Dell XPS 14 (L401X, Late 2010) - Manual (Page 77)

Speakers 77
4 Replace the four screws (two on each speaker) that secure the speakers to
the base cover.
5 Follow the instructions from step 9 to step 11 in "Replacing the Top
Cover" on page 72.
6 Replace the display assembly (see "Replacing the Display Assembly" on
page 55).
7 Replace the keyboard (see "Replacing the Keyboard" on page 43).
8 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly"
on page 38).
9 Follow the instructions from step 5 to step 6 in "Replacing the Optical
Drive" on page 33.
10 Replace the hard drive (see "Replacing the Hard Drive" on page 28).
11 Replace the Mini-Card(s) (see "Replacing the Mini-Card(s)" on page 24).
12 Replace the memory module(s) (see "Replacing the Memory Module(s)"
on page 17).
13 Replace the battery (see "Replacing the Battery" on page 14).
CAUTION: Before turning on the computer, replace all screws and ensure that no
stray screws remain inside the computer. Failure to do so may result in damage to
the computer.