Battery; Lithium-Ion Battery Precautions - Dell Latitude 3440 Service Manual

Steps
1. Place the base cover on top of the chassis.
2. Align the screw holes on the base cover with the screw holes on the palm-rest and keyboard assembly, and snap the base
cover latches into place.
3. Tighten the nine captive screws to secure the base cover to the chassis.
Next steps
1. Follow the procedure in

Battery

Lithium-ion battery precautions

CAUTION:
● Exercise caution when handling Lithium-ion batteries.
● Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and
operate the computer solely on battery power—the battery is fully discharged when the computer no longer
turns on when the power button is pressed.
● Do not crush, drop, mutilate, or penetrate the battery with foreign objects.
After working inside your computer.
Removing and installing components 17