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2–16 Maintenance and Service Guide
Troubleshooting
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) in
the order given. Check notebook operation
after each of the following 2 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.