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Asus ROG G20CB Graphics Card Replacement

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The Asus ROG G20CB is a compact gaming desktop that uses custom cooling and a specialized case layout. Replacing the graphics card (GPU) can significantly boost performance, but due to the small form factor and custom internal design, it's slightly trickier than on a regular tower. This guide will walk you through the process carefully.

Check GPU size: The G20CB supports small dual-slot GPUs (generally under 10.5 inches / 266mm long). Only 6-pin or 8-pin PCIe connectors.

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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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    • Slide the front panel to the left and lift gently.

    • There is a cable connecting the panel to the computer. Handle it gently and avoid straining the connected panel.

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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.

    • The fans are connected by a thin cable, be gentle when removing tray.

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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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    • Remove the six 4.6 mm Phillips screws connecting the fans to the fan tray.

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    • Remove the three 4.6 mm Phillips screws from the graphics card housing.

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    • Pull the graphics card housing out of the case.

    • Be mindful of the 8-pin power cable connected to the graphics card.

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    • Push down the clip on the red cable connector and firmly pull the cable from the graphics card.

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    • Remove the 3.7 mm Phillips screw from the graphics card and its housing.

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    • Slide the graphics card out of the housing.

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    • Use one hand to bend up the PCIE riser clip, then with the other hand push it off the graphics card.

    • This riser will need to be used with the new graphics card in order to be installed in this system.

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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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