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Heat Sink
Dell™XPS™L502XServiceManual
Removing the Heat Sink
Replacing the Heat Sink
Removing the Heat Sink
1. Follow the instructions in Before You Begin.
2. Remove the battery (see Removing the Battery).
3. Remove the module cover (see Removing the Module Cover).
4. Remove the memory module(s) (see Removing the Memory Module(s)).
5. Remove the palm-rest assembly (see Removing the Palm-Rest Assembly).
6. Remove the keyboard (see Removing the Keyboard).
7. Remove the display assembly (see Removing the Display Assembly).
8. Follow the instructions from step 9 to step 14 in Removing the Top Cover.
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
1. Follow the instructions in Before You Begin.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
WARNING: If you remove the heat sink from the computer when the heat sink is hot, do not touch the metal housing of the heat sink.
CAUTION: Onlyacertifiedservicetechnicianshouldperformrepairsonyourcomputer.DamageduetoservicingthatisnotauthorizedbyDell™
is not covered by your warranty.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface (such as a connector on your computer).
CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the
computer.
1
heat sink
2
captive screws (7)
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.