Introduction
The Asus ROG G20CB is a powerful compact gaming desktop, but upgrading or replacing its CPU can breathe new life into the system. This guide covers safely removing the old CPU and installing a new one. It requires careful handling to avoid damaging delicate components.
What you need
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Remove each of the two 4.6 mm Phillips screws on the top and bottom of the tower.
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Disconnect the cable carefully by pulling gently on both sides of the connector.
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Remove the five 4.6 mm Phillips screws holding down the fan tray and then pull the fan tray out of the system.
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Carefully unplug the two fan cables from the motherboard by pulling straight up from the base of the connector.
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Pull back the tape on the heat sink and use a long-neck Phillips screwdriver to remove the four screws securing the heat sink.
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Remove the 4.6 mm Phillips screw from the heatsink at the top of the case.
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Lift the CPU cooler out of the system.
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Be sure to apply fresh thermal paste before reinstalling a cooler.
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Locate the CPU socket retention arm next to the processor.
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Push the arm down and out, then lift it upward to release the CPU cover.
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Reassembly tip: When installing a new CPU make sure to align the gold triangle with the white circle on the motherboard.
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To reassemble your device, follow the above steps in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.
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Team
UMass Dartmouth, Team 3-3, Botvin Spring 2025 Member of UMass Dartmouth, Team 3-3, Botvin Spring 2025
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