Technical data

Table C–1 (Cont.) Symptoms, Causes, and Corrective Action
Symptom Possible Cause Corrective Action
Keyboard Problems
Keys do not work. Hold Screen key is
active. Hold screen light
is on.
Press the Hold Screen key to release hold
on screen.
Keyboard cable is loose
or not connected.
Check the keyboard cable at both ends.
Keyboard has failed. Replace the keyboard.
(continued on next page)
C–6 Troubleshooting