[header] How to remove an atx motherboard [title] Begin by shutting down your computer and removing all cables from the case. [title] Make sure you are in a static-free environment, with rubber-soled shoes on. [step] It is good practice to have an anti-static wrist-wrap attached and clipped on to something metal. 
It is also frequently suggested to touch things metal, other than your computer, while working with sensitive computer parts. [title] Remove all screws holding the outer shell of your desktop or tower and slide off the metal casing.