Alienware X51 R2/R3 CPU Replacement
rcschwartz709 and 2 other contributors
Last updated on Aug 1, 2024
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Community-Contributed Guide
An awesome member of our community made this guide. It was not created by iFixit staff.
Introduction
Go to step 1 ↓Before you start this project, you should take proper precautions. Before you start anything, you need to unplug the computer from the wall. Unplugging the computer is a must to avoid electrocution. It is recommended to take precautions against ESD by using an anti-static mat and a grounding cable. The only tool you will need for this fix is a screwdriver. You will also need a replacement CPU and thermal grease.
What you need
Parts
Tools
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The first step is to unscrew this screw. After that you want to slide the case cover off of the computer.
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After the Case is open, you want to disconnect the cable to the LED's on the system case.
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You will need to unscrew two screws from the fan cover. The screws are located in the red markers. Then you will gently lift the cover out of the case.
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Afterwards, you will need to unplug the fan from the motherboard at the blue marker.
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Using the screwdriver, unscrew the 4 screws securing the heat sink and fan to the motherboard. THE SCREWS DO NOT COME OUT ALL THE WAY.
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Afterward, lift the heat sink out of the case to reveal the processor.
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If there is already thermal paste on the heat sink and/or processor, clean it off using the ArctiClean.
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Carefully move the lever to release the processor bracket. Then, flip the bracket over, and CAREFULLY remove the processor BY THE EDGES.
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To reassemble your device, follow these instructions in reverse order with the new processor installed. Don't forget to apply thermal grease to the new CPU.
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