload audio drivers. Load drivers and set configuration in OS. Replace audio board and speaker connections...
Page 49: Flowchart 2.17—Nonfunctioning Device
Flowchart 2.17—Nonfunctioning Device Unplug the nonfunctioning device from the computer and inspect cables and plugs for bent or broken pins or Clear CMOS. Reattach device. Close computer, plug in power, and reboot. Device boots properly? Done Maintenance and Service Guide Nonfunctioning device.
Page 50: Flowchart 2.18—Nonfunctioning Keyboard
Troubleshooting Flowchart 2.18—Nonfunctioning Keyboard Keyboard not operating properly. Connect computer to good external keyboard. External device works? Reseat internal keyboard connector (if applicable). Done 2–24 Replace system board. Replace internal keyboard or cable. Replace system board. Done Maintenance and Service Guide...
Page 51 Flowchart 2.19—Nonfunctioning Pointing Device Pointing device not operating properly. Connect computer to good external pointing device. External device works? Reseat internal pointing device connector (if applicable). Done Maintenance and Service Guide Replace system board. Replace internal pointing device or cable. Replace system board.
Page 52 Troubleshooting Flowchart 2.20—No Network/Modem Connection No network or modem connection. Network or modem jack active? Digital line? NIC/modem configured in OS? Disconnect all power from the computer and open. Reseat NIC/modem (if applicable). 2–26 Replace jack or have jack activated. Connect to nondigital line.
Page 53: Illustrated Parts Catalog
Illustrated Parts Catalog This chapter provides an illustrated parts breakdown and a reference for spare part numbers. 3.1 Serial Number Location When ordering parts or requesting information, provide the computer serial number and computer model number located on the bottom of the computer. Serial Number Location Maintenance and Service Guide 3–1...
Page 54: Computer Major Components
Illustrated Parts Catalog 3.2 Computer Major Components Computer Major Components 3–2 Maintenance and Service Guide...
Page 55 Spare Parts: Computer Major Components Item 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 Brazil The Czech Republic Denmark Europe France French Canada Germany Greece Hungary...
Page 56 Illustrated Parts Catalog Computer Major Components 3–4 Maintenance and Service Guide...
Page 57 Spare Parts: Computer Major Components (Continued) Item Description Memory modules PC2, 5300 2048-MB 1024-MB 512-MB 256-MB PC2, 4200 2048-MB 1024-MB 512-MB 256-MB Mini Card WLAN module 802.11b/g Silverton WLAN module for use in most of the world (MOW) 802.11b/g Silverton WLAN module for use in the rest of the world (ROW) 802.11a/b/g FRLN WLAN card for MOW use 802.11a/b/g FRLN WLAN card for ROW use...
Page 58 Illustrated Parts Catalog Computer Major Components 3–6 Maintenance and Service Guide...
Page 59 Spare Parts: Computer Major Components (Continued) Item Description Heat sink (includes thermal paste) Thermal shield Hinge saddle Plastics Kit, includes: PC Card slot spacer Bluetooth board cover Hard drive cover Memory module compartment cover Not illustrated: Computer feet (5) Processors (include thermal paste) Intel Core Duo T2600 (2.17-GHz) Intel Core Duo T2500 (2.00-GHz) Intel Core Duo T2400 (1.83-GHz)
Page 60 Illustrated Parts Catalog Computer Major Components 3–8 Maintenance and Service Guide...
Page 61 Spare Parts: Computer Major Components (Continued) Item Description Base 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 Maintenance and Service Guide Table 3-1 Illustrated Parts Catalog Spare Part Number...
Page 62: Display Assembly Components
Illustrated Parts Catalog 3.3 Display Assembly Components 3–10 Maintenance and Service Guide...
Page 63: Display Assembly Components
Display Assembly Components Spare Parts Number Information Item Description Display bezel (includes fingerprint reader board) Display inverter Microphone 12.1-inch XGA TFT display panel Display Bracket Kit (includes display hinges) Wireless Antenna Kit Display enclosure Not illustrated: ■ Display Rubber Screw Cover Kit ■...
Page 64: Plastics Kit
Illustrated Parts Catalog 3.4 Plastics Kit Spare Part Number Information Description Item Plastics Kit Includes: Hard drive cover Bluetooth module cover PC Card slot bezel Memory module compartment cover Computer feet (5) 3–12 Table 3-3 Plastics Kit Maintenance and Service Guide Spare Part Number 419157-001...
Page 65: Cable Kit
3.5 Cable Kit Spare Part Number Information Description Item Cable Kit Includes: Button board cable Modem cable Bluetooth module cable Pointing stick cable Maintenance and Service Guide Table 3-4 Cable Kit Illustrated Parts Catalog Spare Part Number 419118-001 3–13...
Page 66: Miscellaneous (Not Illustrated)
MultiBay 24X DVD/CD-RW Combo Drive (for use in External MultiBay II and HP Docking Station) DVD±RW and CD-RW Double-Layer Combo Drive (for use in External MultiBay II and HP Docking Station) Screw Kit (includes the following screws; refer to Appendix A, “Screw Listing,”...
