94 | Removing the Processor Heat-SinkRemoving the Processor Heat-SinkWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps in"Before You Begin" on page 11. For additional safety best practicesinformation, see the Regulatory Compliance Homepage atdell.com/regulatory_compliance.Prerequisites1 Remove any installed card or blank from the Media-Card Reader.2 Remove the base cover. See "Removing the Base Cover" on page 14.3 Remove the fans cover. See "Removing the Fans Cover" on page 29.4 Remove the battery pack. See "Removing the Battery Pack" on page 16.5 Remove the hard drive(s). See “Removing the Hard Drive(s)” on page 25.6 Remove the optical drive. See "Removing the Optical Drive" on page 22.7 Follow the instructions from step 1 to step 6 in Removing the Palm Rest.8 Remove the display assembly. See "Removing the Display Assembly" on page 56.Procedure1 In sequential order (indicated on the processor heat-sink), loosen the captive screwsthat secure the processor heat-sink to the system board.2 Carefully lift the processor heat-sink out of the computer base.1 captive screws (4) 2 processor heat-sink12