Apple quadra 800.ws 80 Service Manual

Page of 81
 
 Troubleshooting
Symptom Charts - 13
 
Peripherals
 
Cursor does not move
1 Check mouse connection.
2 Inspect inside of mouse for buildup of dirt or other 
contaminants.  Clean mouse if necessary.
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.
Cursor moves, but 
clicking mouse 
button has no effect
1 Replace mouse.
2 Replace logic board.  Retain customer’s SIMMs.