Page 67 Miscellaneous Spare Part Information (Continued) Description Power supply, 65 watt Power cords For use in: Australia and New Zealand Belgium, Europe, Greece, Norway, and Portugal Canada, French Canada, Latin America, Taiwan, Thailand, and the United States Denmark France Germany Hong Kong and the United Kingdom Israel Italy Japan...
Page 68: Sequential Part Number Listing
Illustrated Parts Catalog 3.7 Sequential Part Number Listing Sequential Part Number Listing Spare Part Number Description 337407-001 802.11a/b/g DynaStar WLAN Mini Card WLAN module for use in most of the world 337407-002 802.11a/b/g DynaStar WLAN Mini Card WLAN module for use in the rest of the world 337407-291 802.11a/b/g DynaStar WLAN Mini Card WLAN module for use...
Page 69: Sequential Part Number Listing
MultiBay 8X DVD-ROM Drive (for use in External MultiBay II and HP Docking Station) 373315-001 MultiBay 24X DVD/CD-RW Combo Drive (for use in External MultiBay II and HP Docking Station) 373556-001 Screw Kit 373888-001 802.11a/b/g FRLN WLAN Mini Card WLAN module for use...
Page 70 Spare Part Number Description 375557-001 DVD±RW and CD-RW Double-Layer Combo Drive (for use in External MultiBay II and HP Docking Station) 377408-001 802.11a/b/g ATMC WLAN Mini Card WLAN module for use in most of the world 377408-002 802.11a/b/g ATMC WLAN Mini Card WLAN module for use...
Page 71 Sequential Part Number Listing (Continued) Spare Part Number Description 413267-001 HP Docking Station 419107-001 65-watt power supply 419108-001 Wireless Antenna Kit (includes wireless antenna transceivers and cables) 419110-001 Base enclosure 419111-001 6-cell, 5.1-Ah battery pack 419112-001 Button board (includes button board cable)
Page 72 Illustrated Parts Catalog Sequential Part Number Listing (Continued) Spare Part Number Description 419132-001 Logo Kit 419133-001 Display bezel (includes fingerprint reader board) 419134-001 Display Cable Kit 419135-001 Display enclosure 419141-001 12.1-inch, XGA, TFT display panel 419142-001 Display Rubber Screw Cover Kit 419143-001 Modem module (high-speed 56K, includes modem module cable)
Page 73 Sequential Part Number Listing (Continued) Spare Part Number Description 419157-001 Plastics Kit 419159-001 Intel Celeron M 1.60-GHz processor (includes thermal paste) 419160-001 Speaker 419161-001 Heat sink 419162-001 Thermal shield (includes thermal pad) 419163-001 Top cover 419165-001 TouchPad (includes cable and bracket) 419171-001 Keyboard with pointing stick for use in the United States 419171-021...
Page 74 Illustrated Parts Catalog Sequential Part Number Listing (Continued) Spare Part Number Description 419171-141 Keyboard with pointing stick for use in Turkey 419171-151 Keyboard with pointing stick for use in Greece 419171-161 Keyboard with pointing stick for use in Latin America 419171-171 Keyboard with pointing stick for use in Saudi Arabia 419171-201...
Page 75: Removal And Replacement Preliminaries
Removal and Replacement 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 ■...
Page 76: Service Considerations
Removal and Replacement Preliminaries 4.2 Service Considerations The following sections include some of the considerations that you should keep in mind during disassembly and assembly procedures. ✎ As you remove each subassembly from the computer, place the subassembly (and all accompanying screws) away from the work area to prevent damage.
Page 77: Preventing Damage To Removable Drives
4.3 Preventing Damage to Removable Drives Removable drives are fragile components that must be handled with care. To prevent damage to the computer, damage to a removable drive, or loss of information, observe the following precautions: ■ Before removing or inserting a hard drive, shut down the computer.
Page 78: Preventing Electrostatic Damage
Removal and Replacement Preliminaries 4.4 Preventing Electrostatic Damage Many electronic components are sensitive to electrostatic discharge (ESD). Circuitry design and structure determine the degree of sensitivity. Networks built into many integrated circuits provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt silicon junctions.
Page 79: Packaging And Transporting Precautions
4.5 Packaging and Transporting Precautions Use the following grounding precautions when packaging and transporting equipment: ■ To avoid hand contact, transport products in static-safe containers, such as tubes, bags, or boxes. ■ Protect all electrostatic-sensitive parts and assemblies with conductive or approved containers or packaging. ■...
Page 80: Workstation Precautions
Removal and Replacement Preliminaries 4.6 Workstation Precautions Use the following grounding precautions at workstations: ■ Cover the workstation with approved static-shielding material (refer to ■ Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment. ■...
Page 81: Grounding Equipment And Methods
4.7 Grounding Equipment and Methods Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation. ■ When seated, wear a wrist strap connected to a grounded system. Wrist straps are flexible straps with a minimum of one megohm ±10% resistance in the ground cords.
Page 82: Typical Electrostatic Voltage Levels
Removal and Replacement Preliminaries Table 4-1 shows how humidity affects the electrostatic voltage levels generated by different activities. Typical Electrostatic Voltage Levels Event Walking across carpet Walking across vinyl floor Motions of bench worker Removing DIPS from plastic tube Removing DIPS from vinyl tray Removing DIPS from Styrofoam Removing bubble pack from PCB Packing PCBs in foam-lined box...
