ContentsBefore Working Inside Your Computer.................................... 9Before You Begin .............................................................................................. 9Safety Instructions............................................................................................. 9Recommended Tools...................................................................................... 10After Working Inside Your Computer...................................... 11Removing the Battery.................................................................. 12Procedure......................................................................................................... 12Replacing the Battery.................................................................. 13Procedure......................................................................................................... 13Removing the Base Cover.......................................................... 14Prerequisites.....................................................................................................14Procedure.........................................................................................................14Replacing the Base Cover...........................................................16Procedure.........................................................................................................16Post-requisites................................................................................................. 16Removing the Optical-Drive Filler............................................17Prerequisites..................................................................................................... 17Procedure......................................................................................................... 17Replacing the Optical-Drive Filler............................................18Procedure.........................................................................................................18Post-requisites................................................................................................. 18