• Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture ordamage to the battery and other system components.• 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 resellers.Removing the 3-cell batteryNOTE: The battery type in your computer varies depending on the configuration ordered.1. Follow the procedure in Before working inside your computer.2. Remove the base cover.The figure indicates the location of the battery and provides a visual representation of the removal procedure.1. Disconnect the battery cable from the system board.2. Remove the four screws (M2x4) that secure the battery to the palm-rest and keyboard assembly.3. Lift the battery off the palm-rest and keyboard assembly.Installing the 3-cell batteryIf you are replacing a component, remove the existing component before performing the installation procedure.The figure indicates the location of the battery and provides a visual representation of the installation procedure.Removing and installing components 13