Dell XPS 15Z (L511Z, Mid 2011) - Manual (Page 58)

58 Heat Sink
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 Replace the fan (see "Replacing the Fan" on page 56).
5 Replace the battery (see "Replacing the Battery" on page 18).
6 Replace the base cover (see "Replacing the Base Cover" on page 15).
1 heat sink 2 captive screws (7)
3 palm-rest assembly
1
2
3
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