PC #1 video card doesnt work, so i put in a newer one, it wont work. But Video card #2 works fine on PC #2 , but not on PC #1 or #3
Video card #3 Works fine on PC #2, but again not on PC #1 or #3
so PC #1 and #3 motherboards have power, everything looks fine, its just video cards wont light up...