Apple performa 6100 Servicehandbuch

 

 Troubleshooting

Symptom Charts/Peripherals 

 

 (Continued)

 

 - 12

 

Double-click does not 

open application, 

disk, or server

1 Remove duplicate system files from hard drive.

2 Clear parameter RAM. Hold down <Command> <Option> <P> 

<R> during startup but before “Welcome to Macintosh” 

appears.

3 If mouse was connected to keyboard, connect mouse to 

computer ADB port instead. If mouse works, replace 

keyboard.

4 If mouse does not work in any ADB port on computer, replace 

mouse.

5 Replace logic board. Retain customer’s SIMMs.

No response to any 

key on the keyboard

1 Verify that keyboard is connected to ADB port.

2 Replace keyboard cable.

3 Replace keyboard.

4 Replace logic board. Retain customer’s SIMMs.