Dell XPS 15 (L501X, Late 2010) - Manual (Page 101)

Processor Module 101
CAUTION: When removing the processor module, pull the module straight up. Be
careful not to bend the pins on the processor module.
11 Lift the processor module off the ZIF socket.
Replacing the Processor Module
NOTE: If the new processor module is installed, you will receive a new thermal
cooling assembly, which will include an affixed thermal pad, or you will receive a
new thermal pad along with documentation to illustrate proper installation.
1 Follow the instructions in "Before You Begin" on page 9.
2 Align the pin-1 corner of the processor module with the pin-1 corner of the
ZIF socket.
NOTE: The pin-1 corner of the processor module has a triangle that aligns with the
triangle on the pin-1 corner of the ZIF socket.
3 Place the processor module lightly in the ZIF socket and ensure that the
processor module is positioned correctly.
CAUTION: To avoid damage to the processor module, hold the screw driver
perpendicular to the processor module when turning the cam screw.
4 Tighten the ZIF socket by turning the cam screw clockwise to secure the
processor module to the system board.
5 Replace the heat sink (see "Replacing the Heat Sink" on page 96).
6 Follow the instructions from step 9 to step 12 in "Replacing the Top
Cover" on page 69.
7 Replace the display assembly (see "Replacing the Display Assembly" on
page 52).
8 Replace the keyboard (see "Replacing the Keyboard" on page 46).
9 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly"
on page 32).
10 Replace the memory module(s) (see "Replacing the Memory Module(s)"
on page 18).
11 Replace the module cover (see "Replacing the Module Cover" on page 16).
12 Replace the battery (see "Replacing the Battery" on page 14).