Asus ROG G20CB CPU Replacement

Remove each of the two 4.6 mm Phillips screws on the top and bottom of the tower.

Slide the front panel to the left and lift gently.

Disconnect the cable carefully by pulling gently on both sides of the connector.

Remove the five 4.6 mm Phillips screws holding down the fan tray and then pull the fan tray out of the system.

Carefully unplug the two fan cables from the motherboard by pulling straight up from the base of the connector.

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

Remove the 4.6 mm Phillips screw that secures the optical drive.

Push the optical drive out of the chassis.

Pull back the tape on the heat sink and use a long-neck Phillips screwdriver to remove the four screws securing the heat sink.

Remove the 4.6 mm Phillips screw from the heatsink at the top of the case.

Lift the CPU cooler out of the system.

Be sure to apply fresh thermal paste before reinstalling a cooler.

Locate the CPU socket retention arm next to the processor.

Push the arm down and out, then lift it upward to release the CPU cover.

Gently lift the CPU straight out of the socket.

Reassembly tip: When installing a new CPU make sure to align the gold triangle with the white circle on the motherboard.