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| Troubleshooting |
| Symptom Charts/Video (Continued) - 9 | |
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| Video (Continued) |
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Display is very light | 1 | Adjust screen contrast (PowerBook 140/145/145B only). | |||
or totally white | 2 | Check display 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 display cable. | |
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| 6 | Replace FSTN display (all repairers) or replace active- | |
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| 7 | matrix display (CPRC/ international repairers only). | |
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| Replace daughterboard. | ||
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| 8 | Replace motherboard. | |
