Dell Alienware m15 Service Manual page 29

3 Replace the four screws (M3x3) that secure the hard-drive bracket to the hard drive.
4 Align the screw holes on the hard-drive assembly with the screw holes on the palm-rest assembly.
5 Replace the four screws (M2x5) that secure the hard-drive assembly to the palm-rest assembly.
6 Connect the hard-drive cable to the system board.
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