Dell Latitude 7220 Rugged Extreme Tablet Service Manual - Page 46
Installing the coin-cell battery
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NOTE: Removing the coin-cell battery resets the BIOS setup programs settings to default. It is recommended that you note the BIOS setup programs settings before removing the coin-cell battery. About this task The figure indicates the location of the coin-cell battery and provides a visual representation of the removal procedure. Steps 1. Disconnect the coin-cell battery cable from the system board. 2. Move the fingerprint reader cable and microSD card cable over the coin-cell battery. 3. Peel the coin-cell battery off the system board. Installing the coin-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the coin-cell battery and provides a visual representation of the installation procedure. 46 Removing and installing components