Flip your PC or laptop over. Or get a REALLY BIG Magnet to get it to reverse polarity! ;)
PS: For GOD'S SAKE don't do any of the things I just said. The magnet will ruin your data forever.
But joke I must and this joke shall stand ;)
LOL!
Many years ago, I did that to my husbands main frame,
ONCE!
Welcome home.