Processor Heatsink Assembly: Dell Precision M6400 Service Manualfile:///T|/htdocs/systems/wsm6400/en/sm/cpucool.htm[11/16/2012 10:27:12 AM]Back to Contents PageProcessor Heatsink AssemblyDell Precision™ M6400 Service ManualRemoving the Processor Heatsink AssemblyReplacing the Processor Heatsink AssemblyRemoving the Processor Heatsink AssemblyCAUTION: Before working inside your computer, read the safety information that shipped with yourcomputer. For additional safety best practices information, see the Regulatory Compliance Homepage onwww.dell.com at: www.dell.com/regulatory_compliance.1. Follow the instructions in Before Working on Your Computer.2. Remove the base assembly cover (see Removing the Base Assembly Cover).3. Remove the secondary hard drive (see Removing the Secondary Hard Drive (HDD2)).4. Remove the display assembly (see Removing the Edge-to-Edge Display or Removing the Display Assembly).5. Remove the LED cover (see Removing the LED Cover).6. Remove the keyboard (see Removing the Keyboard).7. Remove the palm rest (see Removing the Palm Rest Assembly).8. Remove the fan (see Removing the Fan).9. In sequential order, loosen the four captive screws that secure the processor heatsink assembly to the system board.10. Lift the processor heatsink assembly to remove it.1 processor heatsink assembly 2 captive screws (4)