Flowchart 2.6—No Video, Part - HP Pavilion dv9000 Maintenance And Service Manual

Troubleshooting
Flowchart 2.6—No Video, Part 1
No video.
Docking Device
Stand-alone
or docking
device?
Stand-alone
Internal or
external
display*?
External
Adjust
brightness.
Video OK?
N
Check for bent
pins on cable.
Video OK?
Y
Done
2–22
Go to
"Flowchart
2.7—No Video,
Part 2."
Adjust
brightness.
Internal
A
Y
Done
Replace the following one at a time. Test after each replacement.
1. Cable between computer and computer display (if applicable)
2. Display
3. System board
N
Try
another
display.
*NOTE: To change from internal to
external display, use the hotkey
combination.
Video OK?
N
Press lid
switch to ensure
operation.
Video OK?
N
Internal and
external
video OK?
Y
Done
Maintenance and Service Guide
Y
Done
Y
Done
N
Replace
system
board.