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Chapter 6. Upgrading and replacing devices
Replacing the battery - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
To replace the battery
1
Turn off the computer, or enter hibernation mode. Disconnect the AC adapter and all cables
from the computer.
2
Close the computer display, and turn the computer over.
3
Unlock the manual battery latch . Hold the spring-loaded battery latch in the unlocked
position , remove the battery pack in the direction shown by the arrow .
4
Install a fully charged battery.
5
Slide the manual battery latch to the locked position.
6
Turn the computer over again. Connect the AC adapter and the cables to the computer again.
Notes:
• The illustrations used in this chapter are of the Lenovo G550, unless otherwise stated.
• The following steps about upgrading and replacing devices are the same for the G450 and G550.
Note: Use only the battery provided by Lenovo. Any other battery could ignite or explode.
Note: If you are using an ExpressCard device, the computer might not be able to enter hibernation mode. If
this happens, turn off the computer.
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