Sony VGN-BX500 - Manual (Page 21)

21 n N
Getting Started
Using the Battery Pack
The battery pack supplied with your computer is not fully charged at the time of purchase.
Installing the Battery Pack
To install the battery pack
1 Turn off the computer and close the LCD screen lid.
2 Slide the LOCK/UNLOCK switch (1) on the bottom of the computer to the UNLOCK position.