Troubleshooting
Flowchart 2.6—No Video, Part 1
*NOTE: To change from internal to external display, use the hotkey combination.
|
|
|
|
|
|
| Y | ||
Internal or |
|
|
| Adjust |
|
|
|
| Done |
external |
|
|
|
| Video OK? |
|
| ||
|
|
| brightness. |
|
|
| |||
display*? |
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| |
|
|
|
|
| N |
|
|
| |
External |
|
| Internal |
|
|
| |||
|
|
|
|
|
|
|
|
| |
Adjust |
|
|
| A |
| Press lid |
|
|
|
brightness. |
|
|
|
|
| switch to ensure |
|
|
|
|
|
|
|
| operation. |
|
|
| |
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| Y |
|
| 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
|
|
| Try |
| Internal and | Replace | ||
| Video OK? |
| another |
| external | system | ||
|
|
| display. |
| video OK? | board. | ||
Y |
|
| Y |
|
| |||
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
| Done |
|
|
| Done |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Maintenance and Service Guide |