I was previously using windows xp and just to try out apple’s product made an installation of fresh Mac OS X Lion but I think I have messed with installing HP Deskjet printer. I am now with Mac Book Pro and when I make an installation I get "unsupported operating system", I am with version 10.7 and there were also messages such as it only supports Mac OS X version 10.6 and later , so what it is not taking the installation. So what could be the reason why I am not able to set HP Deskjet All-in-One with Mac OS X Lion. So can you guys here can help me to solve this one.
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