Apple Mac 8600 - Manual (Page 84)

Troubleshooting Symptom Charts/Peripherals - 21
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 Replace ADB cable.
5 If mouse does not work in any ADB port on computer, replace
mouse.
6 Replace processor card.
7 Replace logic board. Retain customer's DIMMs.
Cursor moves, but
clicking mouse
button has no effect
1 Boot from floppy or bootable CD.
2 Replace mouse.
3 Replace logic board. Retain customer's DIMMs.