Dell XPS 15 (L501X, Late 2010) - Manual (Page 81)

Internal Card With Bluetooth Wireless Technology 81
5 Replace the display assembly (see "Replacing the Display Assembly" on
page 52).
6 Replace the keyboard (see "Replacing the Keyboard" on page 46).
7 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly"
on page 32).
8 Replace the memory module(s) (see "Replacing the Memory Module(s)"
on page 18).
9 Replace the module cover (see "Replacing the Module Cover" on page 16).
10 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.