Battery; Lithium-Ion Battery Precautions - Dell Precision 3470 Service Manual

Steps
1. Align the notch on the memory module with the tab on the memory-module slot.
2. . Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place.
NOTE: If you do not hear the click, remove the memory module and reinstall it.
NOTE: Repeat step 1 to step 4 to install any other memory modules in your computer.
Next steps
1. Install the microSD card.
2. Install the base cover.
3. 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.
● Do not expose the battery to high temperatures, or disassemble battery packs and cells.
● Do not apply pressure to the surface of the battery.
● Do not bend the battery.
● Do not use tools of any kind to pry on or against the battery.
After working inside your computer.
Removing and installing components 27