Apple powermac 8500 series Servicehandbuch
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Troubleshooting
Symptom Charts/Peripherals
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Peripherals
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No response to any
key on keyboard
1 Check keyboard connection to ADB port.
2 Replace keyboard cable.
3 Replace keyboard.
4 Replace logic board. Retain customer's DIMMs.
Known-good serial
printer does not work
1 Verify you have correct version of system software.
2 Verify that Chooser is set correctly.
3 Reinstall correct printer drivers.
4 Do clean install of system software.
5 Replace printer interface cable.
6 Replace logic board. Retain customer's DIMMs.