1. Follow the procedure in Before working inside your computer.NOTE: Ensure that your computer is in Service Mode. For more information see, step 6 in Before working inside yourcomputer.2. Remove the SIM card tray if applicable.3. Remove the base cover.4. Remove the solid-state drive.5. Remove the WWAN card if applicable.6. Remove the right fan.7. Remove the left fan.8. Remove the display assembly.9. Remove the heat sink.10. Remove the battery.11. Remove the system board.About this taskThe following images indicate the location of the power-button and provide a visual representation of the removal procedure.Steps1. Remove the (M1.6x2) screw that secures the power button bracket in place.2. Lift the power button bracket off the system.3. For models shipped with a fingerprint reader, disconnect the power button FPC cable from the connector on the USH I/Oboard. For models shipped without a fingerprint reader, disconnect the power button FPC cable from the connector on thesystem board.NOTE: Power button with fingerprint reader connects to the USH board and USH board FPC connects to the systemboard. Power button without fingerprint reader connects directly to system board as it shares the same connector asthe USH FPC board connector on the system board.4. Peel off the power button FPC from the palm-rest assembly and lift the power button off the system.Removing and installing components 49