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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.
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© Copyright 2005 Hewlett-Packard Development Company, L.P. Microsoft and Windows are U.S. registered trademarks of Microsoft Corporation. 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. SD Logo is a trademark of its proprietor. The information contained herein is subject to change without no
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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. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–26 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 Subcomponents. . . . . . . . . . . . . 3–14 HP Pavilion dv4000 Models . . . . . . . . . . . . . . . . . . 3–14 3.4 Display Assembly Subcomponents. . . . . . . . . . . . . 3–16 Compaq Presario V4000 Models . . . . . . . . . . . . . . 3–16 3.5 Miscellaneous Doors/Covers Kit Spare Part Informat
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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 Optical Drive. . . . . . . . . . . . . . . . . . . . . . . . .
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Contents 6 Specifications A Connector Pin Assignments B Power Cord Set Requirements C Screw Listing D Display Component Recycling Index vi Maintenance and Service Guide
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1 Product Description The HP Pavilion dv4000 Notebook PC 1 and Compaq Presario V4000 Notebook PC 2 offer advanced modularity, Intel® Pentium® M and Celeron® M processors, and extensive multimedia support. HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Notebook PC Maintenance and Service Guide 1–1
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Product Description 1.1 Features ■ Intel Pentium M 2.00-, 1.73-, 1.60-, or 1.50-GHz processors, or Intel Celeron M 1.50-, 1.40-, or 1.30-GHz processors, varying by computer model ■ 15.4-inch, WXGA, TFT (1280 × 800) with BrightView display, or 15.4-inch, WXGA, TFT (1280 × 800) display, varying by computer model ■ 100-, 80-, 60-, or 40-GB high-capacity hard drive, varying by computer model ■ 256-MB DDR synchronous DRAM (SDRAM) at 333 MHz, expandable to 2.0 GB ■ Microsoft® Windows® XP Home Ed
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Product Description Numerous references are made throughout this Maintenance and ✎ Service Guide to “full-featured” and “defeatured” models. A model is considered to be full-featured if it has 4 Universal Serial Bus ports and the following components: ■ Digital Media Slot/Memory Reader ■ Expansion port ■ ExpressCard slot ■ IEEE 1394 port ■ Infrared port ■ Quick Launch buttons (HP Pavilion dv4000 models only) A computer model is considered to be defeatured if it has only 2 Universal Serial Bu
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Product Description 1.2 Resetting the Computer If the computer you are servicing has an unknown password, follow these steps to set a new password. These steps also clear CMOS: 1. Enter an incorrect password and press enter. 2. Repeat step 1 two more times. After the third entry of the incorrect password, the computer responds with a “System Disabled” message and provides an override password. 3. On another computer running Windows XP, download the unlock6.exe utility from the HP Channel Se
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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. Depending on your computer model, component locations may vary. Front Components 1–6 Maintenance and Service Guide
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Product Description Table 1-1 Front Components Item Component Function 1Power light ■ On: Computer is turned on. ■ Blinking: Computer is in standby. ■ Off: Computer is off or in hibernation. 2Battery light ■ On: The battery pack is charging. ■ Blinking: The battery pack has reached a low-battery condition. ■ Off: The battery pack is fully charged or not inserted. 3 Integrated Drive On or blinking: The internal hard drive or an Electronics (IDE) optical drive is being accessed. drive light 4 C
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Product Description The external components on the right side of the HP Pavilion dv4000 are shown below and described in Table 1-2. Depending on your computer model, component locations may vary. Right-Side Components, HP Pavilion dv4000 1–8 Maintenance and Service Guide
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Product Description Table 1-2 Right-Side Components, HP Pavilion dv4000 Item Component Function 1 Optical drive Supports an optical disc, such as a CD or DVD. 2Audio-out Connects an optional headphone or (headphone) jack powered stereo speakers. Also connects (full-featured the audio function of an audio/video device, models only) such as a television or VCR. 3 Audio-in (microphone) Connects an optional stereo microphone. jack (full-featured models only) 4 USB ports Connect optional USB dev
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Product Description The external components on the right side of the Compaq Presario V4000 are shown below and described in Table 1-3. Depending on your computer model, component locations may vary. Right-Side Components, Compaq Presario V4000 1–10 Maintenance and Service Guide
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Product Description Table 1-3 Right-Side Components, Compaq Presario V4000 Item Component Function 1 Optical drive Supports an optical disc, such as a CD or DVD. 2 Audio-out (headphone) Connects an optional headphone or jack (full-featured powered stereo speakers. Also connects models only) the audio function of an audio/video device, such as a television or VCR. 3 Audio-in (microphone) Connects an optional stereo microphone. jack (full-featured models only) 4 USB ports Connect optional USB
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Product Description The external components on the left side of the HP Pavilion dv4000 are shown below and described in Table 1-4. Depending on your computer model, component locations may vary. Left-Side Components, HP Pavilion dv4000 Table 1-4 Left-Side Components, HP Pavilion dv4000 Item Component Function 1 Power connector Connects the AC adapter cable. 2 RJ-11 (modem) jack Connects a modem cable (not included). 3 RJ-45 (network) jack Connects a network cable (not included). 4 Expansion po
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Product Description Table 1-4 Left-Side Components, HP Pavilion dv4000 (Continued) Item Component Function 6 1394 port (4-pin; Connects an optional 1394a device such as full-featured a scanner, a digital camera, or a digital models only) camcorder. 7 Digital Media Slot Supports the following optional digital (full-featured cards: SD (Secure Digital) Memory Card, models only) SD I/O Card, Memory Stick, Memory Stick Pro, MultiMediaCard, xD-Picture Card, and SmartMedia. 8 Digital Media Slot O
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Product Description The external components on the left side of the Compaq Presario V4000 are shown below and described in Table 1-5. Depending on your computer model, component locations may vary. Left-Side Components, Compaq Presario V4000 Table 1-5 Left-Side Components, Compaq Presario V4000 Item Component Function 1 Power connector Connects the AC adapter cable. 2 RJ-11 (modem) jack Connects a modem cable (not included). 3 RJ-45 (network) jack Connects a network cable (not included). 4 Exp
