Dell Inspiron 27 7720 All-in-One Owners Manual - Page 70
Installing the coin-cell battery, About this task, Steps, Prerequisites
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3. Remove the back cover. 4. Remove the I/O cover. 5. Remove the system-board shield. About this task The following image indicates the location of the coin-cell battery and provides a visual representation of the removal procedure. Steps 1. Press the metal tab to release the coin-cell battery from the coin-cell battery socket. 2. Lift the coin-cell battery from the coin-cell battery socket. 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 following image indicates the location of the coin-cell battery and provides a visual representation of the installation procedure. 70 Removing and installing Customer Replaceable Units (CRUs)