Troubleshooting
Flowchart 2.6—No Video, Part 1
No video.
Docking Device
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| *NOTE: To change from internal to | ||||
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| external display, use the hotkey | |||||
| or docking |
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| combination. |
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| device? |
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| Y | |||||||
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| Internal or |
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| Adjust |
| Video OK? |
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| Done |
| external |
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| brightness. |
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| display*? |
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| N |
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External | Internal |
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| A |
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| Adjust |
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| Press lid |
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| switch to ensure |
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| brightness. |
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| operation. |
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| Y |
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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 computer and computer display (if applicable)
2.Display
3.System board
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| Try |
| Internal and |
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| Replace |
| Video OK? |
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| another |
| external |
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| system |
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| display. |
| video OK? |
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Y |
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| Done |
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| Done |
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Maintenance and Service Guide |