3 Lift the base cover from the computer.Installing base cover1 Align the base cover tabs to the slots on the edges of the computer.2 Press the edges of the cover until it clicks into place.3 Tighten the M2.5 x 6.0 captive screws to secure the base cover to the computer.Remember: Exercise caution when tightening the screws. Angle the screw driver to match the head of the screw toavoid a possible stripped screw head.4 Follow the procedure in After working inside your computer.BatteryRemoving 3-cell battery1 Follow the procedure in Before working inside your computer.2 Remove the base cover.3 To remove the battery:a Disconnect the battery cable from the connector on the system board [1].b Remove the M2.0 x 5.0 screw that secures the battery to the computer [2].c Lift the battery from the computer [3].10 Removing and installing components