Dell Alienware 17 R2 Service Manual page 37

3 Lift the computer base slightly and push the palm-rest assembly through
the slot on the computer base to release the tabs on the palm-rest
assembly.
1 slot
4 Turn the computer over and open the display as far as possible.
5 Using a plastic scribe, pry up along the edges of the palm-rest assembly.
2 palm-rest assembly
37