What do I do if my system asks for a installation disk and I don’t have one?

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I have a desktop computer with Windows 7 pre-installed. It won’t startup. It’s asking me for the installation disk which I don’t have. Can I buy that somewhere? Do I have to buy Windows 7 and install that or can I just buy Windows 8.1 and install that?

There are a few things you can try. I’ll list those, as well as one technique that will let you avoid this problem completely in the future.

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Can I create rescue disks for any point in time?

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Can I create rescue disks for any point in time? If there’s a problem, I don’t want to restore to the factory settings at the beginning. I want to restore to a recent time when I created rescue disks (if this is possible). I’d like to do this weekly so I don’t lose the most recent settings, program, files, etc.

Absolutely. You can do this, but I wouldn’t call them “rescue discs.”

What you’re talking about is something I’ve long recommended: performing an image backup.

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