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Idiodically installed and uninstalled Migrate Easy 7 on Windows 10, can't boot

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I idiodically installed Migrate Easy 7 (trial from Download.com) on Windows 10, forgetful that it doesn't support Windows 10. When I uninstalled, I was unable to reboot.

Startup Repair doesn't do anything. It basically says "Startup Repair could not repair."

I've tried running the built-in emergency boot command prompt and ran the commands 

bootrec /fixmbr
bootrec /fixboot
bootrec /scanos
bootrec /rebuildbcd

These didn't do anything, and I believe it's becaused bootrec /scanos and bootrec /rebuildbcd both output "Total identified Windows installations: 0"

bcdedit shows an entry for Windows Boot Manager on D:, and an entry for Windows 10 on drive c:. I don't know if the D: entry is wrong; before this point, D: was the CD/DVD drive.

C:\Windows does exist.

What's the resolution path? I need to get back to where I was.

Forum Hero
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mvp

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If your disk is legacy/MBR, restore just the MBR parition back from a previous working backup to itself.  If it's UEFI/GPT, just restore the EFI parition back to itself

Hopefully, that's it.  

If not, when I could not fix the bootloader with Bootrec commands or startup repair, I had luck with the attached link.  It basically has you use the Windows recovery advvanced startup command prompt, use diskpart to delete this parition completely (mount volume with a letter and quick format) and then run startup reapair a few times.  I'ts worked on a couple of occassions for me.

https://www.cult-of-tech.net/2015/07/rebuilding-the-windows-system-rese…

There is one thing to be aware of.  It says to format C:.  This is not true.  In his case, the system reserved parition showed up as C in the recovery environment, but you generally have to mount it as a letter of your choosing.  You want to format that letter.  Don't format C: if that is the OS parition in the recovery paritoin.  Other than that, the instructions are spot on. 

Beginner
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Thx. I did not have a backup. I ended up starting over with Win7 fresh on the new drive and upgrading.

But some kind of educated reply is helpful for teh googles.