[. . . ] Maintenance and Service Guide
HP Pavilion dv4000 Notebook PC Compaq Presario V4000 Notebook PC
Document Part Number: 377367-003
October 2005
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 2005 Hewlett-Packard Development Company, L. P. Intel, Pentium, and Celeron 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. [. . . ] Prepare the computer for disassembly (refer to Section 5. 3).
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Removal and Replacement Procedures
2. Loosen the three Phillips PM2. 0×5. 0 screws 1 that secure the memory module compartment cover to the computer. cover is The memory module compartmentspare partincluded in the Miscellaneous Doors/Covers Kits, number
383469-001 (for use with HP Pavilion dv4000 models) and spare part number 384627-001 (for use with Compaq Presario V4000 models).
Removing the Memory Module Compartment Cover
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5. Spread the retaining tabs 1 on each side of the memory module socket to release the memory module. (The side of the module opposite the socket rises away from the computer. ) 6. designed with a to prevent Memory modules areinto the memory notch 3socket. incorrect installation module
Removing the Memory Module
Reverse the above procedure to install a memory module.
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Removal and Replacement Procedures
5. 8
Mini PCI Communications Module
Mini PCI Communications Module Spare Part Number Information
802. 11b/g WLAN module, for use in most of the world 802. 11b/g WLAN module, for use in the rest of the world 802. 11b/g WLAN Mini PCI communications Broadcomm module, for use in most of the world 802. 11b/g WLAN Mini PCI communications Broadcomm module, for use in the rest of the world
378973-001 378972-001 396694-001 396695-001
1. which Make note of which antenna cable is attached tobefore antenna clip on the Mini PCI communications module disconnecting the cables.
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3. Disconnect the auxiliary and main antenna cables 1 from the Mini PCI communications module. Spread the retaining tabs 2 on each side of the Mini PCI socket to release the Mini PCI communications module. (The edge of the module opposite the socket rises away from the computer. ) 5. Remove the Mini PCI communications module by pulling the card away from the socket at a 45-degree angle 3.
Mini PCI communications modules are designed with notches 4 to prevent incorrect installation.
Removing a Mini PCI Communications Module
Reverse the above procedure to install a Mini PCI communications module.
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5. 9
RTC Battery
RTC Battery Spare Part Number Information
RTC battery (includes 2-sided tape)
384626-001
1. (The RTC battery is attached to the system board with two-sided tape. )
Removing the RTC Battery
Reverse the above procedure to install the RTC battery.
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5. 10 Heat Sink
Heat Sink Spare Part Number Information
Heat sink (includes fan and thermal paste) 384622-001
1. Remove the Phillips PM2. 0×5. 0 screw 1 that secures the thermal cover to the computer. included in the Miscellaneous The thermal cover isspare part number 383469-001 (for use Doors/Covers Kits,
with HP Pavilion dv4000 models) and spare part number 384627-001 (for use with Compaq Presario V4000 models). Remove the thermal cover.
Removing the Thermal Cover
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Removal and Replacement Procedures
be removed and The following screws shouldon the heat sink. Remove the four Phillips PM2. 0×12. 0 spring-loaded shoulder screws 1 that secure the heat sink to the computer. of the thermal located Due to the adhesive qualityprocessor, it maypastenecessary to between the heat sink and be move the heat sink from side to side to detach the heat sink from the processor. Remove the heat sink 2.
Removing the Heat Sink
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paste thoroughly The thermalthe heatshould1beand processorcleaned from the heat surfaces of sink 2 each time the 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.
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5. 11 Processor
Processor Spare Part Number Information
Intel Pentium M 2. 13-GHz Intel Pentium M 2. 00-GHz Intel Pentium M 1. 86-GHz Intel Pentium M 1. 73-GHz Intel Pentium M 1. 60-GHz 396700-001 396699-001 393327-001 383474-001 383473-001 and 396698-001 383471-001 396697-001 389036-001
Intel Celeron M 1. 50-GHz Intel Celeron M 1. 40-GHz Intel Celeron M 1. 30-GHz
1. Remove the heat sink (Section 5. 10).
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3. Use a flat-bladed screwdriver to turn the processor locking screw one-half turn counterclockwise 1 until you hear a click. [. . . ] The only components intended for recycling purposes are the liquid crystal display (LCD) panel and the backlight. Careful handling should be exercised when removing these components.
Materials Disposal mercury in the backlight in the display This HP product contains
assembly and may require special handling at end-of-life. Disposal of mercury may be regulated because of environmental considerations. For disposal or recycling information, contact your local authorities or visit the Electronic Industries Alliance (EIA) at http://www. eiae. org.
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Display Component Recycling
This appendix provides disassembly instructions for the display assembly. [. . . ]