I bought a Emachines T3516A two years ago for my kids to use as a gaming computer. Three weeks ago it took about two hours to boot up. I thought that it had picked up a virus since the kids do online gaming. I ran all the virus scans and decided to do a system recovery since the kids only have two games installed. I rebooted and pressed F11 just like the instructions say to. I also tried rebooting with the Operating system disc in the drive. The computer gives me the error that the disc is not an operating disc or there is a disc error. If I start it without the disc I get the PC Angel System recovery page. I have now had that page up for two weeks with no change. Help! Does anybody have any suggestions on what to try next.