![HP Compaq tc4400 Maintenance And Service Manual Download Page 39](http://html.mh-extra.com/html/hp/compaq-tc4400/compaq-tc4400_maintenance-and-service-manual_161117039.webp)
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
computer.
Loose or
damaged
parts?
Y
Close
computer and
retest.
Power on?
Done
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*
*NOTE: Replace these items as a set to prevent
shorting out among components.
Summary of Contents for Compaq tc4400
Page 58: ...3 4 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 61: ...Illustrated Parts Catalog Maintenance and Service Guide 3 7 Computer Major Components ...
Page 63: ...Illustrated Parts Catalog Maintenance and Service Guide 3 9 Computer Major Components ...