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.
The old way: Save your work, restart, spam the Shift or F12 key, select the boot device, wait for GRUB, then select Linux. win2grub
The win2grub way: One command. Restart. Linux. Disclaimer: This post describes a hypothetical tool for
Never Spam F12 Again: Seamless Dual-Booting with win2grub Tags: Linux, Windows, Dual Boot, GRUB, Automation The old way: Save your work, restart, spam
# save as `to-linux.bat` @echo off win2grub --set-next \EFI\ubuntu\grubx64.efi shutdown /r /t 5 (Runs the command and restarts in 5 seconds. Cancel with shutdown /a ) Did you accidentally delete GRUB? No problem. win2grub can also set Windows Boot Manager as the default:
After that one boot, the system reverts to the default. No permanent changes. No risk of bricking your bootloader. Step 1: Locate your GRUB .efi file. Usually, it’s at: \EFI\ubuntu\grubx64.efi or \EFI\fedora\grubx64.efi on your EFI System Partition (ESP).
win2grub --set-next \EFI\ubuntu\grubx64.efi Your machine will boot straight into the GRUB menu. From there, pick your Linux distro.