Steps1. Ensure the battery cable has been connected to the system board.2. Place and snap the base cover into place on the palm-rest and keyboard assembly.3. Tighten the two captive screws on the base cover.4. Replace the seven screws (M2x7) that secure the base cover to the palm-rest and keyboard assembly.Next steps1. Follow the procedure in After working inside your computer.BatteryLithium-ion battery precautionsCAUTION:● Exercise caution when handling Lithium-ion batteries.● Discharge the battery completely before removing it. Disconnect the AC power adapter from the system andoperate the computer solely on battery power—the battery is fully discharged when the computer no longerturns 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.● Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidentalpuncture or damage to the battery and other system components.● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing,bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technicalsupport for assistance. See www.dell.com/contactdell.16 Removing and installing components