Page 83: Removal And Replacement Procedures
Removal and Replacement Procedures This chapter provides removal and replacement procedures. There are as many 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.
Page 84: Serial Number
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...
Page 85: Disassembly Sequence Chart
5.2 Disassembly Sequence Chart Use the chart below to determine the section number to be referenced when removing computer components. Disassembly Sequence Chart Section Description Preparing the Computer for Disassembly battery pack Hard Drive Computer Feet Bluetooth Module External Memory Module Keyboard Cover Keyboard 5.10...
Page 86 Removal and Replacement Procedures Disassembly Sequence Chart (Continued) Section Description 5.14 Mini Card WLAN Module Å To prevent an unresponsive system and the display of a warning message, install only a Mini Card WLAN device authorized for use in your computer by the governmental agency that regulates wireless devices in your country.
Page 87: Preparing The Computer For Disassembly
5.3 Preparing the Computer for Disassembly Before you begin any removal or installation procedures: 1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the computer on, and then shut it down through the operating system. 2.
Page 88 Removal and Replacement Procedures Battery Pack Spare Part Number Information 6-cell battery pack 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.
Page 89: Hard Drive
5.4 Hard Drive Hard Drive Spare Part Number Information Hard drives (all 5400 rpm; include cover and frame) 100-GB 80-GB 60-GB 1. Prepare the computer for disassembly Maintenance and Service Guide Removal and Replacement Procedures 419124-001 419126-001 419125-001 (Section 5.3). 5–7...
Page 90 Removal and Replacement Procedures 2. Loosen the two Phillips PM2.0×5.0 screws 1 that secure the hard drive cover to the computer. 3. Lift the left side of the hard drive cover and swing it to the right 2 and remove it. ✎...
Page 91 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 Removal and Replacement Procedures...
Page 92 Removal and Replacement Procedures 7. 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.
Page 93: Computer Feet
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...
Page 94: Bluetooth Module
Removal and Replacement Procedures 5.6 Bluetooth Module Bluetooth Module Spare Part Number Information Bluetooth module (includes Bluetooth module cable) 1. Prepare the computer for disassembly 2. Remove the hard drive cover 3. Position the computer with the front toward you. 4.
Page 95 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 Removal and Replacement Procedures 5–13...
Page 96: External Memory Module
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 1. Prepare the computer for disassembly (refer to 2. Position the computer with the front toward you. 5–14 PC2, 4200 419149-001 2048-MB 419145-001...
Page 97 3. Loosen the two Phillips PM2.0×5.0 screws 1 that secure the memory module compartment cover to the computer. 4. Lift the left side of the cover and swing it to the right 2 to remove the memory module compartment cover. ✎...
Page 98 Removal and Replacement Procedures 5. Spread the retaining tabs 1 on each side of the memory module socket to release the memory module. (The side of the module opposite the socket rises away from the computer.) 6. Slide the module away from the socket at an angle 2. 7.
Page 99: Keyboard Cover
Removal 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 cover to the computer.
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...
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...
Page 102: Keyboard
Removal and Replacement Procedures Keyboard Keyboard Spare Part Number Information Belgium Brazil The Czech Republic Denmark Europe France French Canada Germany Greece Hungary Iceland Israel Italy Japan Korea 1. Prepare the computer for disassembly 2. Remove the keyboard cover 3. Turn the computer upside down with the front toward you. 5–20 419171-A41 Latin America...
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...
Page 104 Removal and Replacement Procedures 5. Turn the computer right-side up with the front toward you. 6. Open the computer as far as possible. 7. Slide 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.
Page 105 9. Lift the rear edge of the keyboard 1 until it disengages from the computer. 10. Slide the keyboard forward 2 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.
Page 106: Fan
Removal and Replacement Procedures 5.10 Fan Fan Spare Part Number Information 1. Prepare the computer for disassembly 2. Remove the keyboard cover 3. Release the keyboard 4. Disconnect the fan cable 1 from the system board. 5. Remove the three Torx8 T8M2.0×7.0 screws 2 that secure the fan to the computer.
Page 107: Heat Sink
Removal and Replacement Procedures 5.11 Heat Sink 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.
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 2 to remove it. ✎ Due to the adhesive quality of the thermal paste located between the heat sink and processor, it may be necessary to move the heat sink from side to side to detach the heat sink from the processor.
Page 109 Removal and Replacement Procedures ✎ The thermal paste should be thoroughly cleaned from the 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.
Page 110: Processor
Removal and Replacement Procedures 5.12 Processor ✎ All processor spare part kits include thermal paste. Processor Spare Part Number Information Intel Core Duo T2600 (2.17-GHz) Intel Core Duo T2500 (2.00-GHz) Intel Core Duo T2400 (1.83-GHz) Intel Core Duo T2300 (1.67-GHz) Intel Celeron M 1.60-GHz 1.
Page 111 6. Use a flat-bladed screwdriver to turn the processor locking screw one-half turn counterclockwise 1 until you hear a click. 7. Lift the processor straight up and remove it 2. ✎ The gold triangle 3 on the processor should be aligned with the triangle icon 4 on the processor socket when you install the processor.
