When you connect the computer to an electrical outlet or install a battery while the computer is connected to an electrical outlet, the computer checks the battery charge and temperature. If necessary, the AC adapter then charges the battery and maintains the battery charge.
If the battery is hot from being used in your computer or being in a hot environment, the battery may not charge when you connect the computer to an electrical outlet until the battery is allowed to cool.
For more information on resolving problems with a battery, see "Power Problems."
Removing a Battery
For more information about removing the second battery, see "Using the Module Bay."
CAUTION: Before performing these procedures, turn off the computer, disconnect it from the electrical outlet, and disconnect the modem from the telephone wall jack.
CAUTION: Before performing any of the following procedures computer, read and follow the safety instructions in your Product Information Guide.
NOTICE: If you choose to replace the battery with the computer in standby mode, you have up to 90 seconds to complete the battery replacement before the computer shuts down and loses any unsaved data.
1.Ensure that the computer is turned off, disconnected from an electrical outlet, and disconnected from the telephone wall jack.
2.If the computer is connected to a docking device (docked), undock it. See the documentation that came with your docking device for instructions.
3.Slide and hold the
Removing and Installing a Reserve Battery
CAUTION: Before performing any of the following procedures computer, read and follow the safety instructions in your Product Information Guide.
1.Remove the battery.
2.Remove the reserve battery cover.
