Page 1 Maintenance and Service Guide HP Compaq nw9440 Notebook PC HP Compaq nx9420 Notebook PC Document Part Number: 412725-002 June 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;...
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 ......5–1 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 nw9440 Notebook PC and HP Compaq nx9420 Notebook PC offer advanced modularity, Intel® Core Duo processors, and extensive multimedia support. HP Compaq nw9440 Notebook PC and HP Compaq nx9420 Notebook PC Maintenance and Service Guide...
Page 8: Features
Product Description 1.1 Features ■ The following processors, varying by computer model: ❏ 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 (1.66-GHz) ■ The following displays are available, varying by computer model: ❏...
Page 9 ■ Integrated wireless support for Mini Card IEEE 802.11a/b/g or 802.11b/g Wireless LAN (WLAN) device ■ Support for one Type I or Type II PC Card slot, with support for both 32-bit (CardBus) and 16-bit PC Cards, varying by computer model ■...
Page 10: Resetting The Computer
Product Description 1.2 Resetting the Computer If the computer you are servicing has an unknown password, follow these steps to clear the password. These steps also clear CMOS: 1. Prepare the computer for disassembly (refer to “Preparing the Computer for Disassembly,” information).
Page 11: Power Management
1.3 Power Management The computer comes with power management features that extend battery 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
Product Description 1.4 External Components The external components on the front of the computer are shown below and described in Table 1-1. Front Components Item Component Wireless light Power light 1–6 Table 1-1 Front Components Function On: An integrated wireless device, such as a wireless local area network (LAN) device and/or a Bluetooth®...
Page 13 Front Components (Continued) Item Component Battery light Drive light Display release latch Stereo speakers (2) Digital Media Slot Maintenance and Service Guide Table 1-1 Function ■ Amber: A battery pack is charging. ■ Green: A battery pack is close to full charge capacity.
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 USB ports (2) Optical drive RJ-45 (network) jack Maintenance and Service Guide Table 1-2 Right-Side Components Function Connect optional headphones 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 Exhaust vent Smart Adaptor power connector External monitor port S-Video-out jack USB ports (2) 1–10 Table 1-3 Left-Side Components Function Provides airflow to cool internal...
Page 17 Left-Side Components (Continued) Item Component 1394 port Smart card slot PC Card slot Maintenance and Service Guide Table 1-3 Function Connects an optional 1394a device such as a scanner, digital camera, or digital camcorder. Supports optional smart cards. Supports optional Type I, Type II, or Type III 32-bit (CardBus) or 16-bit PC Cards.
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 Security cable slot Battery bay Exhaust vent RJ-11 (modem) jack Maintenance and Service Guide Table 1-4 Rear Panel Components Function Attaches an optional security cable to the computer. Ä Security solutions are designed to act as deterrents. These deterrents may not prevent a product from being mishandled or stolen.
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 f1 to f12 keys (12) caps lock key fn key Windows logo key Windows applications key Arrow keys Keypad keys (16) num lock key Maintenance and Service Guide Table 1-5 Function Perform system and application tasks. When combined with the fn key, several keys and buttons perform additional tasks as hotkeys.
Page 22: Top Components
Product Description The computer top components are shown below and described in Table 1-6. Top Components Item Component Power light Power button 1–16 Table 1-6 Top Components Function ■ On: The computer is on. ■ Blinking: The computer is in standby. ■...
Page 23 Top Components (Continued) Item Component Wireless button Wireless light Info Center button Presentation mode button QuickLaunch Calculator button Caps lock light Num lock light Volume mute button Volume down button Volume up button Maintenance and Service Guide Table 1-6 Function Turns the wireless functionality on or off, but does not create a wireless connection.
Page 24 Product Description The computer pointing device components shown below and described in Table 1-7. Pointing Device Components 1–18 Maintenance and Service Guide...
Page 25: Pointing Device Components
Pointing Device Components Item Component Pointing stick (select models only) Pointing stick buttons (select models only) TouchPad Fingerprint reader (select models only) TouchPad buttons (2 or 3 buttons, varying by computer model) TouchPad scroll zone Maintenance and Service Guide Table 1-7 Function Moves the pointer and selects or activates items on the screen.
Page 26: Bottom Components
Bottom Components Function Holds the primary battery pack. Secures the primary battery pack into the battery bay. Connects the computer to an optional docking device. Connects an optional HP Ultra-Capacity Battery or HP Extended Life Battery. Maintenance and Service Guide...
Page 27 Bottom Components (Continued) Item Component Memory module compartment Mini Card compartment Hard drive bay Primary battery release latch Exhaust vents Maintenance and Service Guide Table 1-8 Function Contains one memory slot that supports replaceable memory modules. Holds an optional wireless LAN device. Ä...
Page 28: 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 ■ Display ■...
Page 29: 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 30 Troubleshooting 1. Open Computer Setup by turning on or restarting the computer, and then pressing Based Setup” message is displayed in the lower-left corner of the screen. In Computer Setup, the following shortcuts are available: ❏ To change the language, press ❏...
Page 31: Computer Setup Defaults
Computer Setup Defaults To return all settings in Computer Setup to the values that were set at the factory: 1. Open Computer Setup by turning on or restarting the computer, and then pressing Based Setup” message is displayed in the lower-left corner of the screen.
Page 32: Computer Setup Menus
Troubleshooting Computer Setup Menus The menu tables in this section provide an overview of Computer Setup options. ✎ Some of the Computer Setup menu items listed in this chapter may not be supported by your computer. Select System Information Restore defaults Ignore changes and exit Save changes and exit 2–4...
Page 33: Security Menu
Select Setup password Power-on password Password options DriveLock passwords Smart Card security TPM Embedded Security Maintenance and Service Guide Table 2-2 Security Menu To Do This Enter, change, or delete a setup password. Enter, change, or delete a power-on password. ■...
Page 34: Diagnostics Menu
Troubleshooting Select System IDs Disk Sanitizer Select Memory Check Hard Drive Self-Test options 2–6 Table 2-2 Security Menu (Continued) To Do This Enter user-defined computer asset and ownership tag. Run Disk Sanitizer to destroy all existing data on the primary hard drive. The following options are available: ✎...
Page 35: System Configuration Menu
Select Language (or press f2). Boot options Maintenance and Service Guide Table 2-4 System Configuration Menu To Do This Change the Computer Setup language. ■ Set f9, f10, and f12 delay when starting up. ■ Enable/disable CD-ROM boot. ■ Enable/disable Floppy boot. ■...
Page 36 Troubleshooting System Configuration Menu (Continued) Select Device configurations 2–8 Table 2-4 To Do This ■ Swap the functions of the fn key and left ctrl key. ■ Enable/disable multiple standard pointing devices at startup. (To set the computer to support only a single, usually nonstandard, pointing device at startup, select Disable.) ■...
Page 37 System Configuration Menu (Continued) Select Device configurations (Continued) Built-In Device Options Port Options Maintenance and Service Guide Table 2-4 To Do This ■ Enable/disable SATA Native Support. ■ Enable/disable Dual Core CPU. ■ Enable/disable Secondary Battery Fast Charge. ■ Enable/disable embedded WWAN Device Radio.
Page 38: 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 39: 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 40: 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 41: 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 42: 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? 2–14 Done Done Internal or...
Page 43: 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 44: 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 2–16...
Page 45: 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 46 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. 2–18 Reinstall computer into docking device.
