Maintenance and Service Guide HP Compaq nc6400 Notebook PC Document Part Number: 406847-001 May 2006 This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides comprehensive information on identifying computer features, components, and spare parts; troubleshooting computer problems; and performing computer disassembly procedures. © Copyright 2006 Hewlett-Packard Development Company, L.P. Microsoft and Windows are U.S. registered trademarks of Microsoft Corporation. Intel and Core are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. SD Logo is a trademark of its proprietor. Java is a trademark of Sun Microsystems, Inc. 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. Maintenance and Service Guide HP Compaq nc6400 Notebook PC First Edition: May 2006 Document Part Number: 406847-001 Contents 1 Product Description 1.1 1.2 1.3 1.4 1.5 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­2 Resetting the Computer. . . . . . . . . . . . . . . . . . . . . . . 1­4 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1­5 External Components . . . . . . . . . . . . . . . . . . . . . . . . 1­6 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1­24 2 Troubleshooting 2.1 Computer Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using Computer Setup . . . . . . . . . . . . . . . . . . . . . . . Selecting from the File Menu . . . . . . . . . . . . . . . . . . Selecting from the Security Menu . . . . . . . . . . . . . . Selecting from the Diagnostics Menu. . . . . . . . . . . . Selecting from the System Configuration Menu. . . . 2.2 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . . 2­1 2­1 2­2 2­3 2­4 2­5 2­6 Maintenance and Service Guide iii Contents 3 Illustrated Parts Catalog 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3­1 Computer Major Components. . . . . . . . . . . . . . . . . . 3­2 Display Assembly Components . . . . . . . . . . . . . . . 3­16 Plastics Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3­18 Cable Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3­20 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3­21 Miscellaneous (Not Illustrated). . . . . . . . . . . . . . . . 3­22 Sequential Part Number Listing . . . . . . . . . . . . . . . 3­25 4 Removal and Replacement Preliminaries 4.1 Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 Service Considerations . . . . . . . . . . . . . . . . . . . . . . . Plastic Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cables and Connectors . . . . . . . . . . . . . . . . . . . . . . . 4.3 Preventing Damage to Removable Drives . . . . . . . . 4.4 Preventing Electrostatic Damage . . . . . . . . . . . . . . . 4.5 Packaging and Transporting Precautions . . . . . . . . . 4.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 4.7 Grounding Equipment and Methods . . . . . . . . . . . . . 4­1 4­2 4­2 4­2 4­3 4­4 4­5 4­6 4­7 iv Maintenance and Service Guide Contents 5 Removal and Replacement Procedures 5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­2 5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . 5­3 5.3 Preparing the Computer for Disassembly . . . . . . . . . 5­5 5.4 Hard Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­7 5.5 Computer Feet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­11 5.6 Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . . . . . 5­12 5.7 External Memory Module . . . . . . . . . . . . . . . . . . . . 5­14 5.8 Mini Card WLAN Module . . . . . . . . . . . . . . . . . . . 5­17 5.9 MultiBay II Device . . . . . . . . . . . . . . . . . . . . . . . . . 5­21 5.10 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­23 5.11 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­28 5.12 Internal Memory Module . . . . . . . . . . . . . . . . . . . 5­29 5.13 Modem Module. . . . . . . . . . . . . . . . . . . . . . . . . . . 5­31 5.14 Mini Card WWAN Module . . . . . . . . . . . . . . . . . 5­33 5.15 Switch Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­35 5.16 Power Button Board . . . . . . . . . . . . . . . . . . . . . . . 5­37 5.17 Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­38 5.18 Heat Sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­39 5.19 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­42 5.20 Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5­44 5.21 Top Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­55 5.22 PC Card/Digital Media Board. . . . . . . . . . . . . . . . 5­61 5.23 Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­64 5.24 Microphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­66 5.25 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­68 5.26 MultiBay II Eject Assembly . . . . . . . . . . . . . . . . . 5­77 Maintenance and Service Guide v Contents 6 Specifications A Screw Listing B Backup and Recovery C Display Component Recycling D Connector Pin Assignments E Power Cord Set Requirements Index vi Maintenance and Service Guide 1 Product Description The HP Compaq nc6400 Notebook PC offers advanced modularity, Intel® CoreTM Duo and Core Solo processors, and extensive multimedia support. HP Compaq nc6400 Notebook PC Maintenance and Service Guide 1­1 Product Description 1.1 Features The following processors, varying by computer model: 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 Intel Core Solo T1300 (1.66-GHz) processor 14.1-inch, WXGA+, TFT (1440 × 900) and 14.1-inch, WXGA, TFT (1440 × 900) display, with over 16.8 million colors, varying by computer model 100-, 80-, 60-, and 40-GB high-capacity hard drive, varying by computer model 256-MB DDR2 