Win 10 to Win 11 upgrade failed; "reboot & select proper boot device ..."

  • Thread starter Thread starter DavidKutz
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DavidKutz

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Hi there,I'm trying to upgrade from Win10 Pro X64 to Win11. After an 'invite' from MS to upgrade within the update module of Win10, I ran the update. It failed to boot; returning: "reboot & select proper boot device . ...." I'm running: Win 10 Version 10.0.19044 Build 19044; which I believe is the most current with all updates applied.I fortunately clone my C:\drive to a portable drive and was able to revert to Win 10 without issues.I then downloaded the Win11 off the web to create a set-up environment on a USB drive. I ran 'set-up' .... It loaded Win11, with the same error: "reboot &

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