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Mobile Computing
Changing the main battery
Never short circuit the battery pack by either accidentally or
intentionally bringing the battery terminals in contact with another
conductive object. This could cause serious injury or fire, and could
also damage the battery pack and computer.
❖ Never expose a battery pack to abnormal shock, vibration or
pressure. The battery pack's internal protective device could
fail, causing it to overheat or ignite, resulting in caustic liquid
leakage, or explosion or fire, possibly resulting in death or
serious injury.
TECHNICAL NOTE: To avoid losing any data, save your files and
then either completely shut down your computer or put it into
Hibernation mode before changing the main battery.
Removing the battery from the computer
To remove the battery:
1 Save your work.
2 Turn off the computer. see “To Shut down your computer” on
page 41.
3 Unplug and remove any cables connected to the computer,
including the AC adaptor.
4 Close the display panel and turn the computer upside down.
5 Slide the battery release lock to the unlocked position.
(Sample Illustration) R940—Unlocking the battery release lock