Dell Latitude 5420 Rugged - Coin-Cell Battery; Removing the Coin Cell

2. Install the:
a) Batteries
b) Bottom Chassis Cover
3. Follow the procedure in After working inside your computer.
Coin-cell battery
Removing the Coin cell
1. Follow the procedure in Before working inside your computer.
2. Remove the:
a) Bottom chassis cover
b) Batteries
3.
NOTE:
Removing or Disconnecting the coin cell may reset systemboard / BIOS / system time to defaults or engage
bit locker or other similar security protocol devices.
Disconnect the coin cell connector from the system board [1] and remove it from the system [2].
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Removing and installing components