Let me introduce you to my new favorite dual-booting companion: . What is win2grub ? win2grub is a lightweight script/tool for Windows that bridges the gap between the Windows Boot Manager and the GRUB bootloader. Instead of fighting your UEFI/BIOS for boot priority, win2grub sets the next boot to go directly to GRUB.
win2grub --set-next \EFI\ubuntu\grubx64.efi Your machine will boot straight into the GRUB menu. From there, pick your Linux distro. win2grub
Disclaimer: This post describes a hypothetical tool for illustrative purposes. Always back up your EFI partition before modifying boot entries. bcdedit is powerful; run as Administrator. Let me introduce you to my new favorite