synchronous DRAM (SDRAM) at 533 MHz and 667 MHz, expandable to 4.0 GB Microsoft® Windows® XP Professional Full-size Windows keyboard with numeric keypad TouchPad and pointing stick pointing devices, including a dedicated vertical scroll region Integrated 10 Base-T/100 Base-TX Ethernet local area network (LAN) network interface card (NIC) with RJ-45 jack Integrated high-speed 56K modem with RJ-11 jack 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 1­2 Maintenance and Service Guide Product Description External 90- and 65-watt AC adapters with 3-wire power cord, varying by computer model 8-cell and 4-cell Li-Ion batteries Stereo speakers Volume up, volume mute, and volume down buttons Support for the following optical drives: DVD±RW and CD-RW Double-Layer Combo Drive DVD±RW and CD-RW Combo Drive DVD-ROM drive Connectors: Accessory battery Audio-in (microphone) Audio-out (headphone) Digital Media Slot Docking connector External monitor IEEE 1394 RJ-11 (modem) RJ-45 (network) S-Video-out SmartPower Three Universal Serial Bus (USB) v. 2.0 Maintenance and Service Guide 1­3 Product Description 1.2 Resetting the Computer If the computer you are servicing has an unknown password, follow the steps below to reset the password. These steps also clear CMOS. not an unknown password The following steps will has clear enabled in the BIOS. Ifif the stringent security option been stringent security is enabled, the system board must be replaced to reset an unknown password. Refer to Section 5.21, "Top Cover," for more information on replacing the system board. Before replacing the system board, perform the steps below to make sure stringent security has been properly enabled. Enabling stringent security provides enhanced protection for the power-on password and administrator password and other forms of power-on authorization. Stringent security is enabled/disabled by accessing the Password Options menu in the Computer Setup utility. Refer to Section 2.1, "Computer Setup," for more information. 1. Prepare the computer for disassembly (refer to Section 5.3, "Preparing the Computer for Disassembly," for more information). 2. Remove the real-time clock (RTC) battery (refer to Section 5.11, "RTC Battery," for more information on removing and replacing the RTC battery). 3. Wait approximately 5 minutes. 4. Replace the RTC battery and reassemble the computer. 5. Connect AC power to the computer. Do not reinsert any batteries at this time. 6. Turn on the computer. All passwords and all CMOS settings have been cleared. 1­4 Maintenance and Service Guide 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 Battery calibration Lid switch standby/resume Power button Advanced Configuration and Power Management (ACPM) compliance Maintenance and Service Guide 1­5 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 1 Component Wireless light Function On: An integrated wireless device, such as a wireless local area network (LAN) device and/or a Bluetooth® device, is turned on. On: The computer is on. Blinking: The computer is in standby. Blinking rapidly: An HP Smart AC Adapter with a higher power rating should be connected. Off: The computer is off or in hibernation. 2 Power light 1­6 Maintenance and Service Guide Product Description Table 1-1 Front Components (Continued) Item 3 Component Battery light Function Amber: A battery is charging. Green: A battery is close to full charge capacity. Blinking amber: A battery that is the only available power source has reached a low-battery condition. When the battery reaches a critical low-battery condition, the battery light begins blinking more quickly. Off: If the computer is connected to an external power source, the light is turned off when all batteries in the computer are fully charged. If the computer is not connected to an external power source, the light is turned off until the battery reaches a low-battery condition. Blinking green: The hard drive or optical drive is being accessed. Amber: HP Mobile Data Protection has temporarily parked the hard drive. Provides wireless communication between the computer and an optional IrDA-compliant device. Supports Secure Digital (SD) Memory Cards and MultiMediaCards (MMC). Produce stereo sound. Opens the computer. 4 Drive light 5 Infrared port 6 7 8 Digital Media Slot Stereo speakers (2) Display release latch Maintenance and Service Guide 1­7 Product Description The external components on the right side of the computer are shown below and described in Table 1-2. Right-Side Components 1­8 Maintenance and Service Guide Product Description Table 1-2 Right-Side Components Item 1 2 3 Component Smart card slot MultiBay II device USB port Function Supports optional smart cards and JavaTM Cards. Supports an optical disc. The type of optical drive varies by computer model. Connects USB 1.1- and 2.0-compliant devices to the computer using a standard USB cable, or connects an optional External MultiBay II to the computer. The MultiBay II must also be connected to an external power source. Connects an optional network cable. Connects the modem cable. 4 5 RJ-45 (network) jack RJ-11 (modem) jack Maintenance and Service Guide 1­9 Product Description The external components on the left side of the computer are shown below and described in Table 1-3. Left-Side Components 1­10 Maintenance and Service Guide Product Description Table 1-3 Left-Side Components Item 1 Component Exhaust vent Function Provides airflow to cool internal components. Ä To prevent overheating, do not obstruct vents. Use the ...