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| Troubleshooting |
| Symptom Charts/Video (Continued) - 8 | |
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| Video (Continued) |
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Display is very light | 1 | Adjust screen contrast and brightness settings. | |||
or totally white | 2 | Verify cable, inverter board, interconnect board, | |||
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| 3 | daughterboard, and motherboard connections. | |
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| Replace inverter board. | ||
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| 4 | Replace interconnect board. | |
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| 5 | Replace | |
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| 6 | Replace display. | |
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| 7 | Replace daughterboard. | |
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| 8 | Replace motherboard. | |
Display stopped | 1 | PowerBook 520/520c: If temperature is under 5° C or over | |||
working or dimmed | 2 | 40° C, this reaction is normal. | |||
but is fine now | Let screen warm up for 30 minutes. | ||||
