| Troubleshooting |
| Symptom Charts/Startup - 3 |
Hardware failure | 1 | Turn off the computer and disconnect any external devices. | |
occurs | 2 | Reset PRAM (during startup, hold | |
error chord sequence | 3 | keys until the second startup tone is heard). | |
sounds after startup | Remove expansion module from left expansion bay and restart | ||
chord) |
| computer. If startup sequence is normal, insert expansion | |
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| 4 | module and retest. |
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| Remove expansion module from right expansion bay and | |
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| restart computer. If startup sequence is normal, insert |
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| 5 | expansion module and retest. |
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| Disconnect hard drive connector and restart computer. If | |
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| 6 | startup sequence is normal, reconnect cable and retest. |
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| Replace hard drive connector board. | |
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| 7 | Replace hard drive. |
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| 8 | Replace I/O logic board. |
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| 9 | Replace microprocessor board. |
