IBM Aptiva 2174 Hardware Maintenance Service page 94

Pin-hole side view
006 - ARE THE VOLTAGES CORRECT AND DOES THE FAN RUN? (YES,
READ AHEAD. NO, GO TO STEP 009.)
•
The power supply is working normally.
•
If you suspect the on/off switch cable assembly, see Step 003.
•
If the fan continues to run when all connectors are plugged back in, go to
See "Undetermined Problems" on page 66.
•
If the fan stops running when a drive connector is plugged back in, go to
"Start" on page 31.
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.
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Cable side view