I recently put a pci card into my Medion desktop to enable it to pick up wireless. It's the first time I've opened it up and the card went in fine.
Everything was working before hand, but now as soon as I plug the computer in and turn the power on, the fuse blows and it trips the circuit in the house.
This is probably unimportant, but to take the cover off, I undid two screws, both with identical heads, but different lengths. I didn't take note of which of the screws went in the top and bottom screws, so now I have the shorter one in the top and the longer one in the bottom.
Could anybody shed any light on what is going on and how I can fix it.