Installing power button board
1 Connect the power-button board cable and Display Built-in Self Test button cable to the power-button board.
2 Align the power-button board to the slot on the middle frame and place the power-button board on the middle frame.
3 Align the screw holes on power-button board shield to the screw holes on middle frame.
4 Replace the two screws (M2X3) that secures the power-button board shield to middle frame.
5 Route the power-button cable through the routing guides on the power-button board shield.
Media card reader
Removing media-card reader
1 Follow the procedure in Before working inside your computer.
2 Remove the:
a USB dongle-bay cover
b back cover
c stand
d inner frame
e speakers
3 Remove two screws (M2X3) that secure the media-card reader shield to the middle frame [1].
4 Lift the media-card reader shield o the middle frame [2].
5 Slide and lift the media-card o from the slot on the middle frame [3].
6 Disconnect the media-card reader cable from the media-card [4].
7 Disconnect the audio cable from the media-card [5].
Removing and installing components
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