Since it asks for where in "plug ins" to place them I "browsed" to Mozilla plug ins, it didn't work. I give up.
As far as the problem is concerned, your son is correct, it IS in the motherboard. I haven't shut down my computer for a few days now since it functions fine when it finally does start. $300 in parts will do the trick, so, let's see...which bills will I not pay on tome so that I can get those parts.....?