Lenovo ThinkPad A21e English - A21e(2655) Service and Troubleshooting Guide - Page 39

Upgrading the hard disk drive, Turn off the computer, or enter hibernation mode.

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Replacing the battery Replacing the battery To replace the battery, do as follows: 1. Turn off the computer, or enter hibernation mode. Then disconnect the ac adapter and all cables from the computer. Note: If you are using a PC Card, the computer may 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. Slide the battery latch to the unlock position 1 ; then remove the battery 2. 4. Align the left side of the spare battery with the left side of the battery space in the computer 1 ; then gently push the battery into the space 2 . 5. Slide the battery latch to the locked position. 6. Turn the computer over again. Connect the ac adapter and the cables to the computer. Chapter 2. Solving computer problems 31

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Replacing the battery
To replace the battery, do as follows:
1.
Turn off the computer, or enter hibernation mode.
Then disconnect the ac
adapter and all cables from the computer.
Note:
If you are using a PC Card, the computer may 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.
Slide the battery latch to the unlock position
±1²
; then remove the battery
±2²
.
4.
Align the left side of the spare battery with the left side of the battery
space in the computer
±1²
; then gently push the battery into the space
±2²
.
5.
Slide the battery latch to the locked position.
6.
Turn the computer over again. Connect the ac adapter and the cables to
the computer.
Replacing the battery
Chapter 2. Solving computer problems
31