Page 1 Maintenance and Service Guide HP Compaq nw9440 Notebook PC HP Compaq nx9420 Notebook PC Document Part Number: 412725-003 May 2007 This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides comprehensive information on identifying computer features, components, and spare parts;...
Page 2 HP shall not be liable for technical or editorial errors or omissions contained herein. Maintenance and Service Guide HP Compaq nw9440 Notebook PC HP Compaq nx9420 Notebook PC Third Edition: May 2007...
Page 3: Table Of Contents
Contents 1 Product Description 1.1 Features ........1–2 1.2 Resetting the Computer.
Page 4 Contents 4 Removal and Replacement Preliminaries 4.1 Tools Required ......4–1 4.2 Service Considerations ..... . . 4–2 Plastic Parts .
Page 5: Specifications
Contents 5.23 Top Cover ....... 5–63 5.24 Speaker ....... . . 5–66 5.25 System Board .
Page 6 Contents 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 Product Description ■ 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 Section 5.3, “Preparing the Computer for Disassembly,” for more information).
Page 11: Power Management
Product Description 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 Table 1-1 Front Components Item Component Function Wireless light On: An integrated wireless device, such as a wireless local area network (LAN) device and/or a Bluetooth®...
Page 13 Product Description Table 1-1 Front Components (Continued) Item Component Function ■ Amber: A battery pack is charging. Battery light ■ Green: A battery pack is close to full charge capacity. ■ Blinking amber: A battery pack that is the only available power source has reached a low-battery condition.
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
Product Description Table 1-2 Right-Side Components Item Component Function Audio-out Connect optional headphones or powered (headphone) jack stereo speakers. Also connects the audio function of an audio/video device such as a television or VCR. Audio-in Connects an optional monaural (microphone) jack microphone.
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 Table 1-3 Left-Side Components Item Component Function Exhaust vent Provides airflow to cool internal components. Ä To prevent overheating, do not obstruct vents.
Page 17 Product Description Table 1-3 Left-Side Components (Continued) Item Component Function 1394 port Connects an optional 1394a device such as a scanner, digital camera, or digital camcorder. Smart card slot Supports optional smart cards. PC Card slot 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
Product Description Table 1-4 Rear Panel Components Item Component Function Security cable slot Attaches an optional security cable to the computer. Ä Security solutions are designed to act as deterrents. These deterrents may not prevent a product from being mishandled or stolen. Battery bay Holds a battery pack.
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 Product Description Table 1-5 Standard Keyboard Components Item Component Function f1 to f12 keys (12) Perform system and application tasks. When combined with the fn key, several keys and buttons perform additional tasks as hotkeys. caps lock key Enables caps lock and turns on the caps lock light.
Page 22: Top Components
Product Description The computer top components are shown below and described in Table 1-6. Top Components Table 1-6 Top Components Item Component Function ■ On: The computer is on. Power light ■ Blinking: The computer is in standby. ■ Blinking rapidly: An AC adapter with a higher power rating should be connected.
Page 23 Product Description Table 1-6 Top Components (Continued) Item Component Function Wireless button Turns the wireless functionality on or off, but does not create a wireless connection. ✎ To establish a wireless connection, a wireless network must already be set up. Wireless light On: An integrated wireless device, such as a wireless local area network (LAN) device...
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
Product Description Table 1-7 Pointing Device Components Item Component Function Pointing stick Moves the pointer and selects or activates (select models only) items on the screen. Pointing stick buttons Function like the left, middle, and right (select models only) buttons on an external mouse. TouchPad Moves the pointer and selects or activates items on the screen.
Page 26: Bottom Components
Product Description The external components on the bottom of the computer are shown below and described in Table 1-8. Bottom Components Table 1-8 Bottom Components Item Component Function Primary battery bay Holds the primary battery pack. Primary battery locking Secures the primary battery pack into latch the battery bay.
Page 27 Product Description Table 1-8 Bottom Components (Continued) Item Component Function Memory module Contains one memory slot that supports compartment replaceable memory modules. Mini Card compartment Holds an optional wireless LAN device. Ä To prevent an unresponsive system and the display of a warning message, install only a Mini Card device authorized for use in your computer by the...
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 Chapter 3, “Illustrated Parts Catalog,” to identify replacement parts, and Chapter 5, “Removal and Replacement Procedures,” for disassembly steps. The system board provides the following device connections: ■...
Page 29: Troubleshooting
Troubleshooting WARNING: Only authorized technicians trained by HP should repair Å 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 while the “F10 = ROM Based Setup” message is displayed in the lower-left corner of the screen. In Computer Setup, the following shortcuts are available: ❏...
Page 31: Computer Setup Defaults
Troubleshooting 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 while the “F10 = ROM 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. Table 2-1 File Menu Select To Do This ■...
Page 33: Security Menu
Troubleshooting Table 2-2 Security Menu Select To Do This Setup password Enter, change, or delete a setup password. Power-on password Enter, change, or delete a power-on password. ■ Enable/disable stringent security. Password options ■ Enable/disable password requirement on computer restart. ■...
Page 34: Diagnostics Menu
Troubleshooting Table 2-2 Security Menu (Continued) Select To Do This System IDs Enter user-defined computer asset and ownership tag. Disk Sanitizer Run Disk Sanitizer to destroy all existing data on the primary hard drive. The following options are available: ✎ Fast: Runs the Disk Sanitizer erase cycle once.
Page 35: System Configuration Menu
Troubleshooting Table 2-4 System Configuration Menu Select To Do This Language (or press f2). Change the Computer Setup language. ■ Set f9, f10, and f12 delay when starting up. Boot options ■ Enable/disable CD-ROM boot. ■ Enable/disable Floppy boot. ■ Enable/disable internal network adapter boot and set the boot mode (PXE or RPL).
Page 36 Troubleshooting Table 2-4 System Configuration Menu (Continued) Select To Do This ■ Swap the functions of the fn key and left ctrl Device configurations 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 Troubleshooting Table 2-4 System Configuration Menu (Continued) Select To Do This ■ Enable/disable SATA Native Support. Device configurations (Continued) ■ Enable/disable Dual Core CPU. ■ Enable/disable Secondary Battery Fast Charge. ■ Enable/disable embedded WWAN Device Built-In Device Options Radio. ■ Enable/disable embedded WLAN Device Radio.
