Question – Windows 10 can’t be installed on new build ? | Page 3

You’re doing a lot of random nonsense.

1. Disable Fast boot in BIOS,
2. Disable Secure boot in BIOS (CSM being enabled usually disables Secure Boot),
3. Make sure SATA controller is set to AHCI mode (not RAID, not Intel RST (on Intel boards)),
4. Have only single drive connected, while installing windows,
5. Clean OS drive before installing windows onto it using diskpart clean method (Shift+F10 to open command prompt).
6. Install windows.

If windows was installed in UEFI mode, set Windows Boot Manager as first boot option in Boot Priority settings.

If still doesn’t boot, then:
Show screenshot with Boot Priority settings

Boot from windows installation media execute following and show command output.

diskpart​

list disk​

select disk 0​

list partition​

list volume​

detail disk​