Lenovo Aptiva Hardware Maintenance Manual page 105

007 - DO YOU HAVE AN OHM READING WHEN
THE SWITCH IS PRESSED AND AN OPEN
READING WHEN THE SWITCH IS RELEASED?
(YES, READ AHEAD. NO, GO TO STEP 008.)
•
Replace the on/off switch cable assembly.
008 -
•
Replace the system board.
•
End.
009 -
•
Replace the power supply.
•
End.
Check Procedures 71