Page 112: Internal Memory Module
Removal and Replacement Procedures 5.13 Internal Memory Module Memory Module Spare Part Number Information PC2, 5300 2048-MB 1024-MB 512-MB 256-MB 1. Prepare the computer for disassembly 2. Remove the keyboard cover 3. Release the keyboard 5–30 PC2, 4200 419149-001 2048-MB 419145-001 1024-MB 419151-001...
Page 113 4. Spread the retaining tabs 1 on each side of the memory module socket to release the memory module. (The side of the memory module opposite the socket rises away from the computer.) 5. Slide the memory module away from the socket at an angle 2.
Page 114: Mini Card Wlan Module
Removal and Replacement Procedures 5.14 Mini Card WLAN Module Spare Part Number Information 802.11b/g Silverton WLAN module for most of the world (MOW) use 802.11b/g Silverton WLAN module for rest of the world (ROW) use 802.11a/b/g FRLN WLAN card for MOW use 802.11a/b/g FRLN WLAN card for ROW use 802.11a/b/g FRLN WLAN card for use in Japan 802.11a/b/g FRLN WLAN card for use in Europe...
Page 115 4. Make note of which antenna cable is attached to which antenna clip on the Mini Card WLAN module, then disconnect the auxiliary and main antenna cables 1 from the Mini Card WLAN module. 5. Remove the two Phillips PM2.0×4.0 screws 2 that secure the Mini Card WLAN module to the computer.
Page 116: Display Assembly
Removal and Replacement Procedures 5.15 Display Assembly 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) 1. Prepare the computer for disassembly 2. Remove the keyboard cover 3.
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...
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...
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...
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. 13. Disconnect the wireless antenna cables from the Mini Card WLAN module 1. 14. Disconnect the microphone cable 2 from the system board. 15.
Page 121 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 Removal and Replacement Procedures 5–39...
Page 122: Display Bezel
Removal and Replacement Procedures Display Assembly Subcomponents Spare Parts Number Information Display bezel (includes fingerprint reader board) 19. Remove the four rubber screw covers 1 and 2 and the four Phillips PM2.0×6.0 screws 3 that secure the display bezel to the display assembly.
Page 123 20. Flex the insides edges of the left 1 and top and bottom 2 edges of the display bezel until the bezel disengages from the display enclosure. 21. Swing the bezel 3 up and to the right until it rests beside the display assembly.
Page 124: Fingerprint Reader Board
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...
Page 125: Microphone
Removal and Replacement Procedures Display Assembly Subcomponents Spare Part Number Information Microphone 419152-001 24. Remove the microphone from the clip in the display enclosure. Removing the Microphone Maintenance and Service Guide 5–43...
Page 126: Display Inverter
Removal and Replacement Procedures Display Assembly Subcomponents Spare Part Number Information Display inverter 25. Remove the Phillips PM2.0×6.0 screw 1 that secures the display inverter to the display enclosure. 26. Disconnect the display 2 and backlight cables 3 from the inverter.
Page 127 Removal and Replacement Procedures Display Assembly Subcomponents 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 5–45...
Page 128 Removal and Replacement 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.
Page 129 Display Assembly Subcomponents Spare Part Number Information Wireless Antenna Kit 32. If it is necessary to replace the wireless antenna transceivers and cables, remove the Phillips PM2.0×6.0 screw 1 that secures each transceiver to the display enclosure. 33. Remove the wireless antenna transceivers 2 and cables 3 from the display enclosure.
Page 130: Button Board
Removal and Replacement Procedures 5.16 Button Board Button Board Spare Part Number Information Button board (includes button board cable) 1. Prepare the computer for disassembly and remove the following components: a. Keyboard cover b. Keyboard c. Display assembly 5–48 (Section 5.8) (Section 5.9)
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...
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...
Page 133: Top Cover
5.17 Top Cover Top Cover Spare Part Number Information Top cover 1. Prepare the computer for disassembly and remove the following components: a. Hard drive b. Keyboard cover c. Keyboard d. Display assembly e. Button board 2. Turn the computer upside down with the front toward you. Maintenance and Service Guide Removal and Replacement Procedures (Section...
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...
Page 135 4. Turn the computer right-side up with the front toward you. 5. Remove the two Torx8 T8M2.0×20.0 screws 1 that secure the 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.
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 the base enclosure. 10. Lift the top cover straight up 3 and remove it. Removing the Top Cover Reverse the above procedure to install the top cover.
Page 137: Touchpad
5.18 TouchPad TouchPad Spare Part Number Information TouchPad (includes cable and bracket) 1. Prepare the computer for disassembly and remove the following components: a. Hard drive b. Keyboard cover c. Keyboard d. Display assembly e. Button board f. Top cover 2.
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...
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...
Page 140 Removal and Replacement Procedures 6. Release the ZIF connector to which the 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.
Page 141: Speaker
Removal and Replacement Procedures 5.19 Speaker Speaker Spare Part Number Information Speaker 419160-001 1. Prepare 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.
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. Remove the two Torx8 T8M2.0×5.0 screws 3 that secure the speaker to the computer. 4. Remove the speaker 4. Removing the Speaker Reverse the above procedure to install the speaker.
