Toshiba Satellite A55 - Manual (Page 48)

48 Mobile computing
If your battery discharges fully, your information will be lost. Be sure
to save your work often.
Removing the battery from the computer
1 Save your work.
2 Shut down and turn off the computer.
3 Unplug and remove any cables connected to the
computer, including the AC adapter.
4 Close the display panel and turn the computer upside
down with the front of the computer facing you.
5 If the battery lock is in the locked position, slide it toward
the unlocked position.
Sample battery release lock
6 Press the battery release latch to release the battery.
Sample battery release latch
7 Gently pull the discharged battery pack out from the back
of the computer.