Toshiba F15 - Manual (Page 132)

132 Mobile Computing
Changing the main battery
5.375 x 8.375 ver 2.3
Sample inserting a new battery pack
If the battery does not slide into the slot easily, move the
battery release lock to the unlocked position and try again. Do
not force the battery into position.
2 Ensure the battery release latch clicks into place.
3 Slide the battery release lock to the locked position.
4 Turn the computer right side up.
5 Reconnect the cables and turn on the computer.
The battery pack has been designed so that you cannot install
it with reverse polarity.