25 Replacing the touchpad............................................................................................................................. 44Procedure..........................................................................................................................................................................44Post-requisites..................................................................................................................................................................4526 Removing the speakers..............................................................................................................................46Prerequisites..................................................................................................................................................................... 46Procedure..........................................................................................................................................................................4627 Replacing the speakers.............................................................................................................................. 47Procedure..........................................................................................................................................................................47Post-requisites..................................................................................................................................................................4728 Removing the heat sink..............................................................................................................................48Prerequisites..................................................................................................................................................................... 48Procedure..........................................................................................................................................................................4829 Replacing the heat sink..............................................................................................................................49Procedure..........................................................................................................................................................................49Post-requisites..................................................................................................................................................................4930 Removing the display assembly................................................................................................................. 50Prerequisites..................................................................................................................................................................... 50Procedure......................................................................................................................................................................... 5031 Replacing the display assembly.................................................................................................................. 52Procedure..........................................................................................................................................................................52Post-requisites..................................................................................................................................................................5332 Removing the power button with fingerprint reader.................................................................................. 54Prerequisites..................................................................................................................................................................... 54Procedure..........................................................................................................................................................................5433 Replacing the power button with fingerprint reader...................................................................................55Procedure......................................................................................................................................................................... 55Post-requisites................................................................................................................................................................. 5534 Removing the power-adapter port............................................................................................................. 56Prerequisites..................................................................................................................................................................... 56Procedure......................................................................................................................................................................... 5635 Replacing the power-adapter port............................................................................................................. 57Procedure..........................................................................................................................................................................57Post-requisites..................................................................................................................................................................5736 Removing the system board...................................................................................................................... 58Prerequisites..................................................................................................................................................................... 58Procedure......................................................................................................................................................................... 58Contents 5