I had few changes been made on the laptop (well it was suggested to me that changes should be made) due to downloading and installing Skype, iLivid and updating Windows Live and GOM Player. A few days after, when i started the laptop, it says to run startup repair. So i did. And it worked fine. But then this whole thing happened again and again and when i tried to do the same, the screen just went black. I tried both startup repair and start windows normally but both did not work. It also says n top something like ....'windows could not detect the problem' if i'm not mistaken. Need help please. There are lots of important files inside needed to be used asap.