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Troubleshooting Symptom Charts/Peripheral - 23
Cannot double-click
to open application,
disk, or server
1 Remove extra system files on hard drive.
2 Check mouse speed on Control Panel.
3 Unplug 4.5 battery, wait 20 seconds, plug in battery, and
restart computer.
4 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.
5 Replace logic board. Retain customer’s DIMMs.
No response to any
key on keyboard
1 Verify that system software is version 7.5 (or later).
2 Check keyboard connection to ADB port.
3 Replace keyboard.
4 Reseat logic board.
5 Replace logic board. Retain customer’s DIMMs.