Apple 550C Instrukcja Użytkownika Pobierz pdf (Strona 37)

Troubleshooting Symptom Charts/Video

(Continued)

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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.

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Apple 550C Instrukcja Użytkownika Strona 37