Are you seeing a blue screen on your computer? If it is, then your desktop is showing you signals for repair. For that you will need to speak to a technician who can assist you on how to fix blue screen. If you look around you will find so many technical support service providers. All you have to do is report them about the problem and if they can deal with it you will be informed. Although these technicians are trained to troubleshoot all sorts of technical problem, there could be some situations when your computer needs replacement and not repair.