Have you ever had your laptop suddenly start acting strangely for no obvious reason? If there are other people in your home, you might want to consider whether one of them could have spilled something on it and neglected to tell you.Although we would all like to believe that would never happen, it’s certainly possible. With the average cost of a laptop running anywhere from a few hundred to several thousand dollars, it’s not surprising that clumsy kids, roommates, or spouses might not be very forthcoming about…