228 Adding and Replacing PartsReplacing the Processor ModuleNOTICE: Ensure that the cam lock is in the fully open position before seating theprocessor module. Seating the processor module properly in the ZIF socket doesnot require force.NOTICE: A processor module that is not properly seated can result in anintermittent connection or permanent damage to the processor and ZIF socket.1 Align the pin-1 corner of the processor module with the pin-1 corner of theZIF socket, and insert the processor module.NOTE: The pin-1 corner of the processor module has a triangle that aligns with thetriangle on the pin-1 corner of the ZIF socket.NOTICE: You must position the processor module correctly in the ZIF socket toavoid permanent damage to the module and the socket.When the processor module is correctly seated, all four corners are alignedat the same height. If one or more corners of the module are higher thanthe others, the module is not seated correctly.2 Tighten the ZIF socket by turning the cam screw clockwise to secure theprocessor module to the system board.NOTE: When you replace the processor thermal-cooling assembly, be sure toplace a new thermal pad on the part of the thermal-cooling assembly that coversthe processor.3 Replace the processor thermal-cooling assembly (see "Replacing theProcessor Thermal-Cooling Assembly" on page 225).4 Perform the steps in "Removing the Processor Module" on page 226 inreverse order, beginning with step 5.Video Card/Thermal-Cooling AssemblyCAUTION: Only trained service technicians are authorized toremove orreplacethe component covered by the following procedure. See yourProduct InformationGuide for complete information about safety precautions, working inside thecomputer, and protecting against electrostatic discharge.Removing the Video Card/Thermal-Cooling AssemblyCAUTION: Before you begin the following procedure, follow the safetyinstructions in theProduct Information Guide.
