Lenovo System x3750 M4 Installation And Service Manual page 299

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Gently lift the heat sink from the microprocessor.

After removal, place the heat sink on its side on a clean, flat surface.Attention: Do not use any

tools or sharp objects to lift the release levers on the microprocessor socket. Doing so might result

in permanent damage to the system board.

Step 10. Open the microprocessor socket release levers and retainer.

Locate the two release levers on the microprocessor socket.

Press the first release lever (on the right) down and inward toward the socket and lift it up to

the fully open position; then, press the second release lever on the (left) down and inward

toward the socket and lift it up to the fully open position.

Open the microprocessor retainer by lifting up on the microprocessor retainer tab.

Attention: Do not touch the contacts on the microprocessor and the microprocessor socket.

Open the microprocessor socket release levers and retainer in the order that is shown.

Microprocessor

Step 11. Locate the microprocessor installation tools that come with the new microprocessor kit.

Note: The microprocessor FRU comes with two microprocessor installation tools: one tool is

empty and one tool comes with a microprocessor and a cover on the bottom of the tool. Use the

empty tool to remove the failed microprocessor.

Step 12. Remove the microprocessor from the socket.

Removing and replacing components

Troubleshooting