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Pretty new to the stuff still. I dual-boot windows10 with ubuntu 20.04. About 3 weeks ago I had start having issues where It'd boot me into win10, not into GRUB. Running a x64 system. I had tried scannow and repairing with DISM. Then even trying bcdedit to set the {bootmgr} path. Unfortunately...that hasn't working either. Checking BIOS. Everything had seemed fine as well. Would anyone know anything about this. Thank you!

AstroDoge
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  • you can try boot-repair https://help.ubuntu.com/community/Boot-Repair. Just boot up from USB flash drive and install boot-repair and repair your grub :)). – Parag Katoch May 07 '21 at 00:58
  • This shouldn't cause any issues or loose anything right? – AstroDoge May 07 '21 at 01:42
  • no, it will not, just use the recommended repair and it will tell you the steps also this might help you https://askubuntu.com/a/182863/1112104. – Parag Katoch May 07 '21 at 03:17
  • Double check UEFI settings. You had to change some when instlaling Ubuntu. And Windows may have done an UEFI update which would reset many settings back to defaults. If Boot-Repair does not resolve issue, post the link to its Summary Report. – oldfred May 07 '21 at 13:47
  • Hey! I'm finally able to be signed back in! I tried many things now up to this point. Using repair-boot which says it completed, still didn't work. I'll past the pastebin below. I tried bcdedit with grubx64.efi , didn't worth. Tried with debain32 just for the hell of it. Then tried with shimx64.efi, also didn't work.

    Boot order seems to be fine. Legacy support is enabled, secure boot disabled. Still nothing at all.

    Repair File

     – AstroDoge May 07 '21 at 17:05

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