We work on Microsoft Windows computers but, if you have a Mac, still send us a shout. We'll try to help. Well, hope you choose us for computer help. We'll do what we can. Who will we help again? Any person that chooses us for computer help. REMEMBER We need specific details on your problem, [E.X. My screen goes blue/closes when I open things] <that is not specific we don't know what your talking about, you could mean applications close and the screen goes blue or it could mean the computer screen turns blue or closes.