Apple Mac 5260/100 - Manual (Page 67)

Troubleshooting Symptom Charts/Peripheral - 22
Peripheral
Cursor does not move 1 Restart system.
2 Check mouse connection.
3 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.
4 Reseat logic board.
5 Replace logic board. Retain customer’s SIMMs.
Cursor moves, but
clicking mouse
button has no effect
1 Replace mouse.
2 Reseat logic board.
3 Replace logic board. Retain customer’s SIMMs.