Page 38: Troubleshooting Flowcharts
Troubleshooting 2.2 Troubleshooting Flowcharts Table 2-5 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
Troubleshooting Flowchart 2.1—Initial Troubleshooting Begin troubleshooting. Go to Is there “Flowchart power? 2.2—No Power, Part 1.” Check Beeps, LED board, LEDs, or error speaker messages? connections. Go to All drives “Flowchart working? 2.17—Nonfunc- tioning Device.” Go to Is there video? “Flowchart Go to (no boot)
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). Go to Power up Power up Reset “Flowchart on battery on battery power.* 2.3—No Power, power? power? Part 2.” Go to Power up Power up Reset “Flowchart...
Page 41: Flowchart 2.3—No Power, Part
Troubleshooting Flowchart 2.3—No Power, Part 2 Continued from “Flowchart 2.2—No Power, Part 1.” Visually check for debris in battery socket and clean if necessary. Power on? Done Check battery pack recharging it, moving it to another computer, Replace Power on? power supply (if applicable).
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 Done Reseat AC adapter in computer and at power source. Power on? Done External Internal or Replace external external AC Try different Power outlet AC adapter.
Page 43: Flowchart 2.5—No Power, Part
Troubleshooting Flowchart 2.5—No Power, Part 4 Continued from “Flowchart 2.4—No Power, Part 3.” Open computer. Reseat loose Loose or components and damaged boards and parts? replace damaged items. Close computer and retest. 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 Go to *NOTE: To change from internal to Stand-alone “Flowchart external display, use the hotkey or docking 2.7—No Video, combination. device? Part 2.” Stand-alone Internal or Adjust Video OK? Done external brightness.
Page 45: Flowchart 2.7—No Video, Part
Troubleshooting Flowchart 2.7—No Video, Part 2 Continued from “Flowchart 2.6—No Video, Part 1.” Remove computer from docking device, if connected. Adjust Check brightness display of external brightness. monitor. Go to “A” in “Flowchart Video OK? Video OK? Done 2.6—No Video, Part 1.”...
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 Reinstall cable connector at computer into docking device. docking device. Docking Docking device device Done Done...
Page 47 Troubleshooting Flowchart 2.9—No Operating System (OS) Loading No OS loading.* Reset power cord in docking device and power outlet. No OS loading from hard drive, go to “Flowchart 2.10—No OS Loading, Hard Drive, Part 1.” No OS loading from diskette drive, go to “Flowchart 2.13—No OS Loading, Diskette Drive.”...
Page 48 Troubleshooting Flowchart 2.10—No OS Loading, Hard Drive, Part 1 OS not loading from hard drive. Go to “Flowchart Nonsystem 2.11—No OS disk message? Loading, Hard Drive, Part 2.” Reseat external hard drive. OS loading? Done Boot from Go to Boot “Flowchart from 2.13—No OS...
Page 49 Troubleshooting Flowchart 2.11—No OS Loading, Hard Drive, Part 2 Continued from “Flowchart 2.10—No OS Reseat Loading, hard drive. Hard Drive, Part 1.” 1. Replace CD or hard drive. diskette in 2. Replace system drive? board. Hard drive Done accessible? Remove diskette and Run FDISK.
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 Install OS files on hard and reboot. drive? Virus loading from Clean virus. Done hard drive? hard drive? Run SCANDISK and Replace Diagnostics check for...
Page 51: Flowchart 2.13—No Os Loading, Diskette Drive
Troubleshooting Flowchart 2.13—No OS Loading, Diskette Drive OS not loading Reseat Done from diskette drive. loading? diskette drive. Bootable Install bootable Nonsystem diskette diskette and disk message? in drive? reboot computer. Check diskette for system files. Go to Boot Try different “Flowchart from another diskette.
Page 52: Flowchart 2.14—No Os Loading, Optical Drive
Troubleshooting Flowchart 2.14—No OS Loading, Optical Drive No OS Install bootable Bootable Disc loading from disc and disc in in drive? CD-ROM or reboot drive? DVD-ROM drive. computer. Install Try another bootable disc. bootable disc. Boots from Done CD or DVD? Boots from Reseat Done...
Page 53: Flowchart 2.15—No Audio, Part
Troubleshooting Flowchart 2.15—No Audio, Part 1 Turn up audio internally or No audio. Audio? Done externally. Go to Computer in Internal “Flowchart docking device Undock audio? 2.16—No Audio, (if applicable)? Part 2.” Go to Replace “Flowchart 2.16—No Audio, docking device. Part 2.”...
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 Reload driver in OS audio drivers. configured? Correct Load drivers and drivers for set configuration application? in OS. Connect to external speaker. Replace audio board and speaker Audio? Audio?
Page 55: Flowchart 2.17—Nonfunctioning Device
Troubleshooting Flowchart 2.17—Nonfunctioning Device Nonfunctioning device. Reseat device. Unplug the nonfunctioning device from the computer and inspect cables and plugs for bent or broken pins or other damage. Fix or Clear Any physical replace CMOS. device detected? broken item. Go to “Flowchart 2.9—No Reattach 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 Replace device system works? board. Reseat internal keyboard connector (if applicable). Replace internal keyboard or cable. Done Done Replace system board. 2–28 Maintenance and Service Guide...
Page 57 Troubleshooting Flowchart 2.19—Nonfunctioning Pointing Device Pointing device not operating properly. Connect computer to good external pointing device. Replace External system device board. works? Reseat internal pointing device connector (if applicable). Replace internal pointing device or cable. Done Done Replace system board.
Page 58 Troubleshooting Flowchart 2.20—No Network/Modem Connection No network or modem connection. Network Replace jack or modem jack or have jack active? activated. Connect Digital to nondigital line? line. Reload NIC/modem Done drivers and configured reconfigure. in OS? Disconnect all Replace the power from NIC/modem the computer...
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 Illustrated Parts Catalog Table 3-1 Spare Parts: Computer Major Components Spare Part Item Description Number Display assemblies (include wireless antenna transceivers and cables) 17.0-inch, WUXGA+WVA with AntiGlare 409977-001 17.0-inch, WSXGA+WVA with AntiGlare 409975-001 17.0-inch, WXGA+WVA with AntiGlare 409973-001 17.0-inch, WSXGA+WVA with BrightView 409988-001 Switch cover 409948-001...
