Hi Everyone,
I just got my new PCSpecialist Optimus Series with 1TB PCS PCIe M.2 SSD and 512GB PCS PCIe M.2 SSD.
I have installed the Xubuntu on the 512GB and boot-repaired to append the grubx64.efi on the EFI partition on windows.
The problem is even when changing the {bootmgr} to...