Checking the Backup Battery (765D-9546 765L-9547)

Checking the Backup Battery Nonrechargeable
  1.  Power off the computer and unplug the AC Adapter from the computer.
  2.  Open the keyboard and remove the diskette drive/CD-ROM drive, the battery pack,  and the hard disk drive.
  3.  Remove the top cover and keyboard unit.
  4.  Open the keyboard unit, then remove the keyboard card.
  5.  Remove the backup battery from the keyboard card. Refer to 'Backup Battery, Speaker, Standby Battery', to  remove the battery.
  6.  Measure the voltage of the backup battery connector.


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

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