Page 143: Infrared Board
Removal and Replacement Procedures 5.20 Infrared Board Infrared Board Spare Part Number Information Infrared board (includes cable) 419113-001 1. Prepare 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.
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 system board. 3. Remove the Torx8 T8M2.0×5.0 screw 2 that secures the infrared board to the system board. 4.
Page 145: System Board
5.21 System Board System Board Spare Part Number Information System board ✎ When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ■ Memory modules ■...
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...
Page 147 4. Remove the Torx8 T8M2.0×8.0 screw 1 that secures the display support frame to the computer. 5. Remove the hinge saddle 2. 6. Remove the Torx8 T8M2.0×8.0 screw 3 that secures the thermal shield to the computer. 7. Remove the thermal shield 4. ✎...
Page 148 Removal and Replacement Procedures ✎ The thermal paste should be thoroughly cleaned from 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...
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.
Page 150: Modem Module
Removal and Replacement Procedures 5.22 Modem Module Modem Module Spare Part Number Information Modem module (high-speed 56 K, includes modem module cable) 1. Prepare the computer for disassembly and remove the following components: a. Hard drive b. Bluetooth module c. Keyboard cover d.
Page 151 3. Disconnect the modem module cable from the two connectors 1 on the system board. 4. Remove the two Phillips PM2.0×4.0 screws 2 that secure the modem board to the system board. 5. Lift the right side of the modem board 3 to disconnect it from the system board.
Page 152: Rtc Battery
Removal and Replacement Procedures 5.23 RTC Battery RTC Battery Spare Part Number Information RTC battery 1. Prepare the computer for disassembly and remove the following components: a. Hard drive b. Bluetooth module c. Keyboard cover d. Keyboard e. Fan f. Heat sink g.
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...
Page 154 This chapter provides physical and performance specifications. Dimensions Height (front to back) Width Depth Weight Input Power Operating voltage Operating current Temperature Operating (not writing to optical disc) Operating (writing to optical disc) Nonoperating Maintenance and Service Guide Specifications Table 6-1 Computer Metric 30.2 to 31.5 mm...
Page 155 Specifications Relative humidity (noncondensing) Operating Nonoperating Maximum altitude (unpressurized) Operating (14.7 to 10.1 psia) Nonoperating (14.7 to 4.4 psia) Shock Operating Nonoperating Random Vibration Operating Nonoperating ✎ Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 6–2 Table 6-1 Computer (Continued)
Page 156 Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration Backlight Character display Total power consumption Viewing angle Maintenance and Service Guide Table 6-2 12.1-inch, XGA, TFT Display 20.7 cm 33.1 cm 39.1 cm Up to 16.8 million 150:1 150 nits typical 0.300 ×...
Page 157: Hard Drives
Specifications Dimensions Height Width Weight Interface type Transfer rate Synchronous (maximum) Security Seek times (typical read, including setting) Single track Average Maximum † Logical blocks Disk rotational speed Operating temperature ✎ Certain restrictions and exclusions apply. Consult Customer Care for details. *1 GB = 1 billion bytes when referring to hard drive storage capacity.
Page 158 Primary 6-cell, Li-Ion Battery Pack Dimensions Height Width Depth Weight Energy Voltage Amp-hour capacity Watt-hour capacity Temperature Operating Nonoperating Maintenance and Service Guide Table 6-4 2.00 cm 9.40 cm 13.40 cm 0.34 kg 10.8 V 4.8 Ah 52 Wh 5°C to 45°C 0°C to 60°C Specifications 0.79 in...
Page 159: System Dma
Specifications Hardware DMA DMA0 DMA1* DMA2* DMA3 DMA4 DMA5* DMA6 DMA7 *PC Card controller can use DMA 1, 2, or 5. 6–6 Table 6-5 System DMA System Function Not applicable Not applicable Not applicable Not applicable Direct memory access controller Available for PC Card Not assigned Not assigned...
Page 160: System Interrupts
Hardware IRQ IRQ0 IRQ1 IRQ2 IRQ3 IRQ4 IRQ5* IRQ6 IRQ7* IRQ8 IRQ9* IRQ10* Maintenance and Service Guide Table 6-6 System Interrupts System Function System timer Standard 101-/102-Key or Microsoft Natural Keyboard Cascaded Intel 82801DB/DBM USB2 Enhanced Host Controller—24CD COM1 Conexant AC—Link Audio Intel 82801DB/DBM SMBus Controller—24C3 Data Fax Modem with SmartCP Diskette drive...
Page 161 Specifications System Interrupts (Continued) IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none. ✎ PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4. 6–8 Table 6-6 Intel USB EHCI controller—24CD...
Page 162 I/O Address (hex) 000 - 00F 010 - 01F 020 - 021 022 - 024 025 - 03F 02E - 02F 040 - 05F 044 - 05F 062 - 063 065 - 06F 070 - 071 072 - 07F 080 - 08F 090 - 091 093 - 09F 0A0 - 0A1...
