Dell Alienware M14x R2 (Early 2012) - Manual (Page 76)

Procedure
1 Remove the screws that secure the mini-card board to the computer base.
2 Lift the mini-card board to disconnect the connector on the
mini-card board from the connector on the system board.
1
2
1 screws (3) 2 Mini-Card board
Replacing the Mini-Card Board
Procedure
1 Align the connector on the mini-card board with the connector on the
system board and press gently.
2 Replace the three screws that secure the mini-card board to the computer
base.
Mini-Card Board 78