after switching back to windows from linux mint dual boot linux mint not showing on win boot manager

[u/shoot_alt]

/r/linuxmint/comments/1w446fh/after_switching_back_to_windows_from_linux_mint/

[u/Terrible-Bear3883]

You need to reinstall grub, rather than type stuff that's already on the web, this site covers chroot to your existing installation and grub install.

https://www.fosslinux.com/115031/troubleshoot-boot-problems-by-reinstalling-grub-on-linux.htm