Removing the power cord from the motherboard. Most sites tell you to use
pliers to remove the power plug; it is in there pretty good. I personally pull on
the wires themselves, I risk yanking a wire out of the crimp in the socket, and
if I screw one up I am willing to repair it. Use your best judgment, the key is to
grab half of the wires and pull evenly on all of them at a 45 degree angle, to
raise one side of the plug first and then the other, it will not come out straight
up.