Technical data

Troubleshooting
4-22
Problem Possible Cause Action
No response to keyboard
commands.
Keyboard is password
protected.
Enter the keyboard password.
Keyboard is not connected. Power down the computer and connect
the keyboard.
Keyboard is connected to the
mouse port.
Power down the computer and connect
the keyboard to the keyboard port.
Computer operation halted. Reboot computer.
Keyboard has failed. If available, try another keyboard. If the
new keyboard operates correctly, replace
the old keyboard following the Customer
Replacement Unit process described in
the
Warranty and Information
booklet.
Keyboard controller has failed. Replace the main logic board.
continued