Page 47: 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 48 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 2–20 Go to “Flowchart 2.11—No OS...
Page 49 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 50 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 51: 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 52: 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. 2–24 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 53: 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 54: 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? 2–26 Reload audio drivers. Load drivers and set configuration in OS. Replace audio board and speaker connections...
Page 55: 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 56: 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 2–28 Replace system board. Replace internal keyboard or cable. Replace system board. Done Maintenance and Service Guide...
Page 57 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 58 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). 2–30 Replace jack or have jack activated. Connect to nondigital line.
Page 59: 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 model number located on the bottom of the computer. Serial Number Location Maintenance and Service Guide 3–1...
Page 60: Computer Major Components
Illustrated Parts Catalog 3.2 Computer Major Components Computer Major Components 3–2 Maintenance and Service Guide...
Page 61 Spare Parts: Computer Major Components Item Description Display assemblies (include wireless antenna transceivers and cables) 17.0-inch, WUXGA+WVA with AntiGlare 17.0-inch, WSXGA+WVA with AntiGlare 17.0-inch, WXGA+WVA with AntiGlare 17.0-inch, WSXGA+WVA with BrightView Switch cover LED board (includes LED board cable) Keyboards with pointing stick (includes pointing stick cable) For use in: Brazil The Czech...
Page 62 Illustrated Parts Catalog Computer Major Components 3–4 Maintenance and Service Guide...
Page 63 Spare Parts: Computer Major Components (Continued) Item Description Keyboards without pointing stick For use in: Brazil The Czech Republic Denmark France French Canada Germany Greece Hungary Iceland Internationally Israel Italy Japan Korea Latin America Norway Top cover Fingerprint sensor board (not illustrated) Fan assembly Processor heat sink (includes thermal paste) Maintenance and Service Guide...
Page 64 Illustrated Parts Catalog Computer Major Components 3–6 Maintenance and Service Guide...
Page 65 Spare Parts: Computer Major Components (Continued) Item Description TouchPads (include TouchPad cable) With 3 pointing stick buttons, 2 TouchPad buttons, and fingerprint sensor, for use with keyboards with pointing stick With 3 pointing stick buttons and 3 TouchPad buttons, for use with keyboards with pointing stick With 2 TouchPad buttons and fingerprint sensor, for use with keyboards without pointing stick With 2 TouchPad buttons, for use with keyboards...
Page 66 Illustrated Parts Catalog Computer Major Components 3–8 Maintenance and Service Guide...
Page 67 Spare Parts: Computer Major Components (Continued) Item Description Bluetooth® module (includes Bluetooth module cable) Speaker PC Card/smart card assembly System board Video board RTC battery Base enclosure Memory modules, 1-DIMM PC2-5300 2048 MB 1024 MB 512 MB 256 MB Optical drives (include bezel and optical drive bracket) DVD±RW and CD-RW Double-Layer Combo Drive with LightScribe DVD±RW and CD-RW Double-Layer Combo Drive...
Page 68 Illustrated Parts Catalog Computer Major Components 3–10 Maintenance and Service Guide...
Page 69 Spare Parts: Computer Major Components (Continued) Item Description Mini Card modules 802.11b/g HS WLAN module for use in North America 802.11b/g HS WLAN module for use in the countries listed below. These countries are categorized as the rest of the world (ROW). China Ecuador Haiti...
Page 70 Illustrated Parts Catalog Computer Major Components 3–12 Maintenance and Service Guide...
Page 71 Spare Parts: Computer Major Components (Continued) Item Description Mini Card modules (Continued) 802.11a/b/g GL WLAN module for use in the countries listed below. These countries are categorized as most of the world (MOW 2). Aruba Austria Azerbaijan Bahrain Belgium Bermuda Bulgaria Cayman Islands Columbia...
Page 72 Illustrated Parts Catalog Computer Major Components 3–14 Maintenance and Service Guide...
Page 73 Spare Parts: Computer Major Components (Continued) Item Description Mini Card modules (Continued) 802.11b/g GL WLAN module for use in the following countries: Israel Jordan Hard drives 7200 rpm 100 GB 80 GB Battery pack (8-cell, 4.8-AH) Maintenance and Service Guide Table 3-1 Kuwait United Arab...
Page 74: Display Assembly Components
Illustrated Parts Catalog 3.3 Display Assembly Components 3–16 Maintenance and Service Guide...
Page 75 Display Assembly Components Spare Part Number Information Item Description Display bezel Display Hinge Kit Display panels 17.0-inch, WUXGA+WVA with AntiGlare 17.0-inch, WSXGA+WVA with AntiGlare 17.0-inch, WXGA+WVA with AntiGlare 17.0-inch, WSXGA+WVA with BrightView Wireless Antenna Kit Display Inverter Display enclosure Not illustrated: Display Bracket Kit (includes top, middle, and bottom brackets) Display Cable Kit...
Page 76: Plastics Kit
Illustrated Parts Catalog 3.4 Plastics Kit Spare Part Number Information Item Description Plastics Kit Includes: Hard drive cover (includes 2 captive screws, captured by C clips) Memory/Mini Card module cover (includes 3 captive screws, captured by C clips) Computer feet (7) PC Card slot space saver 3–18 Table 3-3...
Page 77: Cable Kit
3.5 Cable Kit Spare Part Number Information Item Description Cable Kit Includes: Bluetooth module cable USB/audio board cable Modem cable Network cable TouchPad cable Microphone cable Maintenance and Service Guide Table 3-4 Cable Kit Illustrated Parts Catalog Spare Part Number 409990-001 3–19...
Page 78: Mass Storage Devices
Illustrated Parts Catalog 3.6 Mass Storage Devices Spare Part Number Information Item Description Hard drives (include frame and connector) 7200 rpm 100 GB 80 GB Optical drives (include bezel) DVD±RW and CD-RW Double-Layer Combo Drive with LightScribe DVD±RW and CD-RW Double-Layer Combo Drive 2X Max DVD/CD-RW Combo Drive 8X Max DVD/CD-RW Combo Drive 3–20...
Page 79: Miscellaneous (Not Illustrated)
90-watt non-PFC AC adapter External MultiBay II External MultiBay II power cable and stand HP Extended Life Battery HP Docking Station HP Docking Station Miscellaneous Plastics Kit Label Kit MultiBay 8X DVD-ROM Drive MultiBay 24X DVD/CD-RW Combo Drive Nylon carrying case...
Page 80 Illustrated Parts Catalog Miscellaneous (Not Illustrated) Spare Part Information (Continued) Description Power cords: For use in the United States For use in Australia For use in Europe For use in the United Kingdom For use in Italy For use in Denmark For use in Brazil For use in Japan For use in the People’s Republic of China...
Page 81 Miscellaneous (Not Illustrated) Spare Part Information (Continued) Description USB 1.1 diskette drive Screw Kit (includes the following screws; refer to Appendix A, “Screw Listing,” specifications and usage) ■ Hex socket HM5.0×9.0 screw lock ■ Phillips PM3.0×3.0 screw ■ Phillips PM2.5×17.0 screw ■...
Page 82: Sequential Part Number Listing
350055-DB1 Power cord for use in French Canada 366143-001 External MultiBay II 366144-001 External MultiBay II power cable and stand 367456-001 HP Extended Life Battery 373314-001 MultiBay 8X DVD-ROM Drive 373315-001 MultiBay 24X DVD/CD-RW Combo Drive 374803-001 HP Docking Station 3–24...
