Is it OK to boot into Windows 10 with Grub?
Or, if you are using PowerShell: GRUB appears fine on boot and I can boot into Ubuntu and Windows 10 fine. As pointed out in the comments (by David Faure), the final argument to this command depends on your particular system configuration. You can use this command to determine the correct path for your system:
Why does my Windows 10 BIOS not show Grub?
I have disabled secure boot in my BIOS, but even so the computer boots automatically on Windows without showing GRUB, and Windows boot manager is the only one detected by my BIOS in the boot manager. I do not have any option in my BIOS to trust/choose an EFI file, as is often pointed to in the forums I have checked.
How to boot from a bootable USB flash drive?
First, create a bootable USB flash drive. Second, download the Windows image on the bootable USB drive. Third, go into the BIOS settings, set the USB as the boot priority and choose to boot from USB.
Where does Grub save in Ubuntu master boot record?
It may appear on the device and while booting you can get a pop-up message i.e. no such partition grub rescue. When you install the grub live on the device, a part of it is saved in Ubuntu in Master Boot Record (MBR) while the other stays in the Linux boot partition. The part resident in Ubuntu is crucial.
Is there a way to fix Grub on Ubuntu?
Grub no longer appeared on boot so I ran boot-repair from an Ubuntu liveUSB. This didn’t seem to have any effect. I’ve checked and secure boot is still disabled.
Where is the GRUB menu on Ubuntu 10.10?
If the Microsoft boot loader is at number 2, move it to the bottom and reboot. You can check it from within Ubuntu by running sudo efibootmgr -v in terminal. We have a number of answers here providing steps on how they fixed the issue (Loss of Grub menu due to latest Win10 update).
Where do I find Grub on my computer?
As pointed out in the comments (by David Faure), the final argument to this command depends on your particular system configuration. You can use this command to determine the correct path for your system: This will list all the installed boot managers and associated EFI paths, and grub should be somewhere in the list.