High usage combined with low GPU usage typically points to a " CPU bottleneck "—where your processor is working at its limit and can't send instructions to the graphics card fast enough. 1. Optimize Windows Settings
Disable unnecessary programs that launch at startup by going to Settings > Apps > Startup . 2. In-Game Adjustments How To FIX High CPU Usage and Low GPU Usage in ...
Are you seeing these issues in one specific or across your entire system ? High usage combined with low GPU usage typically