He plugged SOMEthing in wrong, because now I have no sound; and I have no idea which wire is in the wrong spot.Now what do I do?
You trace the wire going from your speakers to your computer; it should be plugged into a hole marked with the colour green on your computer. If it isn't then move it and make your computer make some sound and see if it worked.
Now what do I do?



but that spoils the look of the antique furniture. My solution: let your S.O. tidy up the laundry (or at least open the drawer for you)
At least they caught the charges before they went through, though.