Dell Latitude E6420 (Early 2011) - Manual (Page 46)

9. Release and remove the coin-cell battery from the computer.
Installing the Coin-Cell Battery
1. Place the coin-cell battery in its location.
2. Connect the coin-cell battery cable to the system board.
3. Connect any antennas that were routed over the coin cell battery.
4. Install the
Base Cover .
5. Install the Secure Digital (SD) card .
6. Install the Battery .
7. Install the ATG Port Cover (only for E6420 ATG systems).
8. Install the ATG Handle (only for E6420 ATG systems).
9. Follow the procedures in After Working Inside Your Computer .
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