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I am using a dual boot system - Windows 10 & Ubuntu 20.04.

After a Windows update I was no longer able to boot Ubuntu. Grub was not showing up, there was just a blinking white cursor on the screen. So I went into BIOS, selected Windows Boot Manager and was able to boot into Windows 10. I then looked up ways to probably fix my problem ( = not being able to boot Ubuntu) and came across some thread here on superuser that seemed to have a solution.

However, being tired from studying all day, I did not think about consequences and just wanted to get everything fixed real quick. So I just went into cmd as admin and executed "bcdedit /set {bootmgr} path grubx64.efi", problem being that now my Windows Boot Manager boots the same thing as my Ubuntu is trying to boot. So now I cannot boot either Windows 10 nor Ubuntu.

Is there any way to reset "bcdedit /set {bootmgr} path grubx64.efi" to what it was prior?

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