HP Deskpro /M Desktop PC 486s/33M Compaq Deskpro Family of Personal Computers, - Page 35
No Video, Part 1, Display LCD
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6. No Video, Part 1 No Video Standalone or Docking Station*? Standalone Docking Station Go to page 3-8, No Video, Part 2 *Note: To change from internal A to external display, use Fn + F4 Key combination. Internal or external display*? Internal Adjust Brightness. External Y Video OK? Done N Adjust brightness. Depress lid switch to ensure operation. Video OK? Y Done Y Video OK? Done N Check for bent pins on cable and for monitor connection. N Replace one at a time. Test after each item: 1. Cable between PC and internal monitor (if applicable) 2. Inverter board (if applicable) 3. Display LCD 4. System board Video OK? Y N Try another monitor. Internal and N external video OK? Y Replace system board. Done Done Quick Troubleshooting Guide 3-7
Quick Troubleshooting Guide
3-7
6. No Video, Part 1
Internal and
external
video OK?
Done
N
Adjust
brightness.
No Video
Standalone
or Docking
Station*?
Internal or
external
display
*
?
Internal
Adjust
Brightness.
Done
Y
N
Depress lid switch to
ensure operation.
Video OK?
Done
Y
N
Replace one at a time. Test after each item:
1. Cable between PC and
internal monitor (if applicable)
2. Inverter board
(if applicable)
3. Display LCD
4. System board
External
Video OK?
Done
Y
N
Check for bent pins on
cable and for monitor
connection.
Video OK?
N
Y
Done
Video OK?
Replace
system
board.
A
*Note: To change from internal
to external display, use
Fn + F4 Key combination.
Docking
Station
Go to page 3-8,
No Video, Part 2
Standalone
Y
Try
another
monitor.