NOTICE: If you choose to replace the battery with the computer in standby
mode, you have up to 1 minute to complete the battery replacement before the
computer shuts down and loses any unsaved data.
Ensure that the computer is turned off, suspended in a power
management mode, or connected to an electrical outlet.
If the computer is docked, undock it.
Slide the battery lock latch on the bottom of the computer to the
unlock position.
Slide and hold the battery latch release on the bottom of the
computer, and then remove the battery from the bay.