Ryzen 9 3900x Only showing 8 logical cores

In my old setups I would have already found the fix but this has me stumped.

MSI MPG X570 GAMING EDGE WIFI
Ryzen 9 3900x 12 core

The only Windows 10 setting I know of that affects the number of processor cores in use is the one in the attached image. (Enter "msconfig" in the search or run window.) It's not something that would normally be turned on.

This what I get:

Aside from that, all that I would try is clearing the CMOS.

Failing that, I'd guess that you have a defective motherboard or CPU.

Best of luck.

I feel so stupid, that did the trick! THANK YOU!!