Page 163 Specifications System I/O Addresses (Continued) I/O Address (hex) 0A2 - 0BF 0C0 - 0DF 0E0 - 0EF 0F0 - 0F1 0F2 - 0FF 100 - 16F 170 - 177 178 - 1EF 1F0 - 1F7 1F8 - 200 202 - 21F 220 - 22F 230 - 26D 26E - 26...
Page 164 System I/O Addresses (Continued) I/O Address (hex) 2F0 - 2F7 2F8 - 2FF 300 - 31F 320 - 36F 370 - 377 378 - 37F 380 - 387 388 - 38B 38C - 3AF 3B0 - 3BB 3BC - 3BF 3C0 - 3DF 3E0 - 3E1 3E2 - 3E3...
Page 165: System Memory Map
Specifications Size Memory Address 640 KB 00000000-0009FFFF 128 KB 000A0000-000BFFFF 48 KB 000C0000-000CBFFF 160 KB 000C8000-000E7FFF 64 KB 000E8000-000FFFFF 15 MB 00100000-00FFFFFF 58 MB 01000000-047FFFFF 58 MB 04800000-07FFFFFF 2 MB 08000000-080FFFFF 4 GB 08200000-FFFEFFFF 64 KB FFFF0000-FFFFFFFF 6–12 Table 6-8 System Memory Map System Function Base memory...
Page 166: Screw Listing
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...
Page 167 Screw Listing Where used: Two screws that secure the hard drive cover to the computer (screws are captured on the cover by C-clips; documented in Two screws that secure the memory module compartment cover to the computer (screws are captured on the cover by C-clips; documented in Section 5.7) Phillips PM2.0×5.0 Screw Locations...
Page 168 Phillips PM2.0×5.0 Screw (Continued) Where used: 2 screws that secure the Bluetooth module cover to the computer (screws are captured on the cover by C-clips; documented in Phillips PM2.0×5.0 Screw Locations Maintenance and Service Guide Table A-1 Color Qty. Length Black 5.0 mm Section...
Page 169 Screw Listing Phillips PM2.5×13.0 Spring-Loaded Hard Drive Where used: One screw that secures the hard drive to the computer (screw is captured on the cover by a C-clip; documented in Where used: Four screws that secure the hard drive frame to the hard drive (documented Section 5.4) Phillips PM2.5×13.0 and Phillips PM3.0×4.0 Screw Locations...
Page 170 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 Table A-4 Torx T8M2.0×20.0 Screw Color Qty. Black Screw Listing Length Thread 20.0 mm 2.0 mm Head Width 4.5 mm...
Page 171 Screw Listing Torx T8M2.0×20.0 Screw (Continued) 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 Table A-4 Color Qty. Length Black 20.0 mm Maintenance and Service Guide Head Thread Width...
Page 172 Torx T8M2.0×20.0 Screw (Continued) 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 Table A-4 Color Qty. Length Black 20.0 mm Screw Listing Head Thread Width 2.0 mm 4.5 mm...
Page 173 Screw Listing Torx T8M2.0×20.0 Screw (Continued) 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 Table A-4 Color Qty. Length Black 20.0 mm Maintenance and Service Guide Head Thread Width...
Page 174 Where used: Three screws that secure the keyboard to the computer (documented in Section 5.9) Two screws that secure the display assembly to the computer (documented Section 5.15) Torx T8M2.0×10.0 Screw Locations Maintenance and Service Guide Table A-5 Torx T8M2.0×10.0 Screw Color Qty.
Page 175 Screw Listing Torx T8M2.0×10.0 Screw (Continued) Where used: 7 screws that secure the top cover to the computer (documented in Section 5.17) Torx T8M2.0×10.0 Screw Locations A–10 Table A-5 Color Qty. Length Black 10.0 mm Maintenance and Service Guide Head Thread Width 2.0 mm...
Page 176 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 Table A-6 Torx T8M2.0×5.0 Screw Color Qty. Length Black 5.0 mm Screw Listing Head Thread Width 2.0 mm 4.5 mm A–11...
Page 177 Screw Listing Torx T8M2.0×5.0 Screw (Continued) Where used: Two screws that secure the speaker to the computer (documented in Section 5.19) One screw that secures the infrared board to the computer (documented in Section 5.20) Torx T8M2.0×5.0 Screw Locations A–12 Table A-6 Color Qty.
Page 178 Torx T8M2.0×5.0 Screw (Continued) 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 Table A-6 Color Qty. Length Black 5.0 mm Screw Listing Head Thread Width 2.0 mm 4.5 mm...
Page 179 Screw Listing Where used: 3 screws that secure the fan to the computer (documented in Torx T8M2.0×8.0 Screw Locations A–14 Table A-7 Torx T8M2.0×8.0 Screw Color Qty. Length Black 8.0 mm Thread 2.0 mm Section 5.10) Maintenance and Service Guide Head Width 5.0 mm...
Page 180 Torx T8M2.0×8.0 Screw (Continued) Where used: One screw that secures the system board and display support frame to the computer (documented in One screw that secures the system board and thermal shield to the computer (documented in Section Torx T8M2.0×8.0 Screw Location Maintenance and Service Guide Table A-7 Color...
