HP Compaq tc4400

Troubleshooting
Maintenance and Service Guide 2–13
Flowchart 2.7—No Video, Part 2
Y
N
Continued from
“Flowchart
2.6—No Video,
Part 1.”
Done
Adjust external
monitor display.
Video OK?
Adjust
display
brightness.
Video OK?
Video OK?
Done
Done
Check that computer is properly
seated in docking device, for
bent pins on cable, and for
monitor connection.
Go to “A” in
“Flowchart
2.6—No Video,
Part 1.”
Check brightness
of external
monitor.
Try another
external
monitor.
Internal
and external
video OK?
Go to
“Flowchart
2.8—Nonfunctioning
Docking Device (if
applicable).”
Y
Y
Y
N
N
N
Remove
computer from
docking device,
if connected.