Installing the coin-cell battery
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following images indicate the location of the coin-cell battery and provides a visual representation of the installation procedure.
![Installing the coin-cell battery](https://dl.dell.com/topics/vostro_3405_sm/images/GUID-B1C0D08D-2B58-4E36-8B0F-B13EEEE141BC-low.jpg)
Steps
- Place the coin-cell battery into the coin-cell battery holder on the I/O board with the plus sign facing up.
- Press down on the coin-cell battery to lock it in place in the coin-cell battery holder.
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