Page 83 Sequential Part Number Listing (Continued) Spare Part Number Description 380089-001 HP Docking Station Miscellaneous Plastics Kit 391173-001 90-watt PFC AC adapter 391174-001 120-watt PFC AC adapter 398682-001 8-cell, 4.8-AH battery pack 407107-001 802.11b/g HS WLAN Mini Card module for use in...
Page 84 Illustrated Parts Catalog Sequential Part Number Listing (Continued) Spare Part Number Description 407576-002 802.11a/b/g GL WLAN Mini Card module for use in the MOW2 countries listed below: Aruba Austria Azerbaijan Bahrain Belgium Bermuda Bulgaria Cayman Islands Columbia Croatia Cyprus The Czech Republic Denmark Egypt...
Page 85 Sequential Part Number Listing (Continued) Spare Part Number Description 409911-021 Keyboard without pointing stick for use internationally (includes Pointing Stick cable) 409911-031 Keyboard without pointing stick for use in the United Kingdom (includes pointing stick cable) 409911-041 Keyboard without pointing stick for use in Germany (includes pointing stick cable) 409911-051 Keyboard without pointing stick for use in France (includes...
Page 86 Illustrated Parts Catalog Sequential Part Number Listing (Continued) Spare Part Number Description 409911-171 Keyboard without pointing stick for use in Saudi Arabia (includes pointing stick cable) 409911-201 Keyboard without pointing stick for use in Brazil (includes pointing stick cable) 409911-211 Keyboard without pointing stick for use in Hungary (includes pointing stick cable) 409911-221...
Page 87 Sequential Part Number Listing (Continued) Spare Part Number Description 409913-001 Keyboard with pointing stick for use in the United States (includes pointing stick cable) 409913-021 Keyboard with pointing stick for use internationally (includes pointing stick cable) 409913-031 Keyboard with pointing stick for use in the United Kingdom (includes pointing stick cable) 409913-041 Keyboard with pointing stick for use in Germany (includes...
Page 88 Illustrated Parts Catalog Sequential Part Number Listing (Continued) Spare Part Number Description 409913-161 Keyboard with pointing stick for use in Latin America (includes pointing stick cable) 409913-171 Keyboard with pointing stick for use in Saudi Arabia (includes pointing stick cable) 409913-201 Keyboard with pointing stick for use in Brazil (includes pointing stick cable)
Page 89 Sequential Part Number Listing (Continued) Spare Part Number Description 409913-DD1 Keyboard with pointing stick for use in Iceland (includes pointing stick cable) 409931-001 Wireless Antenna Kit 409932-001 Fingerprint sensor board 409933-001 Display Inverter 409934-001 Label Kit 409935-001 Display bezel 409936-001 Display Bracket Kit (includes top, middle, and bottom brackets) 409937-001 Display Hinge Kit...
Page 90 Illustrated Parts Catalog Sequential Part Number Listing (Continued) Spare Part Number Description 409951-001 Top cover with 3 pointing stick buttons and 3 TouchPad buttons, for use with keyboards with Pointing Stick 409952-001 Top cover with 3 pointing stick buttons, 2 TouchPad buttons, and fingerprint sensor, for use with keyboards with Pointing Stick 409953-001...
Page 91 Sequential Part Number Listing (Continued) Spare Part Number Description 409968-001 USB/audio board (includes audio board cable and USB board cable) 409969-001 Intel Core Duo T2300 (1.67-GHz) processor (includes thermal paste) 409970-001 Intel Core Duo T2400 (1.83-GHz) processor (includes thermal paste) 409971-001 Intel Core Duo T2500 (2.00-GHz) processor (includes thermal paste)
Page 92 Illustrated Parts Catalog Sequential Part Number Listing (Continued) Spare Part Number Description 409985-001 2X Max DVD/CD-RW Combo Drive (includes bezel and optical drive bracket) 409986-001 DVD±RW and CD-RW Double-Layer Combo Drive (includes bezel and optical drive bracket) 409987-001 DVD±RW and CD-RW Double-Layer Combo Drive with LightScribe (includes bezel and optical drive bracket) 409989-001 17.0-inch, WSXGA+WVA display assembly with BrightView...
Page 93: 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 94: 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 95: 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 96: 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 97: 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 98: 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 99: 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 100: 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 101: 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.
Page 102: Disassembly Sequence Chart
Removal and Replacement Procedures 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 Mini Card Module...
Page 103 Disassembly Sequence Chart (Continued) Section Description 6.10 Optical Drive 6.11 Keyboard 6.12 Internal Memory Module 6.13 TouchPad 6.14 Modem Module 6.15 Switch Cover 6.16 LED Board 6.17 Fan Assembly 6.18 Processor Heat Sink 6.19 Processor 6.20 Video Board Heat Sink 6.21 Video Board 6.22...
Page 104: Preparing The Computer For Disassembly
Removal and Replacement Procedures 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 105 b. Slide and hold the battery pack locking latch 1 to the right. (The battery pack disengages from the computer.) c. Slide the battery pack release latch 2 to the right. d. Slide the battery pack 3 straight back and remove it. Removing the Battery Pack Reverse the above procedure to install the battery pack.
Page 106: Hard Drive
Removal and Replacement Procedures 5.4 Hard Drive Hard Drive Spare Part Number Information 7200 rpm 100 GB 80 GB 1. Prepare the computer for disassembly (refer to 2. Position the computer with the front toward you. 5–6 5400 rpm 409983-001 100 GB 409991-001 80 GB...
Page 107 3. Loosen the two Phillips PM2.5×17.0 screws 1 that secure the hard drive cover to the computer. 4. Lift the right side of the hard drive cover 2 and swing it to the left. 5. Remove the hard drive cover. ✎...
Page 108 Removal and Replacement Procedures 6. Loosen the Phillips PM2.5×13.0 spring-loaded hard drive retention screw 1. 7. Grasp the mylar tab 2 on the hard drive and slide the hard drive to the left 3 to disconnect it from the system board. 8.
Page 109 Removal and Replacement Procedures 9. Remove the four Phillips PM3.0×3.0 hard drive frame screws 1 from each side of the hard drive. 10. Lift the frame 2 straight up to remove it from the hard drive. Removing the Hard Drive Frame Reverse the above procedure to reassemble and install the hard drive.
Page 110: 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 409944-001. Replacing the Computer Feet 5–10 Maintenance and Service Guide...
Page 111: Bluetooth Module
5.6 Bluetooth Module Bluetooth Module Spare Part Number Information Bluetooth module (includes Bluetooth module cable) 1. Prepare the computer for disassembly (refer to 2. Remove the hard drive 3. Slide the Bluetooth module 1 out of the clip in the hard drive compartment.
Page 112: External Memory Module
Removal and Replacement Procedures 5.7 External Memory Module Memory Module Spare Part Number Information 1-DIMM, 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. 3.
Page 113 6. Spread the retaining tabs 1 on each side of the memory module socket to release the memory module. (The edge of the module opposite the socket rises away from the computer.) 7. Slide the module 2 away from the socket at an angle. 8.
