Dell Alienware M14x R2 Owner's Manual page 57

Postrequisites
1 Replace the palm-rest assembly.
See "Replacing the Palm-Rest Assembly" on page 44.
2 Replace the keyboard. See "Replacing the Keyboard" on page 39.
3 Replace the center-control cover.
See "Replacing the Center-Control Cover" on page 35.
4 Replace the battery. See "Replacing the Battery" on page 18.
5 Replace the base cover. See "Replacing the Base Cover" on page 16.
6 Follow the instructions in "After Working Inside Your Computer" on page13.
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Speakers