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Dell OptiPlex 5490 All-In-One - Coin-Cell Battery; Removing the Coin-Cell Battery

Dell OptiPlex 5490 All-In-One
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3. Install the cable cover (optional).
4. Install the stand.
5. Follow the procedure in After working inside your computer.
Coin-cell battery
Removing the coin-cell battery
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the stand.
3. Remove the cable cover (optional).
4. Remove the back cover.
5. Remove the system-board shield.
NOTE: Removing the coin-cell battery resets the CMOS and BIOS settings to default and results in data lose. It is
recommended that you note the CMOS and BIOS settings before removing the coin-cell battery.
About this task
The following image indicates the location of the coin-cell battery and provides a visual representation of the removal procedure.
50
Removing and installing components

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