Dell Alienware 15 (Early 2015) - Manual (Page 28)

Procedure
1 Remove the keyboard-backlight cable, keyboard cable, and macro-keys
cable from the routing guides on the computer base.
1 macro-keys cable 2 keyboard cable
3 keyboard-backlight cable 4 routing guides (3)
5 hard-drive assembly 6 computer base
2 Remove the screws that secure the hard-drive assembly to the computer
base.
3 Using the pull tab, disconnect the hard-drive cable from the system board.
4 Note the hard-drive cable routing and remove the cable from the routing
guides on the computer base.
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