Dell XPS 15 (L502X, Early 2011) - Manual (Page 92)

92 Heat Sink
9 In sequential order (indicated on the heat sink), loosen the seven captive
screws that secure the heat sink to the system board.
10 Carefully lift heat sink away from the top cover.
Replacing the Heat Sink
NOTE: The original thermal grease can be reused if the original processor and heat
sink are reinstalled together. If either the processor or the heat sink is replaced, use
the thermal pad provided in the kit to ensure that thermal conductivity is achieved.
1 Follow the instructions in "Before You Begin" on page 9.
2 Clean the thermal grease from the bottom of the heat sink and reapply it.
3 Align the seven captive screws on the heat sink with the screw holes on the
system board and tighten the screws in sequential order (indicated on the
heat sink).
4 Follow the instructions from step 8 to step 11 in "Replacing the Top
Cover" on page 69.
1 heat sink 2 captive screws (7)
1
2