Compaq Presario,Presario 900 Maintenance And Service Manual page 50

Flowchart 2.5 - No Power, Part 4
Continued from
Flowchart 2.4,
No Power, Part 3.
Open
computer.
Loose or
damaged
parts?
N
Close
computer 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).
Check computer operation after each
replacement:
1. Internal DC-DC converter*
2. Internal AC adapter
3. Processor board*
4. System board*
*Replace these items as a set to prevent
shorting out among components.
Troubleshooting
2–15