Page 62 Illustrated Parts Catalog Computer Major Components 3–4 Maintenance and Service Guide...
Page 63 Illustrated Parts Catalog Table 3-1 Spare Parts: Computer Major Components (Continued) Spare Part Item Description Number Keyboards without pointing stick For use in: Brazil 409911-201 The People’s 409911-AA1 Republic of The Czech 409911-221 China Republic Portugal 409911-131 Denmark 409911-081 Russia 409911-251 France 409911-051...
Page 64 Illustrated Parts Catalog Computer Major Components 3–6 Maintenance and Service Guide...
Page 65 Illustrated Parts Catalog Table 3-1 Spare Parts: Computer Major Components (Continued) Spare Part Item Description Number TouchPads (include TouchPad cable) With 3 pointing stick buttons, 2 TouchPad buttons, and 409952-001 fingerprint sensor, for use with keyboards with pointing stick With 3 pointing stick buttons and 3 TouchPad buttons, 409956-001 for use with keyboards with pointing stick With 2 TouchPad buttons and fingerprint sensor, for...
Page 66 Illustrated Parts Catalog Computer Major Components 3–8 Maintenance and Service Guide...
Page 67 Illustrated Parts Catalog Table 3-1 Spare Parts: Computer Major Components (Continued) Spare Part Item Description Number Bluetooth® module (includes Bluetooth module 409993-001 cable) Speaker 409947-001 PC Card/smart card assembly 409943-001 System board 409959-001 Video board M56, for use with model nx9420 409979-001 G71, for use with model nw9440 417206-001...
Page 68 Illustrated Parts Catalog Computer Major Components 3–10 Maintenance and Service Guide...
Page 69 Illustrated Parts Catalog Table 3-1 Spare Parts: Computer Major Components (Continued) Spare Part Item Description Number Mini Card modules 802.11b/g HS WLAN module for use in North America 407107-001 802.11b/g HS WLAN module for use in the countries 407107-002 listed below. These countries are categorized as the rest of the world (ROW).
Page 70 Illustrated Parts Catalog Computer Major Components 3–12 Maintenance and Service Guide...
Page 71 Illustrated Parts Catalog Table 3-1 Spare Parts: Computer Major Components (Continued) Spare Part Item Description Number Mini Card modules (Continued) 802.11a/b/g GL WLAN module for use in the countries 407576-002 listed below. These countries are categorized as most of the world (MOW 2). Aruba El Salvador Poland...
Page 72 Illustrated Parts Catalog Computer Major Components 3–14 Maintenance and Service Guide...
Page 73 Illustrated Parts Catalog Table 3-1 Spare Parts: Computer Major Components (Continued) Spare Part Item Description Number Mini Card modules (Continued) 802.11b/g GL WLAN module for use in the following 409250-004 countries: Israel Kuwait United Arab Ukraine Emirates Jordan Thailand Hard drives 7200 rpm 5400 rpm 100 GB...
Page 74: Display Assembly Components
Illustrated Parts Catalog 3.3 Display Assembly Components 3–16 Maintenance and Service Guide...
Page 75 Illustrated Parts Catalog Table 3-2 Display Assembly Components Spare Part Number Information Spare Part Item Description Number Display bezel 409935-001 Display Hinge Kit 409937-001 Display panels 17.0-inch, WUXGA+WVA with AntiGlare 409978-001 17.0-inch, WSXGA+WVA with AntiGlare 409976-001 17.0-inch, WXGA+WVA with AntiGlare 409974-001 17.0-inch, WSXGA+WVA with BrightView 409989-001...
Page 76: Plastics Kit
Illustrated Parts Catalog 3.4 Plastics Kit Table 3-3 Plastics Kit Spare Part Number Information Spare Part Item Description Number Plastics Kit 409944-001 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...
Page 77: Cable Kit
Illustrated Parts Catalog 3.5 Cable Kit Table 3-4 Cable Kit Spare Part Number Information Spare Part Item Description Number Cable Kit 409990-001 Includes: Bluetooth module cable USB/audio board cable Modem cable Network cable TouchPad cable Microphone cable Maintenance and Service Guide 3–19...
Page 78: Mass Storage Devices
Illustrated Parts Catalog 3.6 Mass Storage Devices Table 3-5 Mass Storage Devices Spare Part Number Information Spare Part Item Description Number Hard drives (include frame and connector) 7200 rpm 5400 rpm 100 GB 409983-001 100 GB 409982-001 80 GB 409991-001 80 GB 409981-001 60 GB...
Page 79: Miscellaneous (Not Illustrated)
Illustrated Parts Catalog 3.7 Miscellaneous (Not Illustrated) Table 3-6 Miscellaneous (Not Illustrated) Spare Part Information Spare Part Description Number 120-watt non-PFC AC adapter 416931-001 120-watt PFC AC adapter 391174-001 90-watt PFC AC adapter 391173-001 90-watt non-PFC AC adapter 409992-001 External MultiBay II 366143-001 External MultiBay II power cable and stand 366144-001...
Page 80 Illustrated Parts Catalog Table 3-6 Miscellaneous (Not Illustrated) Spare Part Information (Continued) Spare Part Description Number Power cords: For use in the United States 350055-001 For use in Australia 350055-011 For use in Europe 350055-021 For use in the United Kingdom 350055-031 For use in Italy 350055-061...
Page 81 Illustrated Parts Catalog Table 3-6 Miscellaneous (Not Illustrated) Spare Part Information (Continued) Spare Part Description Number USB 1.1 diskette drive 359118-001 Screw Kit (includes the following screws; refer to 409945-001 Appendix A, “Screw Listing,” for more information on specifications and usage) ■...
Page 82: Sequential Part Number Listing
Illustrated Parts Catalog 3.8 Sequential Part Number Listing Table 3-7 Sequential Part Number Listing Spare Part Number Description 325814-001 Nylon carrying case 359118-001 USB 1.1 diskette drive 350055-001 Power cord for use in the United States 350055-011 Power cord for use in Australia 350055-021 Power cord for use in Europe 350055-061...
Page 83 Illustrated Parts Catalog Table 3-7 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 North America 407107-002 802.11b/g HS WLAN Mini Card module for use in the ROW...
Page 84 Illustrated Parts Catalog Table 3-7 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 El Salvador Poland Norway Austria Estonia Portugal Oman Azerbaijan Finland Romania Slovenia Bahrain...
