Dell Latitude 3300 Service Manual

Removing the coin cell

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. microSD card
   2. base cover
3. Disconnect the battery cable from the connector on the system board.
4. CAUTION Back up the data before removing the coin cell. Removal of the coin cell resets the BIOS and may cause No Boot, No POST, or potential loss of data.
   Disconnect the battery cable from its connector on the system board [1].
5. Lift and remove the coin cell from the system [2].
   NOTE A strong adhesive is used on the coin cell; a bit of force is needed to peel the battery from the palmrest.