Apple lc 520.550.575 Servicehandbuch

 

 Troubleshooting

Symptom Charts/Peripheral - 13

 

Cursor does not move

1 Check mouse connection.

2 If mouse was connected to keyboard, connect it to rear ADB 

port instead. If mouse works, replace keyboard.

3 If mouse does not work in any ADB port, replace mouse.

4 Reset PRAM.

5 Remove additional PDS and CS cards.

6 Replace logic board. Retain customer’s SIMMs.

Cursor moves, but 

clicking mouse 

button has no effect

1 Replace mouse.

2 Replace logic board. Retain customer’s SIMMs.