How can i fix cpu bottlenecking????

[kramasuringan]

Specs
Intel core i7 77k
Mb z27h asus
1tb hhd
Gtx 1080 ti founders edition
8 gb of ram

I don know what happened but when i play a game my cpu is only running at 19% how can i fix this????

 

[helpstar]

check temperature of your CPU

which games?

run 3dmark (it´s for free), after it click on compare rsult online and post the address which comes up in your browser