Removing the touch pad......................................................... 38Prerequisites.....................................................................................................38Procedure........................................................................................................ 39Replacing the touch pad..........................................................42Procedure........................................................................................................ 42Post-requisites................................................................................................. 42Removing the power-button board...................................... 43Prerequisites.....................................................................................................43Procedure........................................................................................................ 44Replacing the power-button board...................................... 46Procedure........................................................................................................ 46Post-requisites.................................................................................................46Removing the speakers............................................................ 47Prerequisites.....................................................................................................47Procedure.........................................................................................................47Replacing the speakers............................................................ 50Procedure........................................................................................................ 50Post-requisites.................................................................................................50Removing the I/O board...........................................................51Prerequisites..................................................................................................... 51Procedure......................................................................................................... 51Replacing the I/O board...........................................................53Procedure.........................................................................................................53Post-requisites................................................................................................. 535