Checking the Backup Battery (2635 380-385)

Checking the Backup Battery
  1.  Power off the computer and unplug the AC Adapter from the computer.
  2.  Turn the computer upside down.
  3.  Remove the DIMM cover and backup battery (see DIMM Card / Backup Battery)
  4.  Measure the voltage of the backup battery.

    NOTE: Be careful not to measure the wrong side of the  backup battery.


Wire Voltage (Vdc)
Red +2.5 to +3.7
Black Ground

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