Service manual

Dell
™
Latitude™ E6420 XFR Service Manual
Page 26
5. Disconnect the coin-cell battery cable from the system board.
11.2 Replacing the Coin-Cell Battery
CAUTION: Before you begin any of the procedures in this section, follow the safety
instructions that shipped with your computer.
1. Connect the coin-cell battery cable to the system board.
2. Insert the coin-cell battery into the computer:
If you are installing the same coin-cell battery you removed, slide the battery under the tab, then press down
to seal the tape on bottom.
If you are installing a new coin-cell battery, first remove the adhesive backing paper from the coin-cell
battery. Slide the battery under the tab, then press down to seal the tape on bottom.
1. Replace the RF Passthru board (see
Replacing the RF
Passthru Board).
2. Replace the bottom access panel (see
Replacing the Bottom Access Panel).
3. Follow the procedures in
After Working on Your Computer.
THIS AREA INTENTIONALLY LEFT BLANK