User manual Dell Laptop N5020

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Processor Heat Sink  
ꢀꢀRemoving the Processor Heat Sink  
ꢀꢀReplacing the Processor Heat Sink  
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  
WARNING: If you remove the processor heat sink from the computer when the heat sink is hot, do not touch the metal housing of the processor  
heat sink.  
CAUTION: Onlyꢀaꢀcertifiedꢀserviceꢀtechnicianꢀshouldꢀperformꢀrepairsꢀonꢀyourꢀcomputer.ꢀDamageꢀdueꢀtoꢀservicingꢀthatꢀisꢀnotꢀauthorizedꢀbyꢀDell™ꢀ  
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  
Removing the Processor Heat Sink  
Follow the instructions in Before You Begin.  
Remove the battery (see Removing the Battery).  
Remove the keyboard (see Removing the Keyboard).  
Remove the palm rest (see Removing the Palm Rest).  
Remove the adhesive tape that secures the display cable to the processor heat sink.  
NOTE: Make a note of the cable routing before disconnecting the cables.  
Disconnect the fan cable and the display cable from their connectors on the system board.  
processor heat sink  
fan cable connector  
display cable connector  
In sequential order (indicated on the processor heat sink), loosen the four captive screws that secure the processor heat sink to the system board.  
NOTE: The appearance and number of screws on the processor heat sink may vary based on the your computer model.  
Lift the processor heat sink off the system board.  

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