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I have windows 10 preinstalled on mine laptop. I love both ubuntu and windows so I planned to make DUAL boot my laptop. Then I have installed Ubuntu as 2nd OS to my LP. Everything was successful and I had configured the GRUB(Basics like time out and Default). Then I have to restart my computer and GRUB menu appears and I choose to use Ubuntu.

After my work finished in Ubuntu, I wished to use Windows so I had restart my laptop and GRUB menu appears and chose Window. Suddenly I realized that I forgot some file to bring to Windows so that I wanted to go back to Ubuntu so again restated Laptop. After the restart, I came to know that there is no GRUB menu so that I tried to load using BIOS but I did not found Ubuntu there also.

Both the OS has booted using UEFI(Secure boot off).

I have checked that the Ubuntu folder is there is the EFI folder(Checked through windows command prompt).

Also made the GRUB as default

I have Ubuntu partition also.

Community
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bikash.bilz
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1 Answers1

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Are you having the same problem as described here? Windows 10 changes UEFI boot order every time

It looks like your Grub boot option is overridden by Windows. You can still bring back the grub if you bring up the EFI boot selection. Or you can follow the bcdedit command to have grub default permanently.

Cheng Du
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