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Troubleshooting Symptom Charts/Video
(Continued)
- 10
Video
(Continued)
No display, but
computer appears to
operate correctly
1 Press any key to wake computer from system sleep.
2 Adjust screen contrast and brightness settings.
3 Verify cable, inverter board, trackpad, keyboard, inter-
connect board, daughterboard, and motherboard connections.
4 Connect power adapter.
5 Replace inverter board.
6 Replace interconnect board.
7 Replace interconnect-to-display cable.
8 Replace display.
9 Reseat daughterboard.
10 Replace daughterboard.
11 Replace motherboard.