IBM Aptiva 2161, Manual, Page: 91 / 222

Keyboard
001
A failing mouse can show up as a keyboard failure.
– Power-off the system unit.
– Disconnect the mouse from the system unit.
– Power-on the system unit.
DID THE SYMPTOM REMAIN?
Yes No
002
Replace the failing mouse.
003
– Power-off the system unit.
– Reinstall the mouse.
– Ensure the keyboard cable is fully inserted into the system unit.
– Remove any foreign objects that might interfere with the mechanical
operation of the keybuttons.
– Power-on the system unit.
DID YOU RECEIVE A 3XX POST ERROR?
Yes No
004
Go to “Start” on page 2-2.
005
– Power-off the system unit.
– Disconnect the keyboard cable from the system unit.
– Power-on the system unit.
– Check the voltage at the keyboard cable connector on the system board,
shown in Figure 2-4 on page 2-38, after the POST.
Check Procedures
2-37