What’s the model number of your RAM? Ie..CMH96GX5M4B5600C40.   Ensure your RAM is Dual Channel and not Quad Channel. Easiest way to check is to search your model of RAM on Newegg.  If your using quad channel RAM on a dual channel DIMM board which the...

Correction: your board is a Rog Strix Z890-F Gaming WIFI not extreme but I did pull the spec sheet for your board and it does state that your DIMM slots are dual channel.  

Hi. Looking at the specs your RAM CMH96GX5M4B5600C40, it seems your using the wrong type of RAM which is most likely why your having so many issues.  The Z890 Extreme is a Dual Channel board which is only compatible with Dual Channel RAM.  Your are u...