Page 114: Mini Card Module
Removal and Replacement Procedures 5.8 Mini Card Module Spare Part Number Information 802.11b/g HS WLAN module for use in North America 802.11b/g HS WLAN module for use in the ROW countries listed below. China Ecuador Haiti 802.11b/g HS WLAN module for use in Japan 802.11b/g LJ WLAN module for use in North America 802.11b/g LJ WLAN module for use in the ROW countries listed below.
Page 115 Spare Part Number Information (Continued) 802.11a/b/g GL WLAN module for use in the MOW 2 countries listed below. Aruba Austria Azerbaijan Bahrain Belgium Bermuda Bulgaria Cayman Islands Columbia Croatia Cyprus Czech Republic Denmark Egypt 802.11a/b/g GL WLAN module for use in the ROW countries listed below.
Page 116 Removal and Replacement Procedures 2. Remove the memory/Mini Card module compartment cover (Section 3. Before disconnecting the wireless antenna cables, make note of which cable is attached to which antenna clip on the Mini Card module, then disconnect the auxiliary and main wireless antenna cables 1 from the Mini Card module.
Page 117: Rtc Battery
5.9 RTC Battery RTC Battery Spare Part Number Information RTC battery 1. Prepare the computer for disassembly 2. Remove the memory/Mini Card module compartment cover (Section 3. Use a non-conductive, flat-bladed tool to pry the RTC battery out of the socket. Removing the RTC Battery Reverse the above procedure to install the RTC battery.
Page 118: Optical Drive
Removal and Replacement Procedures 5.10 Optical Drive Optical Drive Spare Part Number Information ✎ All optical drive spare part kits include an optical drive bezel and optical drive bracket. DVD±RW and CD-RW Double-Layer Combo Drive with LightScribe DVD±RW and CD-RW Double-Layer Combo Drive 2X Max DVD/CD-RW Combo Drive 8X Max DVD/CD-RW Combo Drive 1.
Page 119 3. Remove the Torx8 T8M2.5×9.0 screw 1 that secures the optical drive to the computer. 4. Use a flat-bladed tool to push the metal tab 2 toward the right side of the computer. (The optical drive partially removes from the optical drive bay.) 5.
Page 120: Keyboard
Removal and Replacement Procedures 5.11 Keyboard Keyboard Spare Part Number Information Keyboards with pointing stick (includes Pointing Stick cable) for use in: Brazil The Czech Republic Denmark France French Canada Germany Greece Hungary Iceland Internationally Israel Italy Japan Korea Latin America 5–20 409913-201 Norway...
Page 121 Keyboard Spare Part Number Information (Continued) Keyboards without pointing stick for use in: Brazil The Czech Republic Denmark France French Canada Germany Greece Hungary Iceland Internationally Israel Italy Japan Korea Latin America 1. Prepare the computer for disassembly 2. Position the computer with the front toward you. Maintenance and Service Guide Removal and Replacement Procedures 409911-201...
Page 122 Removal and Replacement Procedures 3. Remove the four Torx8 T8M2.5×9.0 screws that secure the keyboard to the computer. Removing the Keyboard Screws 4. Turn the computer display-side up with the front toward you. 5. Open the computer as far as possible. 6.
Page 123 7. Release the zero insertion force (ZIF) connector 1 to which the keyboard cable is attached and disconnect the keyboard cable 2. ✎ Step 8 applies only to computer models equipped with a pointing stick. 8. Release the ZIF connector 3 to which the pointing stick cable is attached and disconnect the pointing stick cable 4.
Page 124: Internal Memory Module
Removal and Replacement Procedures 5.12 Internal Memory Module Memory Module Spare Part Number Information 1-DIMM, PC2-5300 2048 MB 1024 MB 512 MB 256 MB 1. Prepare the computer for disassembly 2. Release the keyboard 5–24 1-DIMM, PC2-4200 409967-001 2048 MB 409966-001 1024 MB 409965-001...
Page 125 3. Spread the retaining tabs 1 on each side of the memory module socket to release the memory module. (The edge of the module opposite the socket rises away from the computer.) 4. Slide the module 2 away from the socket at an angle . 5.
Page 126: Touchpad
Removal and Replacement Procedures 5.13 TouchPad TouchPad Spare Part Number Information ✎ All TouchPad spare part kits include a TouchPad cable. TouchPad with 3 pointing stick buttons, 2 TouchPad buttons, and fingerprint sensor, for use with keyboards with Pointing Stick TouchPad with 3 pointing stick buttons and 3 TouchPad buttons, for use with keyboards with pointing stick TouchPad with 2 TouchPad buttons and fingerprint sensor, for...
Page 127 Removal and Replacement Procedures 4. Remove the Torx8 T8M2.5×9.0 screw that secures the TouchPad to the computer. Removing the TouchPad Screw Maintenance and Service Guide 5–27...
Page 128 Removal and Replacement Procedures 5. Turn the computer display-side up with the front toward you. 6. Open the computer. 7. Disconnect the TouchPad cable 1 from the system board. ✎ Step 8 applies only to computer models equipped with a fingerprint reader.
Page 129 11. If it is necessary to replace the TouchPad cable, turn the TouchPad upside down. 12. Disconnect the TouchPad cable 1 from the TouchPad board. 13. Remove the TouchPad cable from the clips 2 in the TouchPad frame. ✎ The TouchPad cable is included in the Cable Kit, spare part number 409990-001.
Page 130: Modem Module
Removal and Replacement Procedures 5.14 Modem Module Modem Module Spare Part Number Information Modem module 1. Prepare the computer for disassembly 2. Remove the keyboard 3. Remove the TouchPad 5–30 (Section (Section 5.11). (Section 5.13). Maintenance and Service Guide 409941-001 5.3).
Page 131 4. Remove the two Phillips PM2.0×4.0 screws 1 that secure the modem module to the system board. 5. Lift the right side of the modem module 2 to disconnect it from the system board. 6. Disconnect the modem cable 3 from the modem module. ✎...
Page 132: Switch Cover
Removal and Replacement Procedures 5.15 Switch Cover Switch Cover Spare Part Number Information Switch cover Lid switch board 1. Prepare the computer for disassembly 2. Turn the computer upside down with the rear panel toward you. 3. Remove the four Torx8 T8M2.5×4.0 screws in the battery bay that secure the switch cover to the computer.
Page 133 4. Turn the computer display-side up with front toward you. 5. Open the computer as far as possible. 6. Insert a thin flat-bladed tool under the hinge cover sections 1 of the switch cover and lift up until the switch cover 2 disengages from the computer.
Page 134: Led Board
Removal and Replacement Procedures 5.16 LED Board LED Board Spare Part Number Information LED board (includes LED board cable) 1. Prepare the computer for disassembly 2. Remove the switch cover 3. Remove the four Torx8 T8M2.5×4.0 screws 1 and the Torx8 T8M2.5×19.0 screw 2 that secure the LED board to the computer.
Page 135: Fan Assembly
5.17 Fan Assembly Fan Assembly Spare Part Number Information Fan Assembly 1. Prepare the computer for disassembly 2. Release the keyboard 3. Disconnect the fan cable 1 from the system board. 4. Remove the two Torx8 T8M2.5×7.0 screws 2 that secure the fan assembly to the base enclosure.
Page 136: Processor Heat Sink
Removal and Replacement Procedures 5.18 Processor Heat Sink Processor Heat Sink Spare Part Number Information Processor heat sink (includes thermal paste) 1. Prepare the computer for disassembly 2. Release the keyboard 3. Remove the fan assembly 4. Loosen the four Phillips PM2.5×7.0 screws 1 that secure the heat sink to the system board.
