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Troubleshooting

Maintenance and Service Guide 2–13

Flowchart 2.5—No Power, Part 4

Continued from

“Flowchart

2.4—No Power,

Part 3.”

Reseat loose

components and

boards and

replace damaged

items.

Open

notebook.

Loose or

damaged

parts?

notebook and

retest.

Power on?

Done

Replace the following items (if applicable). Check

notebook operation after each replacement:

1. Internal DC-DC converter*

2. Internal AC adapter

3. Processor board*

4. System board*

*NOTE: Replace these items as a set to prevent

shorting out among components.

Questions and Answers:

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HP Pavilion dv4000 Specifications

General

Display	15.4-inch WXGA or WSXGA+
Operating System	Windows XP Home or Professional
Processor	Intel Pentium M or Intel Celeron M
Display Resolution	1280 x 800 or 1680 x 1050
RAM	256 MB to 2 GB
Storage	40 GB to 100 GB HDD
Graphics	Intel GMA 900 or ATI Mobility Radeon
Optical Drive	DVD±RW
Ports	3 USB 2.0, VGA, S-Video, Ethernet, Modem, Headphone, Microphone, IEEE 1394
Wireless	802.11b/g
Battery Life	Up to 3 hours