Apple 4400/200 PC Manuale Utente

 

 Troubleshooting

Symptom Charts/Peripheral - 13

 

Cannot double-click 

mouse to open 

application, disk, or 

server

1 Check mouse speed on Mouse control panel.

2 Unplug battery from logic board, wait 20 seconds, plug in 

battery, and restart computer.

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

ADB port and disconnect keyboard. If mouse works, replace 

keyboard.

4 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 7.5.3 or later. 

2 Check keyboard connection to ADB port.

3 Replace keyboard.

4 Reseat logic board. 

5 Replace logic board. Retain customer’s DIMMs.