Page 137 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 138: Processor
Removal and Replacement Procedures 5.19 Processor Processor Spare Part Number Information ✎ All processor spare part kits include thermal paste. Intel Core Duo T2600 (2.17-GHz) processor Intel Core Duo T2500 (2.00-GHz) processor Intel Core Duo T2400 (1.83-GHz) processor Intel Core Duo T2300 (1.67-GHz) processor 1.
Page 139 2. Use a flat-bladed screwdriver to turn the processor locking screw 1 one-half turn counterclockwise until you hear a click. 3. Lift the processor 2 straight up and remove it. ✎ The gold triangle 3 on the processor should be aligned with the triangle 4 embossed on the processor socket when you install the processor.
Page 140: Video Board Heat Sink
Removal and Replacement Procedures 5.20 Video Board Heat Sink Video Board Heat Sink Spare Part Number Information ✎ All video board heat sink spare part kits include thermal pads. Video board heat sink for use with M56 video board (includes thermal pads) Video board heat sink for use with G71 video board (includes thermal pads)
Page 141 4. Loosen the four Phillips PM2.5×7.0 screws 1 that secure the video board heat sink to the computer. 5. Remove the two Torx8 T8M2.5×4.0 screws 2 that secure the top cover hinge to the computer. Loosening the Video Board Heat Sink Screws Maintenance and Service Guide Removal and Replacement Procedures 5–41...
Page 142 Removal and Replacement Procedures 6. Lift the rear edge of the top cover hinge 1 until it rests at an angle. 7. Lift the front edge of the video board heat sink 2 until it clears the top cover hinge, and then slide the video board heat sink forward and remove it.
Page 143 Removal and Replacement Procedures ✎ The thermal pads should be thoroughly cleaned from the surfaces of the video boards 1 and video board heat sink 2 each time the video board heat sink is removed. Thermal paste is included with all video board heat sink and video board spare part kits.
Page 144: Video Board
Removal and Replacement Procedures 5.21 Video Board Video Board Spare Part Number Information Video board (includes thermal pads) 1. Prepare the computer for disassembly 2. Remove the fan assembly 3. Remove the video board heat sink 4. Use a 5.0-mm hex socket to remove the two HM5.0×9.0 screw locks that secure the video board to the computer.
Page 145 5. Lift the front edge of the video board 1 until it clears the top cover hinge. 6. Slide the video board forward 2 at an angle and remove it from the socket. ✎ The video board is designed with a notch 3 to prevent incorrect installation.
Page 146: Display Assembly
Removal and Replacement Procedures 5.22 Display Assembly Display Assembly Spare Part Number Information ✎ All display assemblies include wireless antenna transceivers and cables. 17.0-inch, WUXGA+WVA with AntiGlare 17.0-inch, WSXGA+WVA with AntiGlare 17.0-inch, WXGA+WVA with AntiGlare 17.0-inch, WSXGA+WVA with BrightView 1. Prepare the computer for disassembly 2.
Page 147 4. Close the computer and turn it upside down with the rear panel toward you. 5. Remove the four Torx8 T8M2.5×9.0 screws 1 from the computer bottom that secure the display assembly to the computer. 6. Remove the two Torx8 T8M2.5×9.0 screws 2 from the computer rear panel that secure the display assembly to the computer.
Page 148 Removal and Replacement Procedures 7. Turn the computer display-side up with the front toward you. 8. Open the computer as far as it will open. 9. Disconnect the display cable 1 from the system board. 10. Remove the wireless antenna cables 2 from the Mini Card compartment and the top cover clips.
Page 149 Ä CAUTION: Support the display assembly when removing the following screws. Failure to support the display assembly can result in damage to the display assembly and other computer components. 12. Remove the two Torx8 T8M2.5×4.0 screws 1 that secure the display assembly to the computer.
Page 150: Display Assembly Subcomponents
Removal and Replacement Procedures Display Assembly Subcomponents Spare Part Number Information Item Description Display bezel Display Hinge Kit Display inverter Display panels 17.0-inch, WUXGA+WVA with AntiGlare 17.0-inch, WSXGA+WVA with AntiGlare 17.0-inch, WXGA+WVA with AntiGlare 17.0-inch, WSXGA+WVA with BrightView Wireless Antenna Kit Display Screw Kit Display enclosure Display Bracket Kit (includes top, middle, and bottom brackets)
Page 151 14. Remove the following display bezel screw covers: 1 Two rounded rubber screw covers 2 Two flat rubber screw covers 3 Two long oblong rubber screw covers 4 Two short oblong rubber screw covers ✎ The display bezel screw covers are available in the Display Screw Kit, spare part number 409940-001.
Page 152 Removal and Replacement Procedures 15. Remove the following display bezel screws: 1 Six Torx8 T8M2.5×7.0 screws 2 Two Phillips PM2.0×6.0 screws 3 Two stabilizer clips ✎ The display bezel screws and the stabilizer clips are available in the Display Screw Kit, spare part number 409940-001. Removing the Display Bezel Screws 5–52 Maintenance and Service Guide...
Page 153 Display Assembly Subcomponents Spare Part Number Information Display bezel 16. Flex the inside edges of the left and right sides 1 of the display bezel and the inside edges of the top and bottom sides 2 of the display bezel until the bezel disengages from the display assembly.
Page 154 Removal and Replacement Procedures 18. Remove the four mylar screw covers 1 and the four Torx8 T8M2.5×4.0 screws 2 that secure the display panel to the display enclosure. ✎ The mylar screw covers are available in the Display Screw Kit, spare part number 409940-001.
Page 155 19. Remove the following display panel screws: 1 Two Torx8 T8M2.5×4.0 screws that secure the display panel to the display enclosure 2 Two Phillips PM2.5×7.0 screws that secure the display panel to the display enclosure 3 One Torx8 T8M2.5×4.0 screw that secures the ambient light sensor board to the display enclosure 4 One Torx8 T8M2.5×4.0 screw that secures the display inverter to the display enclosure...
Page 156 Removal and Replacement Procedures Display Assembly Subcomponents Spare Part Number Information Item Description Display inverter Display panels 17.0-inch, WUXGA+WVA with AntiGlare 17.0-inch, WSXGA+WVA with AntiGlare 17.0-inch, WXGA+WVA with AntiGlare 17.0-inch, WSXGA+WVA with BrightView Display Cable Kit 20. Remove the display panel 1, ambient light sensor board 2, and display inverter 3 from the display enclosoure.
Page 157 21. Disconnect the following cables: 1 Ambient light sensor board cable 2 Display panel cable 3 Backlight cable 22. Remove the ambient light sensor board and display inverter. Removing the Display Inverter and Ambient Light Sensor Board Maintenance and Service Guide Removal and Replacement Procedures 5–57...
Page 158 Removal and Replacement Procedures Display Assembly Subcomponents Spare Part Number Information Item Description Display Hinge Kit 23. If it is necessary to replace a display hinges, remove the four Phillips PM2.0×4.0 screws 1 that secure each hinge to the display panel. 24.
Page 159 Removal and Replacement Procedures 25. If it is necessary to replace the display latch actuator 1, remove the actuator from the display enclosure by using a small flat-bladed tool to press out on the tabs 2 on the actuator. Removing the Display Latch Actuator Maintenance and Service Guide 5–59...
