Apple Power Macintosh 7100/80AV - Manual (Page 50)

Troubleshooting Symptom Charts/Peripheral
(Continued)
- 16
Peripheral
(Continued)
Double-click does not
open application,
disk, or server
1 Remove duplicate system files from hard drive.
2 Clear parameter RAM. Hold down
during startup but before "Welcome to Macintosh"
appears.
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.
No response to any
key on the keyboard
1 Verify that keyboard is connected to ADB port.
2 Replace keyboard cable.
3 Replace keyboard.
4 Replace logic board. Retain customer’s SIMMs.