I need help! I was using the internet to look at some photos from a golf tournament and then my computer froze, so I rebooted. The problem is when I rebooted I had a disc in the drive. When the computer tried to load up I got a blank screen with the following statement "no operating system found" After I researched, I found out how to hit the "esc" button and put all levels to default (bios) Now when I turn on my computer I no longer get the "no operating system found" I just get a blank screen with blinking underscore. when I hit a button it beeps. What should I do. I did not have any problems prior to this. I am not a computer pro nor do I understand all computer language, please respond in very basic terms. Thanks