Page 160 Removal and Replacement Procedures 26. If it is necessary to replace the display latch arm, slide and hold the arm 1 to the right. 27. Lift the right side of the arm 2 and swing it up and to the left until it rests at an angle.
Page 161 Display Assembly Subcomponents Spare Part Number Information Item Description Wireless Antenna Kit 30. If it is necessary to replace the wireless antenna transceivers and cables, release the retention tabs 1 built in to the display enclosure shield that secure the wireless antenna cables to the display enclosure.
Page 162 Removal and Replacement Procedures 33. If it is necessary to replace the microphone and cable, release the retention tabs 1 built in to the display enclosure shield that secure the microphone cable to the display enclosure. 34. Remove the microphone 2 from the clip in the display enclosure.
Page 163: Top Cover
5.23 Top Cover Top Cover Spare Part Number Information Top cover Fingerprint sensor board 1. Prepare the computer for disassembly and then remove the following components: a. Hard drive b. Memory/Mini PCI module compartment cover (Section c. Optical drive d. Keyboard e.
Page 164 Removal and Replacement Procedures 3. Remove the fourteen Torx8 T8M2.5×9.0 screws that secure the top cover to the computer. Removing the Top Cover Screws, Part 1 4. Turn the computer right-side up with the front toward you. 5. Remove the two Torx8 T8M2.5×7.0 screws that secure the top cover to the computer.
Page 165 6. Lift the rear edge of the top cover 1 to disengage it from the base enclosure. 7. Swing the top cover 2 up and forward until the left and right sides of the top cover disengage from the base enclosure. 8.
Page 166: Speaker
Removal and Replacement Procedures 5.24 Speaker Speaker Spare Part Number Information Speaker 1. Prepare the computer for disassembly and then remove the following components: a. Hard drive b. Memory/Mini PCI module compartment cover (Section c. Optical drive d. Keyboard e. Switch cover f.
Page 167 2. Disconnect the speaker cable 1 from the system board. 3. Remove the speaker 2 from the base enclosure. Removing the Speaker Reverse the above procedure to install the speaker. Maintenance and Service Guide Removal and Replacement Procedures 5–67...
Page 168: System Board
Removal and Replacement Procedures 5.25 System Board System Board Spare Part Number Information System board ✎ When replacing the system board, ensure that the following components are removed from the defective system board and installed on the replacement system board: ■...
Page 169 1. Prepare the computer for disassembly and then remove the following components: a. Hard drive b. Bluetooth module c. Optical drive d. Keyboard e. Switch cover f. LED board g. Display assembly h. Top cover i. Speaker j. Fan assembly k.
Page 170 Removal and Replacement Procedures 2. Disconnect the the following cables from the system board: 1 Network cable 2 Modem cable 3 Bluetooth module cable 4 USB/audio board cable ✎ The network cable, modem cable, Bluetooth module cable, and USB/audio cable are available in the Cable Kit, spare part number 409990-001.
Page 171 3. Remove the Torx8 T8M2.5×7.0 screw 1 that secures the system board to the base enclosure. 4. Use the optical drive connector 2 to lift the right side of the system board until it rests at an angle. 5. Slide the system board 3 to the right at an angle until it clears the base enclosure.
Page 172 Removal and Replacement Procedures 6. If it is necessary to replace the modem connector and cable, remove the connector 1 from the clip in the base enclosure and remove the cable 2 from the routing channel in the base enclosure. ✎...
Page 173 7. If it is necessary to replace the network connector and cable, remove the connector 1 from the clip in the base enclosure and remove the cable 2 from the routing channel in the base enclosure. ✎ The network cable is available in the Cable Kit, spare part number 409990-001.
Page 174 Removal and Replacement Procedures 8. If it is necessary to replace the Bluetooth module cable, remove the cable 1 from the clips 2 in the base enclosure and remove the cable from the routing channel 3 in the base enclosure. ✎...
Page 175: Usb/Audio Board
5.26 USB/Audio Board ✎ Full-featured models are equipped with a USB/audio board. Defeatured models are equipped with an audio board. The removal procedures are identical for both boards. USB/Audio Board Spare Part Number Information USB/audio board 1. Prepare the computer for disassembly and then remove the following components: a.
Page 176 Removal and Replacement Procedures 2. Remove the USB cable 1 and audio cable 2 from the clips in the base enclosure. 3. Release the clip 3 that secures the USB/audio board to the base enclosure. 4. Remove the USB/audio board 4 from the base enclosure. Removing the USB/Audio Board 5–76 Maintenance and Service Guide...
Page 177 Removal and Replacement Procedures 5. If it is necessary to replace the USB/audio board cable, disconnect the cable from the board. ✎ The USB/audio board cable is included with the USB/audio board spare part kit and is also available in the Cable Kit, spare part number 409990-001.
Page 178: Pc Card/Smart Card Assembly
Removal and Replacement Procedures 5.27 PC Card/Smart Card Assembly PC Card/Smart Card Assembly Spare Part Number Information PC Card/smart card assembly 1. Prepare the computer for disassembly and then remove the following components: a. Hard drive b. Bluetooth module c. Optical drive d.
Page 179 2. Turn the system board upside down with the PC Card eject button facing away from you. 3. Remove the four Phillips PM2.0×4.0 screws that secure the PC Card/smart card assembly to the system board. Removing the PC Card/Smart Card Assembly Screws Maintenance and Service Guide Removal and Replacement Procedures 5–79...
Page 180 Removal and Replacement Procedures 4. Turn the system board top-side up with the PC Card eject button facing away from you. 5. Remove the PC Card/smart card assembly from the system board. Removing the PC Card/Smart Card Assembly Reverse the above procedure to install the PC Card/smart card assembly.
Page 181 This chapter provides physical and performance specifications. Dimensions Height (front to back) Width Depth Weight HP Compaq nw9440 with 17.0-inch display, optical drive, and 8-cell battery pack HP Compaq nx9420 with 17.0-inch display, optical drive, and 8-cell battery pack Input Power...
Page 182 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 183 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 17.0-inch, WUXGA+WVA 24.4 cm 38.1 cm 43.2 cm Up to 16.8 million 200:1 180 nits typical 0.172 ×...
Page 184 Specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration Backlight Character display Total power consumption Viewing angle 6–4 Table 6-3 17.0-inch, WSXGA+WVA 24.4 cm 38.1 cm 43.2 cm Up to 16.8 million 200:1 180 nits typical 0.197 ×...
Page 185 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 6-4 17.0-inch, WXGA+WVA 24.4 cm 38.1 cm 43.2 cm Up to 16.8 million 200:1 180 nits typical 0.259 ×...
Page 186: 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† Disc 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 187 Primary 8-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 6-6 2.00 cm 26.80 cm 5.30 cm 0.34 kg 14.4 V 4.8 Ah 69 Wh 5°C to 45°C 0°C to 60°C Specifications 0.79 in...
Page 188 Specifications DVD±RW and CD-RW Combo Drive Applicable disc Center hole diameter Disc diameter Standard disc Mini disc 6–8 Table 6-7 Read: DVD-R, DVD-RW, DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18), CD-ROM (Mode 1 and 2) CD Digital Audio CD-XA ready (Mode 2, Form 1 and 2) CD-I ready (Mode 2, Form 1 and 2)
Page 189 DVD±RW and CD-RW Combo Drive (Continued) Disc thickness Track pitch Access time Random Full stroke Audio output level Cache buffer Data transfer rate CD-R (16X) CD-RW (8X) CD-ROM (24X) DVD (8X) DVD-R (4X) DVD-RW (2X) Multiword DMA mode 2 Startup time Stop time Maintenance and Service Guide Table 6-7...
