No Power, Part 3 - HP Compaq NC8000 Maintenance And Service Manual

Flowchart 2.5—No Power, Part 4
Continued from
Flowchart 2.4,

No Power, Part 3.

Open
notebook.
Loose or
damaged
parts?
N
Close
notebook and
retest.
Power on?
Y
Done
Maintenance and Service Guide
Y
Reseat loose
components and
boards and
replace damaged
items.
N
Replace the following items (if applicable) in
the order given. Check notebook operation
after each of the two following replacement
steps:
1. Internal DC-DC converter, processor, and
system board*
2. Internal AC adapter
*NOTE: Replace these items as a set to
prevent shorting out among components.
Troubleshooting
2–15