Sony VPCX131KX - Manual (Page 21)

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Getting Started >
Using the Battery Pack
Using the Battery Pack
The battery pack is already installed on your computer at the time of delivery but is not fully charged.
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Do not use your computer without installing the battery pack as it may cause the computer to malfunction.
Installing/Removing the Battery Pack
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On models that come with the VGP-BPX19 battery pack, refer to the supplied leaflet for information on how to install/remove the battery pack.
To install the battery pack
1 Turn off the computer and close the LCD screen lid.
2 Slide the battery LOCK switches (1) inward.