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I installed Windows 7 RC Ultimate on a friend's machine, and starting today her computer won't boot into Windows anymore. I'm not sure exactly what the problem is (waiting for her to bring her laptop over) but I know RC is about to expire around now. Anyone else seen this problem?

She has a Windows 7 RTM Ultimate retail DVD -- 2 questions:

1) any suggestions on how to upgrade without her losing her original data. I assume I can just boot with the install disc and choose "Upgrade" but don't know if it'll work. While I wait for her to come by, I was hoping someone could provide any guidance on what I should try.

2) Any ideas why the computer won't boot into Windows 7 RC? From what I read it should boot and then shut down every 2 hours (assume this isn't some other problem like a bad hard drive)

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closed as too localized by studiohack Aug 19 '11 at 9:21

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

up vote 3 down vote accepted

You cannot upgrade the RC to RTM officially. This was made clear when you signed up for the testing program.

You can, however, hack your way around it

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Your friend should have been receiving warnings for the last 2 weeks that the RC copy was about to expire - I was in a virtual machine that was running Win7 RC.

Upgrading is possible by hacking a file and rebuilding the ISO file or launching setup from the hard disc, like @taspeotis says.

However, I think you would be better off installing Windows 7 RTM fresh. Using an external enclosure, you can copy all of the files from the harddrive to another computer, format and install Windows, and then copy the personal documents back.

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