Checking the Standby Battery

1.  Power-off the computer and unplug the AC adapter cable  from the computer.
2.  Remove the battery pack.
3.  Remove the indicator cover.
4.  Disconnect the standby battery connector from the voltage converter.
5.  Plug the AC adapter cable  into the computer and power-on the computer.
6.  Measure the output voltage at the connector on the voltage converter.

    
   

   Pin	Voltage (Vdc)
   1	+4
   2	Ground

    

   •  If the voltage is less than +4 Vdc, replace the voltage  converter.
   •  If the voltage is more than +4 Vdc, go to the next step.

7.  Power-off the computer and unplug the AC adapter cable  from the computer.
8.  Reconnect the standby battery to the voltage converter.
9.  Plug the AC adapter cable into  the computer and power-on the computer.  Allow approximately 30 minutes for the standby battery to charge.
10.  Power-off the computer and unplug the AC adapter cable from the  computer and remove the standby battery.
11.  Measure the voltage of the standby battery.
    •  If the voltage is less than 3.5 Vdc, replace the standby battery.

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