Page 181 Screw Listing Where used: 4 screws that secure the heat sink to the computer (documented in Section 5.11) Phillips PM2.5×7.0 Screw Locations A–16 Table A-8 Phillips PM2.5×7.0 Screw Color Qty. Black Length Thread 7.0 mm 2.5 mm Maintenance and Service Guide Head Width 5.0 mm...
Page 182 Where used: 2 screws that secure the Mini Card WLAN module to the computer (documented Section 5.14) Phillips PM2.0×4.0 Screw Locations Maintenance and Service Guide Table A-9 Phillips PM2.0×4.0 Screw Color Qty. Silver Screw Listing Length Thread 4.0 mm 2.0 mm Head Width 4.0 mm...
Page 183 Screw Listing Phillips PM2.0×4.0 Screw (Continued) Where used: One screw that secures the button board to the computer (documented in Section 5.16) One screw that secures the top cover to the computer (documented in Section 5.17) Phillips PM2.0×4.0 Screw Locations A–18 Table A-9 Color...
Page 184 Phillips PM2.0×4.0 Screw ( Continued) 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 Table A-9 Color Qty. Length Silver 4.0 mm Screw Listing Head Thread Width...
Page 185 Screw Listing Phillips PM2.0×4.0 Screw ( Continued) 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 Table A-9 Color Qty. Length Silver 4.0 mm Maintenance and Service Guide Head Thread Width...
Page 186 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 Table A-10 Phillips PM2.0×6.0 Screw Color Qty. Silver Screw Listing Length Thread 6.0 mm 2.0 mm Head Width 5.0 mm...
Page 187 Screw Listing Phillips PM2.0×6.0 Screw (Continued) Where used: One screw that secures the display inverter to the display assembly (documented in Section Phillips PM2.0×6.0 Screw Location A–22 Table A-10 Color Qty. Silver 5.15) Length Thread 6.0 mm 2.0 mm Maintenance and Service Guide Head Width 5.0 mm...
Page 188 Phillips PM2.0×6.0 Screw (Continued) Where used: Two screws that secure the display panel to the display assembly (documented in Section Two screws that secure the display hinges to the display assembly (documented in Section Phillips PM2.0×6.0 Screw Locations Maintenance and Service Guide Table A-10 Color Qty.
Page 189 Screw Listing Phillips PM2.0×6.0 Screw (Continued) Where used: 2 screws that secure the wireless antenna transceivers to the display assembly (documented in Section Phillips PM2.0×6.0 Screw Locations A–24 Table A-10 Color Qty. Silver 5.15) Length Thread 6.0 mm 2.0 mm Maintenance and Service Guide Head Width...
Page 190: Safeguarding Your Data
✎ HP installed drivers, utilities, and applications can be copied to a CD or to a DVD using HP Backup and Recovery Manager. ✎ Formatted DVD±RW discs and DVD±RW double-layer discs are not compatible with HP Backup and Recovery Manager.
Page 191: Backing Up The System
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 and Recovery Manager. 2. Click Next.
Page 192: Backing Up The Entire Hard Drive
This process may take over an hour, depending on your computer speed and the amount of data being stored. To back up your entire hard drive: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 2. Click Next.
Page 193 You can schedule recovery points for a specific time or event in your system. To create and schedule a system recovery point: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 2. Click Next.
Page 194: Scheduling Backups
Scheduling Backups To schedule backups: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup Scheduler. The “Backup Scheduler” page opens. 2. Click Next. 3. Schedule system recovery points at specific intervals (now, daily, weekly, or monthly) or at specific events, such as at...
Page 195: Creating Recovery Discs
After setting up the computer for the first time, you can create a set of recovery discs of the full factory image, using Recovery Media Creator in the HP Backup and Recovery Manager. The recovery discs are used to start up (boot) the computer and recover the operating system and software to factory settings in case of system failure or instability.
Page 196: Performing A Recovery
Recovery Media Creator, you will be prompted to continue the disc creation process where you left off. To create a set of recovery discs: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 2. Click Next.
Page 197: Performing A Recovery From The Hard Drive
Initiating a Recovery in Windows To initiate a recovery in Windows: 1. Back up all personal files. 2. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 3. Click Next. 4. Click Recover important files or the entire system, and then click Next.
Page 198 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 end-of-life. Disposal of mercury may be regulated because of environmental considerations. For disposal or recycling information, contact your local authorities or the Electronic Industries Alliance (EIA) http://www.eiae.org...
Page 199 Display Component Recycling This appendix provides disassembly instructions for the display assembly. The display assembly must be disassembled to gain access to the backlight 1 and the liquid crystal display (LCD) panel 2. ✎ Disassembly procedures differ from one display assembly to another.
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...
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...
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...
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...
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...
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...
Page 206 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 Display Component Recycling C–9...
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...
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...
Page 209 Display Component Recycling Å WARNING: The backlight contains mercury. Caution should be exercised when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. 18. Slide the backlight out of the backlight frame. Removing the Backlight C–12 Maintenance and Service Guide...
Page 210 19. Disconnect the display cable 1 from the LCD panel. 20. Remove the screws 2 that secure the LCD panel to the display rear panel. 21. Release the LCD panel 3 from the display rear panel. 22. Release the tape 4 that secures the LCD panel to the display rear panel.
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...
