Sony Notebook User Guide
Using your notebook
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Removing the battery pack
To remove the battery pack, proceed as follows:
1 Turn off the computer and close the cover.
2 Slide the lock lever (1) to the Unlock position.
3 Slide the release lever (2) to the Unlock position and slide the battery away from the computer.
✍ You can remove the battery pack without turning off the computer when it is connected to the mains voltage (AC adapter).
Close the cover before you remove the battery pack.
You may lose data if you remove the battery pack while the computer is on and not connected to the AC adapter or if you remove the battery while
the computer is in System Suspend mode.