Compaq Evo n800c Maintenance and Service Guide - Page 76

Flowchart 2.6-No Video, Part 1

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Troubleshooting Flowchart 2.6-No Video, Part 1 No Video. Stand-alone or Docking Station? Docking Station Go to Section 2.7, No Video, Part 2. *NOTE: To change from internal to external display, use the hotkey combination. Stand-alone Internal or external display*? External Adjust brightness. Adjust brightness. Internal A Y Video OK? N Press lid switch to ensure operation. Done Y Y Video OK? Done Video OK? Done N N Check for bent pins on cable. Replace the following one at a time. Test after each replacement. 1. Cable between notebook and computer display (if applicable) 2. Inverter board (if applicable) 3. Display 4. System board N N Video OK? Try another display. Internal and external video OK? Replace system board. Y Y Done Done 2-16 Maintenance and Service Guide

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2–16
Maintenance and Service Guide
Troubleshooting
Flowchart 2.6—No Video, Part 1
A
N
Stand-alone
or Docking
Station?
No Video.
Replace the following one at a time. Test after each replacement.
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
Stand-alone
External
Adjust
brightness.
Video OK?
Done
Y
Press 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.
Y
Y
N
N
*
NOTE:
To change from internal to
external display, use the hotkey
combination.
Y
Go to
Section 2.7,
No Video, Part 2.