Apple powermac 8500 series Servicehandbuch

 

 Troubleshooting

Symptom Charts/Peripherals 

 

 (Continued)

 

 - 25

 

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.