Dell XPS 15 (L502X, Early 2011) - Manual (Page 69)

Top Cover 69
Replacing the Top Cover
1 Follow the instructions in "Before You Begin" on page 9.
2 Replace the speakers (see "Replacing the Speakers" on page 106).
3 Replace the TV tuner connector (see "Replacing the TV Tuner Connector"
on page 88).
4 Replace the USB board (see "Replacing the USB Board" on page 84).
5 Replace the AC-adapter connector (see "Replacing the AC-Adapter
Connector" on page 80).
6 Replace the system board (see "Replacing the System Board" on page 101).
7 Replace the heat sink (see "Replacing the Heat Sink" on page 92).
8 Align the tabs on the top cover with the slots on the base cover and snap
the top-cover assembly onto the base cover.
9 Replace the 17 screws that secure the top-cover assembly to the base cover.
10 Turn the computer over and replace the nine screws that secure the
top-cover assembly to the base cover.
11 Connect the fan cable and subwoofer cable to the connectors on the
system board.
12 Replace the display assembly (see "Replacing the Display Assembly" on
page 52).
13 Replace the keyboard (see "Replacing the Keyboard" on page 45).
14 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly"
on page 32).
15 Replace the memory module(s) (see "Replacing the Memory Module(s)"
on page 18).
16 Replace the module cover (see "Replacing the Module Cover" on page 16).
17 Replace any blank or card you removed from the Media Card Reader.
18 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.