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I am not very knowledgeable when it comes to Ubuntu. I keep procrastinating on learning, sorry I'm digressing. My Windows 7 HD failed. I booted into Ubuntu 16.4 and retrieved my important files. I installed windows 10 onto a new hard drive. I didn't install Ubuntu. I just ran it from a CD. Now when I boot up Win10, I get,

error: no such partition. Entering rescue mode... grub rescue>

I've tried: bootrec /fixmbr bootrec /fixboot bootrec /scanos bootrec /rebuildbcd

The old hard drive is still connected and I just received an message about it. Also, the HD's might be connected to their original Sata Ports. Any and all help would be awesome. Again, thank you.

marked as duplicate by karel, Eric Carvalho, WinEunuuchs2Unix, Kevin Bowen, Zanna Aug 5 '17 at 10:24

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  • This is not the same problem. Since I never installed Ubuntu. I only used Ubuntu from a CD. – Moddchip Aug 2 '17 at 2:03
  • If you never installed Ubuntu, the problem you're having has to do with different requirements for Windows 7 (BIOS/Legacy) and Windows 10 (UEFI). That said, the fact that you used Ubuntu doesn't qualify your question for AU. It's all about Windows(es) and as such off topic. – user692175 Aug 2 '17 at 2:23
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    "Any and all help would be awesome." You accidentally installed grub because you are getting a grub rescue> prompt so even though you "only used Ubuntu from a CD" you need to uninstall Grub and use the Windows bootloader. – karel Aug 2 '17 at 4:11
  • Thanks karel, that worked. I REALLY appreciate your time and help. And a special thanks to you MichaelBay. I feel so welcome here :-[ – Moddchip Aug 3 '17 at 6:47
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Windows 10 setup typically formats and partitions the hard drive in such a way that sometimes the only option for the boot to work effectively is with Secure Boot activation. If your computer's BIOS has this option, enable it to verify that Windows 10 will boot properly.

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