Apple 5420/180 Manuale Utente

 

 Troubleshooting

Symptom Charts/Peripheral - 23

 

Cannot double-click 

to open application, 

disk, or server

1 Remove extra system files on hard drive.

2 Check mouse speed on Control Panel.

3 Unplug 4.5 battery, wait 20 seconds, plug in battery, and 

restart computer.

4 If mouse was connected to keyboard, connect mouse to rear 

ADB port and disconnect keyboard. If mouse works, replace 

keyboard. If mouse does not work in ADB port, replace mouse.

5 Replace logic board. Retain customer’s DIMMs.

No response to any 

key on keyboard

1 Verify that system software is version 7.5 (or later). 

2 Check keyboard connection to ADB port.

3 Replace keyboard.

4 Reseat logic board. 

5 Replace logic board. Retain customer’s DIMMs.