Page 85 Illustrated Parts Catalog Table 3-7 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)
Page 86 Illustrated Parts Catalog Table 3-7 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)
Page 87 Illustrated Parts Catalog Table 3-7 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)
Page 88 Illustrated Parts Catalog Table 3-7 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 Illustrated Parts Catalog Table 3-7 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...
Page 90 Illustrated Parts Catalog Table 3-7 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 Illustrated Parts Catalog Table 3-7 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...
Page 92 Illustrated Parts Catalog Table 3-7 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...
Page 93: Removal And Replacement Preliminaries
Removal and Replacement Preliminaries This chapter provides essential information for proper and safe removal and replacement service. 4.1 Tools Required You will need the following tools to complete the removal and replacement procedures: ■ Magnetic screwdriver ■ Phillips P0 and P1 screwdrivers ■...
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
Removal and Replacement Preliminaries 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: ■...
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
Removal and Replacement Preliminaries 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 Table 4-2, “Static-Shielding Materials” (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
Removal and Replacement Preliminaries 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. Table 4-1 Typical Electrostatic Voltage Levels Relative Humidity Event Walking across carpet 35,000 V 15,000 V 7,500 V Walking across vinyl floor 12,000 V 5,000 V 3,000 V...
Page 101: Removal And Replacement Procedures
Removal and Replacement Procedures This chapter provides removal and replacement procedures. There are as many as 101 screws and screw locks, in 12 different sizes, that must 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 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 # of Screws Removed Preparing the Computer for Disassembly Battery pack Hard Drive 2 loosened to remove the hard drive cover...
Page 103 Removal and Replacement Procedures Disassembly Sequence Chart (Continued) Section Description # of Screws Removed 5.10 Optical Drive 1 to remove the optical drive 2 to remove the optical drive bracket 5.11 Keyboard 5.12 Internal Memory Module 5.13 TouchPad 5.14 Modem Module 5.15 Switch Cover 5.16...
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 Removal and Replacement Procedures 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 5400 rpm 100 GB 409983-001 100 GB 409982-001 80 GB 409991-001 80 GB 409981-001 60 GB 409980-001 1. Prepare the computer for disassembly (refer to Section 5.3).
Page 107 Removal and Replacement Procedures 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
Removal and Replacement Procedures 5.6 Bluetooth Module Bluetooth Module Spare Part Number Information Bluetooth module (includes Bluetooth module cable) 409993-001 1. Prepare the computer for disassembly (refer to Section 5.3). 2. Remove the hard drive (Section 5.4). 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 1-DIMM, PC2-4200 2048 MB 409967-001 2048 MB 409963-001 1024 MB 409966-001 1024 MB 409962-001 512 MB 409965-001 512 MB 409961-001 256 MB 409964-001 256 MB 409960-001 1.
Page 113 Removal and Replacement Procedures 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 Mini Card Module Spare Part Number Information 802.11b/g HS WLAN module for use in North America 407107-001 802.11b/g HS WLAN module for use in the ROW countries 407107-002 listed below. China Honduras Qatar Uruguay Ecuador...
Page 115 Removal and Replacement Procedures Mini Card Module Spare Part Number Information (Continued) 802.11a/b/g GL WLAN module for use in the MOW 2 countries 407576-002 listed below. Aruba El Salvador Poland Norway Austria Estonia Portugal Oman Azerbaijan Finand Romania Slovenia Bahrain France Russia South Africa...
Page 116 Removal and Replacement Procedures 2. Remove the memory/Mini Card module compartment cover (Section 5.7). 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
Removal and Replacement Procedures 5.9 RTC Battery RTC Battery Spare Part Number Information RTC battery 409953-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the memory/Mini Card module compartment cover (Section 5.7). 3. Use a non-conductive, flat-bladed tool to pry the RTC battery out of the socket.
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 409987-001 LightScribe DVD±RW and CD-RW Double-Layer Combo Drive 409986-001 2X Max DVD/CD-RW Combo Drive 409985-001...
Page 119 Removal and Replacement Procedures 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 409913-201 Norway 409913-091 The Czech Republic 409913-221 The People’s Republic 409913-AA1 of China Denmark 409913-081 Portugal 409913-131 France 409913-051 Russia...
Page 121 Removal and Replacement Procedures Keyboard Spare Part Number Information (Continued) Keyboards without pointing stick for use in: Brazil 409911-201 Norway 409911-091 The Czech Republic 409911-221 The People’s Republic 409911-AA1 of China Denmark 409911-081 Portugal 409911-131 France 409911-051 Russia 409911-251 French Canada 409911-121 Saudi Arabia 409911-171...
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 Removal and Replacement Procedures 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 1-DIMM, PC2-4200 2048 MB 409967-001 2048 MB 409963-001 1024 MB 409966-001 1024 MB 409962-001 512 MB 409965-001 512 MB 409961-001 256 MB 409964-001 256 MB 409960-001 1.
Page 125 Removal and Replacement Procedures 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, 409952-001 and fingerprint sensor, for use with keyboards with Pointing Stick TouchPad with 3 pointing stick buttons and 3 TouchPad 409956-001 buttons, for use with keyboards with pointing stick...
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 Removal and Replacement Procedures 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.
Page 130: Modem Module
Removal and Replacement Procedures 5.14 Modem Module Modem Module Spare Part Number Information Modem module 409941-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the keyboard (Section 5.11). 3. Remove the TouchPad (Section 5.13). 5–30 Maintenance and Service Guide...
Page 131 Removal and Replacement Procedures 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 409948-001 Lid switch board 409958-001 1. Prepare the computer for disassembly (Section 5.3). 2. Turn the computer upside down with the rear panel toward you. 3.
Page 133 Removal and Replacement Procedures 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) 409957-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the switch cover (Section 5.15). 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
Removal and Replacement Procedures 5.17 Fan Assembly Fan Assembly Spare Part Number Information Fan Assembly 409932-001 1. Prepare the computer for disassembly (Section 5.3). 2. Release the keyboard (Section 5.11). 3. Disconnect the fan cable 1 from the system board. 4.
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) 409949-001 1. Prepare the computer for disassembly (Section 5.3). 2. Release the keyboard (Section 5.11). 3. Remove the fan assembly (Section 5.17).
