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Windows 7 Build 7600 This copy of Windows is not genuine
Good day everyone!
I did a dual boot installation with my DELL Studio XPS 1640 (with W7 as the original OS) using this tutorial. Everything went fine but when I boot to W7, a message on the lower right screen appears that says "Windows 7 Build 7600 This copy of Windows is not genuine". So I was thinking the dual boot could be the reason of the error. I decided to undo the dual boot. I did this this tutorial first: https://www.sevenforums.com/tutorials...list-boot.html, then I deleted the partition where the Vista was, then I merged the extended partition with the primary partition, then I was done. I restarted the computer and then the message still appears that W7 is not genuine. I noticed also everytime I start the computer, black screen with words (like DOS) appears before W7 logo appears.
Help me with this problem please.