And it will not hurt your laptop. Although I would never know if it hurt mine, since I am such a computer illiterate.
One suggestion, if you will.... Put some type of identifying mark on your laptop both top and bottom, ie, a sticker, highly recognizable business card, etc. People have similar laptops and tend to grab the first gray box and walk away. If this happens to you and you have a password protected laptop, you will NEVER see it again. ORD disposes of at least 20 a month.