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 409972-001 Intel Core Duo T2500 (2.00-GHz) processor 409971-001 Intel Core Duo T2400 (1.83-GHz) processor 409970-001 Intel Core Duo T2300 (1.67-GHz) processor 409969-001...
Page 139 Removal and Replacement Procedures 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 409950-001 thermal pads) Video board heat sink for use with G71 video board (includes...
Page 141 Removal and Replacement Procedures 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 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, M56, for use with model nx9420 409979-001 Video board, G71, for use with model nw9440 417206-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the fan assembly (Section 5.17).
Page 145 Removal and Replacement Procedures 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 409977-001 17.0-inch, WSXGA+WVA with AntiGlare 409975-001 17.0-inch, WXGA+WVA with AntiGlare 409973-001 17.0-inch, WSXGA+WVA with BrightView 409988-001 1.
Page 147 Removal and Replacement Procedures 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 Removal and Replacement Procedures CAUTION: Support the display assembly when removing the following Ä 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 Spare Part Item Description Number Display bezel 409935-001 Display Hinge Kit 409937-001 Display inverter 409933-001 Display panels 17.0-inch, WUXGA+WVA with AntiGlare 409978-001 17.0-inch, WSXGA+WVA with AntiGlare 409976-001 17.0-inch, WXGA+WVA with AntiGlare 409974-001 17.0-inch, WSXGA+WVA with BrightView 409989-001...
Page 151 Removal and Replacement Procedures 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 Removal and Replacement Procedures Display Assembly Subcomponents Spare Part Number Information Display bezel 409935-001 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 Removal and Replacement Procedures 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 Spare Part Item Description Number Display inverter 409933-001 Display panels 17.0-inch, WUXGA+WVA with AntiGlare 409978-001 17.0-inch, WSXGA+WVA with AntiGlare 409976-001 17.0-inch, WXGA+WVA with AntiGlare 409974-001 17.0-inch, WSXGA+WVA with BrightView 409988-001 Display Cable Kit 409938-001...
Page 157 Removal and Replacement Procedures 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 5–57...
Page 158 Removal and Replacement Procedures Display Assembly Subcomponents Spare Part Number Information Spare Part Item Description Number Display Hinge Kit 409937-001 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.
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 Removal and Replacement Procedures Display Assembly Subcomponents Spare Part Number Information Spare Part Item Description Number Wireless Antenna Kit 409931-001 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
Removal and Replacement Procedures 5.23 Top Cover Top Cover Spare Part Number Information Top cover 409951-001 Fingerprint sensor board 409946-001 1. Prepare the computer for disassembly (Section 5.3), and then remove the following components: a. Hard drive (Section 5.4) b. Memory/Mini PCI module compartment cover (Section 5.7) c.
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 Removal and Replacement Procedures 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 409947-001 1. Prepare the computer for disassembly (Section 5.3), and then remove the following components: a. Hard drive (Section 5.4) b. Memory/Mini PCI module compartment cover (Section 5.7) c.
Page 167 Removal and Replacement Procedures 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 5–67...
Page 168: System Board
Removal and Replacement Procedures 5.25 System Board System Board Spare Part Number Information System board 409959-001 ✎ 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 Removal and Replacement Procedures 1. Prepare the computer for disassembly (Section 5.3), and then remove the following components: a. Hard drive (Section 5.4) b. Bluetooth module (Section 5.6) c. Optical drive (Section 5.10) d. Keyboard (Section 5.11) e. Switch cover (Section 5.15) f.
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 Removal and Replacement Procedures 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.
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 Removal and Replacement Procedures 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. ✎...
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
Removal and Replacement Procedures 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 409968-001 1.
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 409943-001 1. Prepare the computer for disassembly (Section 5.3), and then remove the following components: a. Hard drive (Section 5.4) b.
Page 179 Removal and Replacement Procedures 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 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 15.5 in Depth 27.4 cm 10.8 in Weight 3.40 kg 7.5 lbs HP Compaq nw9440 with 17.0-inch display, optical drive, and 8-cell battery pack 3.36 kg 7.4 lbs HP Compaq nx9420 with 17.0-inch display, optical drive, and 8-cell battery pack...
Page 182 Specifications Table 6-1 Computer (Continued) Relative humidity (noncondensing) Operating 10% to 90% 10% to 90% Nonoperating 5% to 95% 5% to 95% Maximum altitude (unpressurized) Operating (14.7 to 10.1 psia) -15 m to 3,048 m -50 ft to 10,000 ft Nonoperating (14.7 to 4.4 psia) -15 m to 12,192 m -50 ft to 40,000 ft...
Page 183 Specifications Table 6-2 17.0-inch, WUXGA+WVA Dimensions Height 24.4 cm 9.6 in Width 38.1 cm 15.0 in Diagonal 43.2 cm 17.0 in Number of colors Up to 16.8 million Contrast ratio 200:1 Brightness 180 nits typical Pixel resolution Pitch 0.172 × 0.172 mm Format 1920 ×...
Page 184 Specifications Table 6-3 17.0-inch, WSXGA+WVA Dimensions Height 24.4 cm 9.6 in Width 38.1 cm 15.0 in Diagonal 43.2 cm 17.0 in Number of colors Up to 16.8 million Contrast ratio 200:1 Brightness 180 nits typical Pixel resolution Pitch 0.197 × 0.197 mm Format 1680 ×...
Page 185 Specifications Table 6-4 17.0-inch, WXGA+WVA Dimensions Height 24.4 cm 9.6 in Width 38.1 cm 15.0 in Diagonal 43.2 cm 17.0 in Number of colors Up to 16.8 million Contrast ratio 200:1 Brightness 180 nits typical Pixel resolution Pitch 0.259 × 0.259 mm Format 1440 ×...
Page 186: Hard Drives
Specifications Table 6-5 Hard Drives 100-GB* 80-GB* 60-GB* Dimensions Height 9.5 mm 9.5 mm 9.5 mm Width 70 mm 70 mm 70 mm Weight 99 g 99 g 99 g Interface type SATA SATA SATA Transfer rate Synchronous (maximum) 100 MB/sec 100 MB/sec 100 MB/sec Security...
Page 187 Specifications Table 6-6 Primary 8-cell, Li-Ion Battery Pack Dimensions Height 2.00 cm 0.79 in Width 26.80 cm 3.70 in Depth 5.30 cm 5.28 in Weight 0.34 kg 0.75 lb Energy Voltage 14.4 V Amp-hour capacity 4.8 Ah Watt-hour capacity 69 Wh Temperature Operating 5°C to 45°C...