Page 190 Specifications Applicable disc Center hole diameter Disc diameter Standard disc Mini disc 6–10 Table 6-8 DVD/CD-RW Combo Drive Read: DVD-R, DVD-RW, DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18) CD-ROM (Mode 1 and 2) CD Digital Audio CD-XA ready (Mode 2, Form 1 and 2) CD-I ready (Mode 2, Form 1 and 2) CD-R, CD-RW...
Page 191 DVD/CD-RW Combo Drive (Continued) Disc thickness Track pitch Access time Random Full stroke Audio output level Cache buffer Data transfer rate CD-R (24X) CD-RW (10X) CD-ROM (24X) DVD (8X) Multiword DMA mode 2 Startup time Stop time Maintenance and Service Guide Table 6-8 1.2 mm (0.047 in) 0.74 µm...
Page 192: System Dma
Specifications Hardware DMA DMA0 DMA1* DMA2* DMA3 DMA4 DMA5* DMA6 DMA7 *PC Card controller can use DMA 1, 2, or 5. 6–12 Table 6-9 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 193: System Interrupts
Hardware IRQ IRQ0 IRQ1 IRQ2 IRQ3 IRQ4 IRQ5* IRQ6 IRQ7* IRQ8 IRQ9* IRQ10* Maintenance and Service Guide Table 6-10 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 194 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. 6–14 Table 6-10 Intel USB EHCI controller—24CD...
Page 195 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 196 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 197 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 198: 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 6–18 Table 6-12 System Memory Map System Function Base memory...
Page 199: 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 409945-001, and the Display Screw Kit, spare part number 409940-001.
Page 200 Screw Listing Where used: 2 screws that secure the hard drive cover to the hard drive (screws are captured on the cover by C clips; documented in Phillips PM2.5×17.0 Screw Locations A–2 Table A-2 Phillips PM2.5×17.0 Screw Color Qty. Black Section Length Thread...
Page 201 Phillips PM2.5×13.0 Spring-Loaded Screw Where used: One screw that secures the hard drive to the computer (screw is captured on the cover by C clip; documented in Phillips PM2.5×13.0 Screw Location Maintenance and Service Guide Table A-3 Color Qty. Length Silver 13.0 mm Section...
Page 202 Screw Listing Where used: 3 screws that secure the memory/Mini Card module compartment cover to the computer (screws are captured on the hard drive frame by C clips; documented Section 5.7) Phillips PM2.5×4.0 Screw Locations A–4 Table A-4 Phillips PM2.5×4.0 Screw Color Qty.
Page 203 Where used: 2 screws that secure the Mini Card WLAN module to the computer (documented Section 5.8) Phillips PM2.0×4.0 Screw Locations Maintenance and Service Guide Table A-5 Phillips PM2.0×4.0 Screw Color Qty. Silver Screw Listing Length Thread 4.0 mm 2.0 mm Head Width 4.5 mm...
Page 204 Screw Listing Phillips PM2.0×4.0 Screw (Continued) Where used: 2 screws that secure the optical drive bracket to the optical drive (documented in Section 5.10) Phillips PM2.0×4.0 Screw Locations A–6 Table A-5 Color Qty. Length Silver 4.0 mm Maintenance and Service Guide Head Thread Width...
Page 205 Phillips PM2.0×4.0 Screw (Continued) Where used: 2 screws that secure the modem module to the computer (documented in Section 5.14) Phillips PM2.0×4.0 Screw Locations Maintenance and Service Guide Table A-5 Color Qty. Length Silver 4.0 mm Screw Listing Head Thread Width 2.0 mm 4.5 mm...
Page 206 Screw Listing Phillips PM2.0×4.0 Screw (Continued) Where used: 8 screws that secure the display hinge to the display panel (documented in Section 5.22) Phillips PM2.0×4.0 Screw Locations A–8 Table A-5 Color Qty. Length Silver 4.0 mm Maintenance and Service Guide Head Thread Width...
Page 207 Phillips PM2.0×4.0 Screw (Continued) Where used: 4 screws that secure the PC Card/smart card assembly to the system board (documented in Section Phillips PM2.0×4.0 Screw Locations Maintenance and Service Guide Table A-5 Color Qty. Silver 5.27) Screw Listing Length Thread 4.0 mm 2.0 mm Head...
Page 208 Screw Listing Where used: One screw that secures the optical drive to the computer (documented in Section 5.10) Four screws that secure the keyboard to the computer (documented in Section 5.11) One screw that secures the TouchPad to the computer (documented in Section 5.13) Torx8 T8M2.5×9.0 Screw Locations...
Page 209 Torx8 T8M2.5×9.0 Screw (Continued) Where used: 6 screws that secure the display assembly to the computer (documented in Section 5.22) Torx8 T8M2.5×9.0 Screw Locations Maintenance and Service Guide Table A-6 Color Qty. Length Black 9.0 mm Screw Listing Head Thread Width 2.5 mm 5.0 mm...
Page 210 Screw Listing Torx8 T8M2.5×9.0 Screw (Continued) Where used: 14 screws that secure the top cover to the computer (documented in Section 5.23) Torx8 T8M2.5×9.0 Screw Locations A–12 Table A-6 Color Qty. Length Black 9.0 mm Maintenance and Service Guide Head Thread Width 2.5 mm...
Page 211 Where used: 4 screws that secure the switch cover to the computer (documented in Section 5.15) Torx8 T8M2.5×4.0 Screw Locations Maintenance and Service Guide Table A-7 Torx8 T8M2.5×4.0 Screw Color Qty. Black Screw Listing Length Thread 4.0 mm 2.5 mm Head Width 5.0 mm...
Page 212 Screw Listing Torx8 T8M2.5×4.0 Screw (Continued) Where used: 4 screws that secure the LED board to the computer (documented in Section 5.16) Torx8 T8M2.5×4.0 Screw Locations A–14 Table A-7 Color Qty. Length Black 4.0 mm Maintenance and Service Guide Head Thread Width 2.5 mm...
Page 213 Torx8 T8M2.5×4.0 Screw (Continued) Where used: 2 screws that secure the video board heat sink to the computer (documented in Section 5.20) Torx8 T8M2.5×4.0 Screw Locations Maintenance and Service Guide Table A-7 Color Qty. Length Black 4.0 mm Screw Listing Head Thread Width...
Page 214 Screw Listing Torx8 T8M2.5×4.0 Screw (Continued) Where used: 2 screws that secure the display assembly to the computer (documented in Section 5.22) Torx8 T8M2.5×4.0 Screw Locations A–16 Table A-7 Color Qty. Length Black 4.0 mm Maintenance and Service Guide Head Thread Width 2.5 mm...
Page 215 Torx8 T8M2.5×4.0 Screw (Continued) Where used: 4 screws that secure the display panel to the display enclosure (documented in Section 5.22) Torx8 T8M2.5×4.0 Screw Locations Maintenance and Service Guide Table A-7 Color Qty. Length Black 4.0 mm Screw Listing Head Thread Width 2.5 mm...
