Chapter 6. Upgrading and replacing devices
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.
Replacing the battery
Note: Use only the battery provided by Lenovo. Any other battery could ignite or explode.
To replace the battery
1
Turn off the computer, or enter hibernation mode. Disconnect the AC adapter and all cables
from the computer.
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.
2
Close the computer display, and turn the computer over.
3
Unlock the manual battery latch
b
position
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.
30
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
, remove the battery pack in the direction shown by the arrow
a
1
1
a
. Hold the spring-loaded battery latch in the unlocked
c
c
2
b
.