Troubleshooting
Flowchart 2.6—No Video, Part 1
No video.
Expansion
Base
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or expansion |
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base? |
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| No Video, Part 2. |
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Internal or |
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external |
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display*? |
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External |
| Internal | |
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Adjust |
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brightness. |
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Y
*NOTE: To change from internal to external display, use the hotkey combination.
Y
Video OK? | Done |
N
Press lid
switch to ensure
operation.
Y
Video OK?
N
Check for bent pins on cable.
Done | Video OK? | Done |
N
Replace the following one at a time. Test after each replacement.
1.Cable between notebook and notebook display (if applicable)
2.Inverter board (if applicable)
3.Display
4.System board
NN
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| Internal and | Replace | |
| Video OK? |
| another |
| external | system | |
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| display. |
| video OK? | board. | |
Y |
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| Done |
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| Done |
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Maintenance and Service Guide |