Recently the fan on my computer won't stop running unless I turn my computer off, shutting everything down. This was one reason I called and had the warranty people out here. They fixed (Replaced) other things and just cleaned the fan. Told me that running just means it's doing it's job. It didn't used to do this, however I have recently connected with DSL. Could this be the reason? Really confused here. The machine does not seem to be heating up. Any suggestions or answers would be greatlyappreciated.