If you can use it, nothing is wrong with it!If it doesn't work.. well, I have no idea, perhaps you could open up the bottom of it (normally indicated by three circles on top of each other) and check for knocks and bumps?EDIT: Laptops are usually pretty sturdy and it'll probably take more than your shin to take it out. My old one was dropped from my arms onto tiles and concrete, sat on my my large dog, smashed against the side of a desk.. it lost it's "life" to water. It wasn't a particularily tough notebook, just a normal one that came out about '06-'07...