Dell Inspiron M421R Owner's Manual

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Contents

Dell Inspiron M421R Owner's Manual Manual pdf 97 page image

Replacing the Processor | 9641 Replacing the ProcessorWARNING: Before working inside your computer, read the safety informationthat shipped with your computer and follow the steps in "Before You Begin" onpage 8. For additional safety best practices information, see the RegulatoryCompliance Homepage at dell.com/regulatory_compliance.ProcedureNOTE: If you install a new processor, a new thermal cooling assembly including anaffixed thermal pad or a new thermal pad along with documentation to illustrateproper installation is shipped.1 Align the pin-1 corner of the processor module with the pin-1 corner of the ZIFsocket, then insert the processor module.NOTE: The pin-1 corner of the processor module has a triangle that alignswith the triangle on the pin-1 corner of the ZIF socket.When the processor module is properly seated, all four corners are aligned at thesame height. If one or more corners of the module are higher than the others, themodule is not seated properly.CAUTION: To avoid damage to the processor, hold the screwdriverperpendicular to the processor when turning the cam screw.2 Tighten the ZIF socket by turning the cam screw clockwise to secure the processormodule to the system board.Postrequisites1 Replace the processor heat-sink assembly. See "Replacing the Processor Heat-Sink"on page 106.2 Follow the instructions from step 4 to step 7 in "Replacing the System Board" onpage 102.3 Replace the fan. See “Replacing the Fan” on page 64.4 Replace the speakers. See “Replacing the Speakers” on page 68.5 Follow the instructions from step 5 to step 8 in "Replacing the Hard Drive" onpage 38.6 Follow the instructions from step 4 to step 5 in "Replacing the Optical Drive" onpage 42.7 Replace the memory module(s). See "Replacing the Memory Module(s)" on page 32.8 Replace the palm rest. See "Replacing the Palm Rest" on page 48.9 Replace the keyboard. See "Replacing the Keyboard" on page 24.10 Replace the base cover. See "Replacing the Base Cover" on page 28.