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| Troubleshooting |
| Symptom Charts/Video - 13 | |
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| Note: If sleep light is blinking and computer is not in sleep |
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No display, but | |||||
computer appears to | mode, reset power manager. | ||||
operate correctly | 1 | Insert disk into floppy drive and press | |||
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| 2 | disk) to verify that computer is working. | |
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| Adjust screen brightness setting. | ||
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| 3 | Verify display cable, inverter board, PMU connections, and | |
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| 4 | I/O logic board connections. | |
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| Verify inverter cable. | ||
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| 5 | Connect power adapter. | |
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| 6 | Replace inverter board. | |
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| 7 | Replace display. | |
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| 8 | Replace I/O logic board. | |