Page 188 Specifications Table 6-7 DVD±RW and CD-RW Combo Drive Applicable disc Read: Write: DVD-R, DVD-RW, CD-R and CD-RW DVD-ROM (DVD-5, DVD-9, DVD-R and DVD-10, DVD-18), DVD-RW 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 189 Specifications Table 6-7 DVD±RW and CD-RW Combo Drive (Continued) Disc thickness 1.2 mm (0.047 in) Track pitch 0.74 µm Access time Random < 175 ms < 230 ms Full stroke < 285 ms < 335 ms Audio output level Audio-out, 0.7 Vrms Cache buffer 2 MB Data transfer rate...
Page 190 Specifications Table 6-8 DVD/CD-RW Combo Drive Applicable disc Read: Write: DVD-R, DVD-RW, CD-R and CD-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 Photo CD (single and...
Page 191 Specifications Table 6-8 DVD/CD-RW Combo Drive (Continued) Disc thickness 1.2 mm (0.047 in) Track pitch 0.74 µm Access time CD media DVD media Random < 110 ms < 130 ms Full stroke < 210 ms < 225 ms Audio output level Line-out, 0.7 Vrms Cache buffer 2 MB...
Page 192: System Dma
Specifications Table 6-9 System DMA Hardware DMA System Function DMA0 Not applicable DMA1* Not applicable DMA2* Not applicable DMA3 Not applicable DMA4 Direct memory access controller DMA5* Available for PC Card DMA6 Not assigned DMA7 Not assigned *PC Card controller can use DMA 1, 2, or 5. 6–12 Maintenance and Service Guide...
Page 193: System Interrupts
Specifications Table 6-10 System Interrupts Hardware IRQ System Function IRQ0 System timer IRQ1 Standard 101-/102-Key or Microsoft Natural Keyboard IRQ2 Cascaded IRQ3 Intel 82801DB/DBM USB2 Enhanced Host Controller—24CD IRQ4 COM1 IRQ5* Conexant AC—Link Audio Intel 82801DB/DBM SMBus Controller—24C3 Data Fax Modem with SmartCP IRQ6 Diskette drive IRQ7*...
Page 194 Specifications Table 6-10 System Interrupts (Continued) IRQ11 Intel USB EHCI controller—24CD Intel USB UHCI controller—24C4 Intel USB UHCI controller—24C7 Intel Pro/Wireless 2200BG TI OHCI 1394 host controller TI PCI1410 CardBus controller IRQ12 Synaptics PS/2 TouchPad IRQ13 Numeric data processor IRQ14 Primary IDE channel IRQ15 Secondary IDE channel...
Page 195 Specifications Table 6-11 System I/O Addresses I/O Address (hex) System Function (shipping configuration) 000 - 00F DMA controller no. 1 010 - 01F Unused 020 - 021 Interrupt controller no. 1 022 - 024 Opti chipset configuration registers 025 - 03F Unused 02E - 02F 87334 “Super I/O”...
Page 196 Specifications Table 6-11 System I/O Addresses (Continued) I/O Address (hex) System Function (shipping configuration) 0A2 - 0BF Unused 0C0 - 0DF DMA controller no. 2 0E0 - 0EF Unused 0F0 - 0F1 Coprocessor busy clear/reset 0F2 - 0FF Unused 100 - 16F Unused 170 - 177 Secondary fixed disk controller...
Page 197 Specifications Table 6-11 System I/O Addresses (Continued) I/O Address (hex) System Function (shipping configuration) 2F0 - 2F7 Unused 2F8 - 2FF Infrared port 300 - 31F Unused 320 - 36F Unused 370 - 377 Secondary diskette drive controller 378 - 37F Parallel port (LPT1/default) 380 - 387 Unused...
Page 198: System Memory Map
Specifications Table 6-12 System Memory Map Size Memory Address System Function 640 KB 00000000-0009FFFF Base memory 128 KB 000A0000-000BFFFF Video memory 48 KB 000C0000-000CBFFF Video BIOS 160 KB 000C8000-000E7FFF Unused 64 KB 000E8000-000FFFFF System BIOS 15 MB 00100000-00FFFFFF Extended memory 58 MB 01000000-047FFFFF Super extended 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 Table A-2 Phillips PM2.5×17.0 Screw Head Color Qty. Length Thread Width Black 17.0 mm 2.5 mm 5.0 mm 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 Section 5.4) Phillips PM2.5×17.0 Screw Locations...
Page 201 Screw Listing Table A-3 Phillips PM2.5×13.0 Spring-Loaded Screw Head Color Qty. Length Thread Width Silver 13.0 mm 2.5 mm 6.0 mm Where used: One screw that secures the hard drive to the computer (screw is captured on the cover by C clip; documented in Section 5.4) Phillips PM2.5×13.0 Screw Location...
Page 202 Screw Listing Table A-4 Phillips PM2.5×4.0 Screw Head Color Qty. Length Thread Width Black 4.0 mm 2.5 mm 5.0 mm 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...
Page 203 Screw Listing Table A-5 Phillips PM2.0×4.0 Screw Head Color Qty. Length Thread Width Silver 4.0 mm 2.0 mm 4.5 mm 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 A–5...
Page 204 Screw Listing Table A-5 Phillips PM2.0×4.0 Screw (Continued) Head Color Qty. Length Thread Width Silver 4.0 mm 2.0 mm 4.5 mm 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 Maintenance and Service Guide...
Page 205 Screw Listing Table A-5 Phillips PM2.0×4.0 Screw (Continued) Head Color Qty. Length Thread Width Silver 4.0 mm 2.0 mm 4.5 mm 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 A–7...
Page 206 Screw Listing Table A-5 Phillips PM2.0×4.0 Screw (Continued) Head Color Qty. Length Thread Width Silver 4.0 mm 2.0 mm 4.5 mm 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 Maintenance and Service Guide...
Page 207 Screw Listing Table A-5 Phillips PM2.0×4.0 Screw (Continued) Head Color Qty. Length Thread Width Silver 4.0 mm 2.0 mm 4.5 mm Where used: 4 screws that secure the PC Card/smart card assembly to the system board (documented in Section 5.27) Phillips PM2.0×4.0 Screw Locations Maintenance and Service Guide A–9...
