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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Internal or |
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external |
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| brightness. | |
display*? |
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External | Internal |
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AdjustA brightness.
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? | Done | Video OK? | Done |
N |
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Check for bent pins on cable.
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
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| Try |
| Internal and |
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| Video OK? |
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| another |
| external |
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| system |
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| display. |
| video OK? |
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| board. |
Y |
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| Done |
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| Done |
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Maintenance and Service Guide |