User guide

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Appendix A. CRU instructions
Replacing the battery pack - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
To replace the battery pack, do the following:
1 Turn off the computer. Disconnect the AC power adapter and all cables
from the computer.
2 Close the computer display and turn the computer over.
3 Unlock the manual battery pack latch . Slide the spring-loaded latch to
the unlocked position to eject the battery pack . Lift up the inner edge
of the battery pack, pivoting it on the outer edge . Gently raise the
battery pack in the indicated direction to remove it.
4 Install a fully charged battery pack.
5 Slide the manual battery pack latch to the locked position.
6 Turn the computer over again.
7 Connect the AC power adapter and the cables to the computer.
Notes:
• The illustrations used in this appendix are for the Lenovo Z50-70, unless otherwise stated.
• The following steps about upgrading and replacing devices are the same for the Lenovo G40-30/
G40-45/G40-70/G40-70m/G50-30/G50-45/G50-70/G50-70m/Z40-70/Z50-70.
• Make sure the battery pack has been removed before replacing any devices.
Note: Use only the battery pack provided by Lenovo. Any other battery pack could ignite or
explode.
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