IBM Aptiva 2190, Hardware Maintenance Service, Page: 96 / 165

2-32
Keyboard
001 - START
q
Power off the system unit and make sure that the keyboard plug is
connected properly.
002 -
q
Insert the diagnostics diskette into the diskette drive and power on the
system unit.
q
Select Interactive Tests menu, then execute Keyboard test.
003 - DOES THE KEYBOARD FUNCTION CORRECTLY? (YES, READ
AHEAD. NO, GO TO STEP 004.)
q Keyboard is functioning normally.
q
End.
004 - ARE THERE ANY STUCK KEYS OR ANY GRIME IN THE GAP OF
KEYCAPS? (YES, READ AHEAD. NO, GO TO STEP 005.)
q
Power off the system unit. Carefully remove the grime and solve the
stuck keys problem.
q
Go to step 001.
005 - ARE THERE ANY BROKEN PINS IN THE KEYBOARD PLUG?
(YES, GO TO STEP 007. NO, READ AHEAD.)
q
Try with a known good keyboard.
006 - DOES THE ERROR SYMPTOM STILL REMAIN? (YES, READ
AHEAD. NO, GO TO STEP 007.)
q
Replace the system board.
q
End.
007 -
q Replace the keyboard.
q
End.