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| Troubleshooting |
| Symptom Charts/Power - 5 | |
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| is blank; | 1 | If sleep LED is continually on, backup battery power has |
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Screen | |||||
computer doesn't |
| been interrupted. Restart computer by holding down reset | |||
respond |
| actuator | |||
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| 2 | ||
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| Restart computer. | ||
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| 3 | Disconnect power adapter, remove battery, and restart | |
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| 4 | computer in | |
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| Check power adapter cable. | ||
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| 5 | Try | |
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| 6 | Test fuse on logic board to make sure it is not open. | |
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| 7 | Try | |
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| 8 | Basics chapter.) | |
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| Reset power manager. | ||
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| 9 | Check all logic board cables and connections. | |
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| 10 | Replace keyboard. | |
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| 11 | Replace power supply board (5300 Series only). | |
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| 12 | Replace logic board. | |
