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Troubleshooting
Maintenance and Service Guide 2–9
2.6 No Video, Part 1
A
N
Standalone
or Docking
Station?
No Video.
Replace one at a time. Test after each item:
1. Cable between notebook and computer display (if applicable)
2. Inverter board (if applicable)
3. Display
4. System board
Internal or
external
display*?
Adjust
brightness.
Video OK? Done
Docking
Station
Internal
Standalone
External
Adjust
brightness.
Video OK? Done
Y
Depress lid
switch to ensure
operation.
Video OK? Done
Y
N
Video OK?
Done
Done
N
Check for bent
pins on cable.
Try
another
display.
Internal and
external
video OK?
Replace
system
board.
YY
NN
*Note:
To change from internal to external
display, use the hotkey combination.
Y
Go to
Section 2.7,
No Video, Part 2.
238850-003.book Page 9 Friday, December 21, 2001 2:53 PM