Hi everybody,
This post is giving me some hope since I am running on the very same hardware Minisforum TH50 (cpu: i5-11320h).
So starting from the beginning, determining which bootloader is used:
efibootmgr -v
BootCurrent: 0003
Timeout: 1 seconds
BootOrder: 0003,0008,0000
Boot0000 Windows...