Page 208 Screw Listing Table A-6 Torx8 T8M2.5×9.0 Screw Head Color Qty. Length Thread Width Black 9.0 mm 2.5 mm 5.0 mm 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...
Page 209 Screw Listing Table A-6 Torx8 T8M2.5×9.0 Screw (Continued) Head Color Qty. Length Thread Width Black 9.0 mm 2.5 mm 5.0 mm 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 A–11...
Page 210 Screw Listing Table A-6 Torx8 T8M2.5×9.0 Screw (Continued) Head Color Qty. Length Thread Width Black 9.0 mm 2.5 mm 5.0 mm 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 Maintenance and Service Guide...
Page 211 Screw Listing Table A-7 Torx8 T8M2.5×4.0 Screw Head Color Qty. Length Thread Width Black 4.0 mm 2.5 mm 5.0 mm 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 A–13...
Page 212 Screw Listing Table A-7 Torx8 T8M2.5×4.0 Screw (Continued) Head Color Qty. Length Thread Width Black 4.0 mm 2.5 mm 5.0 mm 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 Maintenance and Service Guide...
Page 213 Screw Listing Table A-7 Torx8 T8M2.5×4.0 Screw (Continued) Head Color Qty. Length Thread Width Black 4.0 mm 2.5 mm 5.0 mm 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 A–15...
Page 214 Screw Listing Table A-7 Torx8 T8M2.5×4.0 Screw (Continued) Head Color Qty. Length Thread Width Black 4.0 mm 2.5 mm 5.0 mm 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 Maintenance and Service Guide...
Page 215 Screw Listing Table A-7 Torx8 T8M2.5×4.0 Screw (Continued) Head Color Qty. Length Thread Width Black 4.0 mm 2.5 mm 5.0 mm 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 A–17...
Page 216 Screw Listing Table A-7 Torx8 T8M2.5×4.0 Screw (Continued) Head Color Qty. Length Thread Width Black 4.0 mm 2.5 mm 5.0 mm Where used: Two screws that secure the display panel to the display enclosure (documented in Section 5.22) One screw that secures the ambient light sensor board to the display enclosure (documented in Section 5.22)
Page 217 Screw Listing Table A-8 Torx8 T8M2.5×19.0 Screw Head Color Qty. Length Thread Width Black 19.0 mm 2.5 mm 5.0 mm 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 A–19...
Page 218 Screw Listing Table A-9 Torx8 T8M2.5×7.0 Screw Head Color Qty. Length Thread Width Black 7.0 mm 2.5 mm 5.0 mm 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 Maintenance and Service Guide...
Page 219 Screw Listing Table A-9 Torx8 T8M2.5×7.0 Screw (Continued) Head Color Qty. Length Thread Width Black 7.0 mm 2.5 mm 5.0 mm 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 A–21...
Page 220 Screw Listing Table A-9 Torx8 T8M2.5×7.0 Screw (Continued) Head Color Qty. Length Thread Width Black 7.0 mm 2.5 mm 5.0 mm 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 Maintenance and Service Guide...
Page 221 Screw Listing Table A-9 Torx8 T8M2.5×7.0 Screw (Continued) Head Color Qty. Length Thread Width Black 7.0 mm 2.5 mm 5.0 mm 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 A–23...
Page 222 Screw Listing Table A-10 Phillips PM2.5×7.0 Screw Head Color Qty. Length Thread Width Silver 7.0 mm 2.5 mm 5.0 mm Where used: 4 screws that the processor heat sink to the computer (screws are secured to the heat sink by C clips; documented in Section 5.18) Phillips PM2.5×7.0 Screw Locations...
Page 223 Screw Listing Table A-10 Phillips PM2.5×7.0 Screw (Continued) Head Color Qty. Length Thread Width Silver 7.0 mm 2.5 mm 5.0 mm 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 Section 5.20) Phillips PM2.5×7.0 Screw Locations...
Page 224 Screw Listing Table A-10 Phillips PM2.5×7.0 Screw (Continued) Head Color Qty. Length Thread Width Silver 7.0 mm 2.5 mm 5.0 mm 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 Maintenance and Service Guide...
Page 225 Screw Listing Table A-11 Hex Socket HM5.0×9.0 Screw Locks Head Color Qty. Length Thread Width Silver 9.0 mm 5.0 mm 5.0 mm 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 A–27...
Page 226 Screw Listing Table A-12 Phillips PM2.0×6.0 Screws Head Color Qty. Length Thread Width Silver 6.0 mm 2.0 mm 4.5 mm 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 Maintenance and Service Guide...
Page 227: Safeguarding Your Data
Software Backup and Recovery Backup HP Backup and Recovery Manager provides several ways to back up the system and to recover optimal system functionality. ✎ HP installed drivers, utilities, and applications can be copied to a CD or to a DVD using HP Backup and Recovery Manager. ✎...
Page 228: Backing Up The System
Software Backup and Recovery Backing Up the System Using HP Backup and Restore Manager, you can ■ Back up specific files and folders. ■ Back up the entire system. ■ Back up modifications since your last backup, using HP system restore points. ■...
Page 229: Backing Up The Entire Hard Drive
Software Backup and Recovery Backing Up the Entire Hard Drive When you perform a complete backup of the hard drive, you are saving the full factory image, including the Windows operating system, software applications, and all personal files and folders. ✎...
Page 230 Software Backup and Recovery Backing Up Modifications Made to the System When you back up modifications since your last backup, you are creating system recovery points. This allows you to save a snapshot of your hard drive at a specific point in time. You can then recover back to that point if you want to reverse subsequent changes made to your system.
Page 231: Scheduling Backups
Software Backup and Recovery 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 system start or when you dock to an optional docking station (select computer models only), by clicking one of the...
Page 232: Creating Recovery Discs
Software Backup and Recovery HP Backup and Recovery Manager allows you to ■ Create recovery discs (highly recommended). The recovery discs are used to start up your computer and to recover the full factory image (operating system and software) in case of system failure or instability. ✎...
Page 233: Performing A Recovery
Software Backup and Recovery Before creating recovery discs: ■ Obtain high-quality CD-R, DVD-R, or DVD+R media, purchased separately. ✎ Formatted DVD±RW discs and DVD±RW double-layer discs are not compatible with HP Backup and Recovery Manager. ■ Number each disc before inserting it into the optical drive of the computer.
