I bought my Presario Compaq three years ago and, ASAP, upgraded it from Vista to Windows 7. All has been reasonably well until today when I get a message to say that my Windows 7 is not genuine. I followed the guide and entered the correct codes details and was told that it is genuine after all. However, amongst other things (probably), suddenly my screen display background has turned black and the Options for personalising have virtually gone out of action, being greyed out. What have I done or failed to do?
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