Replacing the batteryNOTE: Before working inside your computer, read the safety information that shipped with your computer and followthe steps in Before working inside your computer. After working inside your computer, follow the instructions in Afterworking inside your computer. For more safety best practices, see the Regulatory Compliance home page atwww.dell.com/regulatory_compliance.Lithium-ion battery precautionsCAUTION:• Exercise caution when handling Lithium-ion batteries.• Discharge the battery as much as possible before removing it from the system. This can be done by disconnectingthe AC adapter from the system to allow the battery to drain.• 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.• If a battery gets stuck in a device as a result of swelling, do not try to free it as puncturing, bending, or crushing aLithium-ion battery can be dangerous. In such an instance, the entire system should be replaced. Contact https://www.dell.com/support for assistance and further instructions.• Always purchase genuine batteries from https://www.dell.com or authorized Dell partners and re-sellers.Procedure1. Align the screw holes on the battery with the screw holes on the palm-rest assembly.2. Replace the four screws (M2x3) that secure the battery to the palm-rest assembly.3. Replace the screw (M1.6x4) that secures the battery to the palm-rest assembly.Post-requisitesReplace the base cover.616 Replacing the battery