Page 216 Screw Listing Torx8 T8M2.5×4.0 Screw (Continued) Where used: Two screws that secure the display panel to the display enclosure (documented in Section One screw that secures the ambient light sensor board to the display enclosure (documented in One screw that secures the inverter board to the display enclosure (documented in Section Torx8 T8M2.5×4.0 Screw Locations...
Page 217 Where used: One screw that secures the LED board to the computer (documented in Section 5.16) Torx8 T8M2.5×19.0 Screw Location Maintenance and Service Guide Table A-8 Torx8 T8M2.5×19.0 Screw Color Qty. Black Screw Listing Length Thread 19.0 mm 2.5 mm Head Width 5.0 mm...
Page 218 Screw Listing Where used: 2 screws that secure the fan assembly to the computer (documented in Section 5.17) Torx8 T8M2.5×7.0 Screw Locations A–20 Table A-9 Torx8 T8M2.5×7.0 Screw Color Qty. Black Length Thread 7.0 mm 2.5 mm Maintenance and Service Guide Head Width 5.0 mm...
Page 219 Torx8 T8M2.5×7.0 Screw (Continued) Where used: 6 screws that secure the display bezel to the display assembly (documented in Section 5.22) Torx8 T8M2.5×7.0 Screw Locations Maintenance and Service Guide Table A-9 Color Qty. Length Black 7.0 mm Screw Listing Head Thread Width 2.5 mm...
Page 220 Screw Listing Torx8 T8M2.5×7.0 Screw (Continued) Where used: 2 screws that secure the top cover to the computer (documented in Section 5.23) Torx8 T8M2.5×7.0 Screw Locations A–22 Table A-9 Color Qty. Length Black 7.0 mm Maintenance and Service Guide Head Thread Width 2.5 mm...
Page 221 Torx8 T8M2.5×7.0 Screw (Continued) Where used: One screw that secures the system board to the base enclosure (documented in Section 5.25) Torx8 T8M2.5×7.0 Screw Location Maintenance and Service Guide Table A-9 Color Qty. Length Black 7.0 mm Screw Listing Head Thread Width 2.5 mm...
Page 222 Screw Listing Where used: 4 screws that the processor heat sink to the computer (screws are secured to the heat sink by C clips; documented in Phillips PM2.5×7.0 Screw Locations A–24 Table A-10 Phillips PM2.5×7.0 Screw Color Qty. Silver Section Length Thread 7.0 mm...
Page 223 Phillips PM2.5×7.0 Screw (Continued) Where used: 4 screws that secure the video board heat sink to the computer (screws are secured to the heat sink by C clips; documented in Phillips PM2.5×7.0 Screw Locations Maintenance and Service Guide Table A-10 Color Qty.
Page 224 Screw Listing Phillips PM2.5×7.0 Screw (Continued) Where used: 2 screws that secure the display panel to the display enclosure (documented in Section 5.22) Phillips PM2.5×7.0 Screw Locations A–26 Table A-10 Color Qty. Length Silver 7.0 mm Maintenance and Service Guide Head Thread Width...
Page 225 Hex Socket HM5.0×9.0 Screw Locks Where used: 2 screw locks that secure the video board to the computer (documented in Section 5.21) HM5.0×9.0 Screw Lock Locations Maintenance and Service Guide Table A-11 Color Qty. Length Silver 9.0 mm Screw Listing Head Thread Width...
Page 226 Screw Listing Where used: 2 screws that secure the display bezel to the display enclosure (documented in Section 5.22) Phillips PM2.0×6.0 Screw Locations A–28 Table A-12 Phillips PM2.0×6.0 Screws Color Qty. Silver Length Thread 6.0 mm 2.0 mm Maintenance and Service Guide Head Width 4.5 mm...
Page 227: 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 228: 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 229: 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 230 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 231: 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 232: 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 233: 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 234: 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 235 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 236 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 237 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 238 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 239 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 240 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 241 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 242 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 243 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 244 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 245 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 246 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 247 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 248 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 249: 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 250: 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 251 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 252: 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 253 Signal Unused Ring Maintenance and Service Guide Table D-6 RJ-11 (Modem) Signal Unused Unused Unused Connector Pin Assignments D–5...
Page 254 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 255: 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 256: 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 257 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 258 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 259 4–3 1394 port 1–11 AC adapter, spare part numbers 3–21 accessory battery connector 1–20 arrow keys 1–15 audio troubleshooting 2–25 audio-in jack location 1–9 pin assignments D–2 audio-out jack location 1–9 pin assignments D–1 base enclosure, spare part number 3–9 battery bay 1–13 battery light 1–7 battery locking latch 1–20...
Page 260 Index right-side 1–8 top 1–16 computer feet illustrated 3–18 locations 5–10 Computer Setup overview 2–1 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 modem D–5 monitor D–4 network D–6 RJ-11 D–5 RJ-45 D–6 S-Video-out D–3 Universal Serial Bus (USB)
Page 261 display panel illustrated 3–16 removal 5–56 spare part numbers 3–17 3–33 3–34 display release button 1–7 Display Screw Kit, spare part number 3–17 docking connector 1–20 docking device, troubleshooting 2–18 drive light 1–7 drives, preventing damage 4–3 DVD/CD-RW Combo Drive OS loading problems 2–24 precautions 4–3 removal 5–18...
Page 262 1–21 hard drive cover illustrated 3–18 removal 5–7 headphone jack location 1–9 pin assignments D–1 HP Docking Station, spare part number 3–21 HP Extended Life Battery, spare part number 3–21 3–24 Index–4 I/O address specifications interrupt specifications 6–13 keyboard keyboard components 1–12...
Page 263 memory module compartment 1–21 memory/Mini Card module cover illustrated 3–18 removal 5–12 microphone illustrated 3–19 removal 5–62 microphone jack location 1–9 pin assignments D–2 Mini Card compartment 1–21 Mini Card module removal 5–14 spare part numbers 3–11 3–13 3–15 5–14 Miscellaneous Plastics Kit (for use with docking device), spare part number 3–21...
Page 264 Index PC Card/smart card assembly removal 5–78 spare part number 3–9 3–31 5–78 plastic parts 4–2 Plastics Kit contents 3–18 spare part number 3–7 3–18 3–31 pointing device, troubleshooting 2–29 pointing stick 1–19 pointing stick buttons 1–19 power button 1–16 power connector 1–10 power cord set requirements E–2...
Page 265 DVD/CD-RW Combo Drive 6–10 DVD±RW and CD-RW Combo Drive 6–8 hard drive 6–6 I/O addresses 6–15 interrupts 6–13 memory map 6–18 optical drive 6–8 system DMA 6–12 static shielding materials 4–8 S-Video-out jack location 1–10 pin assignments D–3 switch cover removal 5–32 spare part number 3–3 3–31...
Page 266 Index USB/audio board removal 5–75 spare part number 3–7 3–33 5–75 USB/audio board cable illustrated 3–19 removal 5–77 vents 1–21 video board removal 5–44 spare part number 3–9 3–32 5–44 video board heat sink removal 5–40 spare part numbers 3–7 3–31 3–34 video troubleshooting 2–16...

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Nx9420 Compaq nw9440

HP nw9440 Maintenance And Service Manual

1 Product Description

2 Troubleshooting

3 Illustrated Parts Catalog

4 Removal and Replacement Preliminaries

5 Removal and Replacement Procedures

Quick Links

Troubleshooting

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