Question Low CPU and GPU usage

[MrDooDoo69]

I play fortnite competitively, my pc's specs are decent, however my game stutters like hell, it drops to 20 fps, and sometimes i can notice input lag .my cpu is always at 40-50% usage and my gpu is always at 20% usage, all temps are good.

pc specs-16gb ram @3200mhz
ryzen r7 1700
evga gtx 1660
msi tomahawk b540(motherboard)
i have the latest drivers and i tried both dx11 and dx12.
please help me

 

[MrDooDoo69]

I play fortnite competitively, my pc's specs are decent, however my game stutters like hell, it drops to 20 fps, and sometimes i can notice input lag .my cpu is always at 40-50% usage and my gpu is always at 20% usage, all temps are good.

pc specs-16gb ram @3200mhz
ryzen r7 1700
evga gtx 1660
msi tomahawk b540(motherboard)
i have the latest drivers and i tried both dx11 and dx12.
please help me

i just realized dx12 was the problem,i switched to dx 11 but still the game uses 70% of my gpu and only 30% of my cpu