Lenovo Aptiva Hardware Maintenance Manual page 104

005 - DOES THE POWER SUPPLY FAN RUN?
(YES, READ AHEAD. NO, GO TO STEP 009)
•
With the system powered on and the power supply
fan running, check the voltages of the power
supply connectors for the system board and all
drive connectors, as shown in the following figures.
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 74.
•
If the fan stops running when a drive connector is
plugged back in, go to "Start" on page 33.
70 IBM Desktop System HMM
Cable side view