ATX Main board
1.4.3Uninstalling the CPU Heatsink and Fan
1.Disconnect the CPU fan cable from the connector on the motherboard.
2.Rotate each fastener counterclockwise.
3.Pull up two fasteners at a time in a diagonal sequence to disengage the heatsink and fan assembly from the motherboard
4.Carefully remove the heatsink and fan assembly from the motherboard.
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