Testing the AC Adapter (8543)

Testing the AC Adapter
  1.  If a noise can be heard from the AC adapter when it is  plugged into line voltage, replace  the AC adapter.

    If a noise still comes from the AC adapter, suspect  the computer.
     If not, the AC adapter has a problem. Replace the AC adapter with  the original one, then go to the next step.

  2.  Measure the output voltage at the plug of the AC adapter cable.


Pin Voltage (Vdc)
1 +14.3 to +15.8
2 Ground

If the voltage is not correct, replace the AC adapter.

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