Page 212: Connector Pin Assignments
Connector Pin Assignments Signal Audio out, left channel Audio out, right channel Maintenance and Service Guide Table D-1 Audio-Out (Headphone) Signal Ground D–1...
Page 213: Universal Serial Bus
Connector Pin Assignments Signal Audio signal in Audio signal in Signal +5 VDC Data – D–2 Table D-2 Audio-In (Microphone) Table D-3 Universal Serial Bus Signal Ground Signal Data + Ground Maintenance and Service Guide...
Page 214 Signal S-VHS color (C) signal Composite video signal S-VHS intensity (Y) signal S-VHS color ground Maintenance and Service Guide Connector Pin Assignments Table D-4 S-Video-Out Signal TV-CD S-VHS intensity ground Composite video ground D–3...
Page 215: External Monitor
Connector Pin Assignments Signal Red analog Green analog Blue analog Not connected Ground Ground analog Ground analog Ground analog D–4 Table D-5 External Monitor Signal +5 VDC Ground Monitor detect DDC 2B data Horizontal sync Vertical sync DDC 2B clock Maintenance and Service Guide...
Page 216 Signal Unused Ring Maintenance and Service Guide Table D-6 RJ-11 (Modem) Signal Unused Unused Unused Connector Pin Assignments D–5...
Page 217 Connector Pin Assignments Signal Transmit + Transmit – Receive + Unused D–6 Table D-7 RJ-45 (Network) Signal Unused Receive – Unused Unused Maintenance and Service Guide...
Page 218: Power Cord Set Requirements
Power Cord Set Requirements 3-Conductor Power Cord Set The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 or 220 to 240 volts AC. The power cord set included with the computer meets the requirements for use in the country where the equipment is purchased.
Page 219: General Requirements
Power Cord Set Requirements General Requirements The requirements listed below are 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 cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country where the power cord set will be used.
Page 220 Country-Specific Requirements 3-Conductor Power Cord Set Requirements Country/Region Australia Austria Belgium Canada Denmark Finland France Germany Italy Japan ✎ NOTES: 1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 1.0 mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country where it will be used.
Page 221 Power Cord Set Requirements 3-Conductor Power Cord Set Requirements (Continued) Country/Region Korea The Netherlands Norway People’s Republic of China Sweden Switzerland Taiwan United Kingdom United States ✎ NOTES: 1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 1.0 mm² conductor size.
Page 222 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 base enclosure cover location 1–19 removal 5–35 spare part number 3–8 3–19 base enclosure, spare part number 3–10 battery bay 1–19 battery light 1–7...
Page 223 Index left-side 1–10 rear 1–10 right-side 1–8 top 1–16 computer feet illustrated 3–13 locations 5–11 Computer Setup Advanced Menu 2–5 Diagnostics Menu 2–4 File Menu 2–2 overview 2–1 Security Menu 2–3 computer specifications 6–1 connector pin assignments audio-in D–2 audio-out D–1 external monitor D–4 headphone D–1 microphone D–2...
Page 224 Display Rubber Screw Cover Kit, spare part number 3–12 3–21 docking connector 1–19 drive light 1–7 drives, preventing damage 4–3 DVD±RW and CD-RW Double-Layer Combo Drive, spare part number 3–15 electrostatic discharge 4–4 4–8 expansion product, troubleshooting 2–14 external monitor port location 1–13 pin assignments D–4 External MultiBay II power...
Page 225 AC adapter, spare part number 3–19 HP Docking Station Miscellaneous Plastics Kit, spare part number 3–15 3–19 HP Docking Station, spare part number 3–15 I/O address specifications 6–9 Info Center button 1–11 infrared board removal 5–61 spare part number 3–8 3–20...
Page 226 microphone 1–7 disconnecting 5–38 illustrated 3–11 removal 5–43 spare part number 3–12 3–21 5–43 microphone jack location 1–9 pin assignments D–2 Mini Card WLAN module removal 5–32 spare part numbers 3–5 3–17 3–18 modem cable illustrated 3–14 removal 5–69 modem jack location 1–13 pin assignments D–5 modem module...
Page 227 Index power management features 1–5 power supply, spare part number 3–16 power switch 1–11 power, troubleshooting 2–8 presentation button 1–17 processor removal 5–28 spare part numbers 3–8 3–19 3–22 rear components 1–10 rear keyboard cover removal 5–53 spare part number 3–3 3–20 5–53 removal/replacement...
Page 228 system DMA 6–6 system memory map 6–12 thermal paste, replacing 5–27 5–66 thermal shield removal 5–65 spare part number 3–8 3–22 5–65 tools required 4–1 top components 1–16 top cover removal 5–51 spare part number 3–3 3–22 5–51 TouchPad location 1–17 removal 5–55 spare part number 3–3 3–22...

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Tc4400 - compaq tablet pc

HP Compaq NC4400 Maintenance And Service Manual

Table of Contents

1 Product Description

2 Troubleshooting

3 Illustrated Parts Catalog

4 Removal and Replacement Preliminaries

5 Removal and Replacement Procedures

Disassembly Sequence Chart (Continued)

Quick Links

Chapters

Troubleshooting

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Summary of Contents for HP Compaq NC4400

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Table of Contents