Installing base cover1 Align the base cover with the screw holders on the computer.2 Press the edges of the cover until it clicks into place.3 Tighten the M2.5xL8.5 screws to secure the base cover to the computer.4 Install the:• Installing the SIM tray (WWAN models)5 Follow the procedure in After working inside your computerBatteryRemoving battery1 Follow the procedure in Before working inside your computer.2 Remove the:a Removing the SIM tray (WWAN models)b base cover3 To remove the battery:a Disconnect the battery cable from the connector on the system board [1].b Remove the M2.0x3.0 screws that secure the battery to the computer [2].c Lift the battery away from the computer [3].12 Removing and installing components
