Question Windows 10 installation detects SSD, Mainboard does not

Aug 14, 2019
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So I bought a new SSD and connected it to my Asus X370-Pro. The slot is an SATA 6GB/s, same as my HDD. When I am in Windows Installation it detects the SSD, but when I want to create the Windows Partitions on it, it gives an Error Code.
So I went in BIOS and saw that the Mainboard isnt even detecting the SSD, but the Windows installator before did it.