[SOLVED] Can't boot Windows 10 from M2 disk

Jan 26, 2019
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Hi! I have spent a day on it 🙁 I have mb Gigabyte GA-Z370 HD3P, M2 disk A-data XPG S11 and unfortunately Windows 10.

What I have already done: I made a bootable USB stick with UEFI Windows version (with Rufus utility), installed a copy of Windows on the M2 drive.

After restart I'm not able to boot again and the disk is not in boot option in BIOS (CMS disabled). With CMS enabled I can see it in boot options but I'm not able to boot.

I tried many combinations of BIOS settings, I tried to install Windows on another disk - and I saw Win folders on the M2 disk. It seems that Windows see the disk but are not able make it bootable (BIOS does not recognize it as a bootable disk). What to do? Any advice appreciate! Thank you in advance. Petr.