Dell Precision R5400 Service Manual page 35

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Processors
Dell Precision™ R5400 Service Manual
Removing a Processor
Installing a Processor
CAUTION: Only trained service technicians are authorized to remove the computer cover and access any of the components inside the computer.
Before working inside the computer, read the safety information that shipped with the computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
Your computer can accommodate two processors. You can upgrade your processor(s) to take advantage of future options in speed and functionality. Each
processor and its associated internal cache memory are contained in a land grid array (LGA) package that is installed in a ZIF socket on the system board.
Removing a Processor
1. Prior to upgrading your computer, download the latest computer BIOS version on support.dell.com.
2. Perform the steps in Before Working on Your
NOTICE: When you remove the heat sink, the possibility exists that the processor might adhere to the heat sink and be removed from the socket. It is
recommended that you remove the heat sink while the processor is still warm.
NOTICE: Never remove the heat sink from a processor unless you intend to also remove the processor. The heat sink is necessary to maintain proper
thermal conditions.
1 heat sink 2
3 processor
3. Wait 30 seconds for the heat sink and thermal grease to cool enough to allow the heat sink to be loosened from the processor.
4. If the heat sink does not easily separate from the processor, carefully rotate the heat sink in a clockwise, then counterclockwise direction until it
releases from the processor. Do not pry the heat sink from the processor.
5. Lift the heat sink off of the processor and set the heat sink aside.
6. Press down and outward to disengage the socket-release lever, and rotate it 90 degrees upward until the processor is released from the socket.
7. Rotate the processor shield upward and out of the way.
Computer.
retention screws (4)