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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.
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© 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 herei
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Contents 1 Product Description 1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 1.2 Resetting the Computer. . . . . . . . . . . . . . . . . . . . . . . 1–4 1.3 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1–5 1.4 External Components . . . . . . . . . . . . . . . . . . . . . . . . 1–6 1.5 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–24 2 Troubleshooting 2.1 Computer Setup. . . . . . . . . . . . . . . . . .
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Contents 3 Illustrated Parts Catalog 3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3–1 3.2 Computer Major Components. . . . . . . . . . . . . . . . . . 3–2 3.3 Display Assembly Components . . . . . . . . . . . . . . . 3–16 3.4 Plastics Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–18 3.5 Cable Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–20 3.6 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–21 3
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Contents 5 Removal and Replacement Procedures 5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2 5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . 5–3 5.3 Preparing the Computer for Disassembly . . . . . . . . . 5–5 5.4 Hard Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7 5.5 Computer Feet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11 5.6 Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . .
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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
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1 Product Description The HP Compaq nc6400 Notebook PC offers advanced modularity, Intel® Core™ Duo and Core Solo processors, and extensive multimedia support. HP Compaq nc6400 Notebook PC Maintenance and Service Guide 1–1
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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 d
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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 1
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Product Description 1.2 Resetting the Computer If the computer you are servicing has an unknown password, follow the steps below to reset the password. These steps also clear CMOS. The following steps will not clear an unknown password if the ✎ stringent security option has been enabled in the BIOS. If 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
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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 1–5
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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 1 Wireless light On: An integrated wireless device, such as a wireless local area network (LAN) device and/or a Bluetooth® device, is turned on. 2Power light ■ On: The computer is on. ■ Blinking: The computer is in standby. ■ Blinking rapidly: An HP Smart AC Adapter with a higher power
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Product Description Table 1-1 Front Components (Continued) Item Component Function 3 Battery light ■ 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 al
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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
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Product Description Table 1-2 Right-Side Components Item Component Function 1 Smart card slot Supports optional smart cards and Java™ Cards. 2 MultiBay II device Supports an optical disc. The type of optical drive varies by computer model. 3 USB port 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. 4 RJ-45 (network) jack C
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Product Description The external components on the left side of the computer are shown below and described in Table 1-3. Left-Side Components 1–10 Maintenance and Service Guide
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Product Description Table 1-3 Left-Side Components Item Component Function 1 Exhaust vent Provides airflow to cool internal components. To prevent overheating, do not Ä obstruct vents. Use the computer only a hard, flat surface. Do not allow a hard surface, such as an adjoining printer, or a soft surface, such as pillows or thick rugs or clothing, to block airflow. 2 USB ports (2) Connect USB 1.1- and 2.0-compliant devices to the computer using a standard USB cable, or connect an option
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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
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Product Description Table 1-4 Rear Panel Components Item Component Function 1 Security cable slot Attaches an optional security cable to the computer. Security solutions are designed to Ä act as deterrents. These deterrents may not prevent a product from being mishandled or stolen. 2 Battery bay Holds a battery. 3 Smart adapter power Connects an AC adapter or an optional connector power adapter. 4 S-Video-out jack Connects an optional S-Video device, such as a television, VCR, camcorder,
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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
