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Flowchart 2.5-no power, part 4, Flowchart 2.5—no power, part 4, Flowchart – HP ZE4900 User Manual

Page 49: 5—no power, Part 4

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Troubleshooting

Maintenance and Service Guide

2–11

Flowchart 2.5—No Power, Part 4

Y

N

Continued from

“Flowchart

2.4—No Power,

Part 3.”

Reseat loose

components and

boards and

replace damaged

items.

Open

notebook.

Loose or

damaged

parts?

Y

Close

notebook and

retest.

Power on?

Done

N

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.

See also other documents in the category HP Notebooks: