IBM 2158240 - Aptiva E - 2158, Руководство по техническому обслуживанию и ремонту

Страница: 88 / 187

56
Keyboard
001 - START
•
Power off system unit and ensure the keyboard plug is connected properly.
002 -
•
Insert the diagnostics diskette into the diskette drive and power on the
system unit.
•
Select Interactive Tests menu, then execute Keyboard test.
003 - DOES THE KEYBOARD FUNCTION CORRECTLY? (YES, READ
AHEAD. NO, GO TO STEP 004.)
•
Keyboard is functioning normally.
•
End.
004 - ARE THERE ANY STUCK KEYS OR ANY GRIME IN THE GAP OF
KEYCAPS? (YES, READ AHEAD. NO, GO TO STEP 005.)
• Power off the system unit. Carefully remove the grime and solve the stuck
keys problem.
•
Go to step 001.
005 - ARE THERE ANY BROKEN PINS IN THE KEYBOARD PLUG? (YES,
GO TO STEP 007. NO, READ AHEAD.)
•
Try with a known good keyboard.
006 - DOES THE ERROR SYMPTOM STILL REMAIN? (YES, READ
AHEAD. NO, GO TO STEP 007.)
•
Replace the system board.
•
End.
007 -
•
Replace the keyboard.
• End.