Installing and removing sled components 77• Installingan additional processor.• Replacingaprocessor.RemovingaheatsinkPrerequisitesCAUTION:Manyrepairsmayonlybedonebyacertifiedservicetechnician.Youshouldonlyperformtroubleshootingandsimplerepairs as authorized in your product documentation, or as directed by the online or telephone service and support team.Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthatareshippedwithyourproduct.CAUTION: Never removethe heat sink from a processor unless you intend to remove the processor. The heat sink is necessaryto maintain proper thermal conditions.NOTE: This is a Field Replaceable Unit (FRU). Removal and installation procedures should beperformed only by Dell certifiedservice technicians.NOTE: To ensure proper system cooling, you must install a processor blank in any empty processor socket.Followthe safety guidelines listed inthe Safety instructions section.Followtheprocedurelistedinthe Before workinginside yoursystem section.Remove the coolingshroud.Keep the Phillips #2 screwdriver ready.WARNING: The heat sink will be hot to touch for some time after the system has been powered down. Allow the heat sink tocool before removingit.Steps1 Toremovea 120 W heat sink, perform the following steps.a Loosen one of the screws that secure the heat sink to the system board.Wait 30 seconds for the heat sink to loosen from the processor.b Remove the screwdiagonallyopposite the screwyoufirst removed.c Repeat the procedure for the remaining two screws.Figure 26. Removing the 120 W heat sink1 captive screw (4) 2 heat sink1234