Page 234: Performing A Recovery From The Hard Drive
Software Backup and Recovery Performing a Recovery from the Hard Drive There are 2 ways to initiate a recovery from the hard drive: ■ From within Windows. ■ From the recovery partition. Initiating a Recovery in Windows To initiate a recovery in Windows: 1.
Page 235 Display Component Recycling WARNING: The backlight contains mercury. Caution should be Å exercised when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. CAUTION: The procedures in this appendix can result in damage to Ä...
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 Display Component Recycling 11. Remove the screws 1 that secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover 2 and swing it forward. 13. Remove the backlight cover. Removing the Backlight Cover Maintenance and Service Guide C–9...
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 WARNING: The backlight contains mercury. Caution should be Å 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 Display Component Recycling 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 Table D-1 Audio-Out (Headphone) Signal Signal Audio out, left channel Ground Audio out, right channel Maintenance and Service Guide D–1...
Page 250: Universal Serial Bus
Connector Pin Assignments Table D-2 Audio-In (Microphone) Signal Signal Audio signal in Ground Audio signal in Table D-3 Universal Serial Bus Signal Signal +5 VDC Data + Data – Ground D–2 Maintenance and Service Guide...
Page 251 Connector Pin Assignments Table D-4 S-Video-Out Signal Signal S-VHS color (C) signal TV-CD Composite video signal S-VHS intensity ground S-VHS intensity (Y) signal Composite video ground S-VHS color ground Maintenance and Service Guide D–3...
Page 252: External Monitor
Connector Pin Assignments Table D-5 External Monitor Signal Signal Red analog +5 VDC Green analog Ground Blue analog Monitor detect Not connected DDC 2B data Ground Horizontal sync Ground analog Vertical sync Ground analog DDC 2B clock Ground analog D–4 Maintenance and Service Guide...
Page 253 Connector Pin Assignments Table D-6 RJ-11 (Modem) Signal Signal Unused Unused Unused Ring Unused Maintenance and Service Guide D–5...
Page 254 Connector Pin Assignments Table D-7 RJ-45 (Network) Signal Signal Transmit + Unused Transmit – Receive – Receive + Unused Unused Unused D–6 Maintenance and Service Guide...
Page 255: Conductor Power Cord Set
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 Power Cord Set Requirements Country-Specific Requirements 3-Conductor Power Cord Set Requirements Country/Region Accredited Agency Applicable Note Number Australia EANSW Austria Belgium CEBC Canada Denmark DEMKO Finland FIMKO France Germany Italy Japan METI ✎ NOTES: 1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 1.0 mm² conductor size.
Page 258 Power Cord Set Requirements 3-Conductor Power Cord Set Requirements (Continued) Country/Region Accredited Agency Applicable Note Number Korea The Netherlands KE A Norway NEMKO People’s Republic of China Sweden SEMKO Switzerland Taiwan BSMI United Kingdom United States ✎ NOTES: 1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 1.0 mm² conductor size.
Page 259 Index 4–3 Bluetooth module 1394 port 1–11 removal 5–11 spare part number 3–9 3–34 5–11 AC adapter, spare part Bluetooth module cable numbers 3–21 3–25 3–34 illustrated 3–19 accessory battery connector removal 5–70 1–20 bottom components 1–20 arrow keys 1–15 audio troubleshooting 2–25 audio-in jack Cable Kit...
Page 260 Index top 1–16 1–18 spare part numbers 3–3 computer feet 3–33 3–34 5–46 illustrated 3–18 display bezel locations 5–10 illustrated 3–16 3–17 Computer Setup removal 5–53 overview 2–1 spare part number 3–17 computer specifications 6–1 3–31 5–50 5–53 connector pin assignments Display Bracket Kit, spare part audio-in D–2 number 3–17...
Page 261 Index spare part numbers 3–17 External MultiBay II power 3–33 3–34 5–50 5–56 cable and stand, spare part display release button 1–7 number 3–21 3–24 Display Screw Kit, spare part External MultiBay II, spare number 3–17 3–31 5–50 part number 3–21 3–24 docking connector 1–20 docking device,...
Page 262 Index nonfunctioning docking interrupt specifications 6–13 device 2–18 nonfunctioning keyboard keyboard 2–28 removal 5–20 nonfunctioning pointing spare part numbers 3–3 device 2–29 3–5 3–26 3–27 3–28 key 1–15 3–29 3–30 3–31 5–20 front components 1–6 troubleshooting 2–28 keyboard components 1–12 grounding equipment and 1–14 methods 4–7...
Page 263 Index illustrated 3–18 MultiBay DVD-ROM drive, removal 5–12 spare part number 3–21 microphone 3–24 illustrated 3–19 removal 5–62 network cable microphone jack illustrated 3–19 location 1–9 removal 5–73 pin assignments D–2 network jack Mini Card compartment 1–21 location 1–9 Mini Card module pin assignments D–6 removal 5–14 network, troubleshooting 2–30...
Page 264 Index spare part number 3–9 RJ-11 jack 3–31 5–78 location 1–13 plastic parts 4–2 pin assignments D–5 Plastics Kit RJ-45 jack contents 3–18 location 1–9 spare part number 3–7 pin assignments D–6 3–18 3–31 RTC battery pointing device, removal 5–17 troubleshooting 2–29 spare part number 3–9 pointing stick 1–19...
Page 265 Index memory map 6–18 TouchPad left/right buttons optical drive 6–8 6–10 1–19 system DMA 6–12 TouchPad scroll zone 1–19 static shielding materials 4–8 transporting precautions 4–5 S-Video-out jack troubleshooting location 1–10 audio 2–25 pin assignments D–3 docking device 2–18 switch cover flowcharts 2–10 removal 5–32 keyboard 2–28...
Page 266 Index vents 1–21 video board removal 5–44 spare part number 3–9 5–44 spare part numbers 3–33 3–34 video board heat sink removal 5–40 spare part numbers 3–7 3–31 3–34 5–40 video troubleshooting 2–16 volume buttons 1–17 Windows applications key 1–15 Windows logo key 1–15 wireless antenna disconnecting 5–16...

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Nx9420

HP Compaq nw9440 - Mobile Workstation 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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Summary of Contents for HP Compaq nw9440 - Mobile Workstation

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