ram issues ryzen

[theunknown0]

so i have build my computer and then i booted up and i saw that i only have 8gb free when i have 16gb kit and i also cant oc the ram. i cant only use 2133mhz on the ram,xmp does not work tried changing the timings and the voltage and that didn'twork and now i don't know what to do. whta hould be the problem?

 

[rgd1101]

need full system spec.