| Troubleshooting |
| Symptom Charts/Peripheral (Continued) - 14 |
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| Peripheral (Continued) | |
1 | Remove duplicate system files from hard drive. | ||
open application, | 2 | Clear parameter RAM. Hold down <Command> <Option> <P> | |
disk, or server |
| <R> during startup but before “Welcome to Macintosh” | |
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| 3 | appears. |
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| If mouse was connected to keyboard, connect mouse to | |
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| computer ADB port instead. If mouse works, replace |
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| 4 | keyboard. |
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| If mouse does not work in any ADB port on computer, replace | |
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| 5 | mouse. |
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| Replace logic board. Retain customer’s SIMMs. | |
No response to any | 1 | Verify that keyboard is connected to ADB port. | |
key on the keyboard | 2 | Replace keyboard cable. | |
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| 3 | Replace keyboard. |
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| 4 | Replace logic board. Retain customer’s SIMMs. |
