so i got a pre-built pc and everything was working fine yesterday i overclocked the gpu on the NVIDIA app and so it was working at 90% and i was getting higher fps (about 300) on all the games i played but now today it's just started to happen that my gpu is now at 30% and won't go any higher than that i try to overclock it again but that didn't work please help. (The games where fortnite, gta and gta fivem.)