rtx 4070 laptop

i have a laptop with a Ryzen 9 7945HX CPU and an RTX 4070 GPU. In games it shows that the Physx engine used is cpu. i have tried to change the settings in nvidia control panel as well but then it won't work. :) i mainly play Valorant and no other game so any help would be appreciated. I do...

Laptop model: HP Omen 16-ae0xxx Laptop specs: i7-14700HX RTX 4070 32gb 5600mhz ram Laptop Screen 165hz External monitor 60hz I was wondering if it would be beneficial (or possible) to run the laptop screen on the 4070 and the external monitor through integrated graphics only. System vitals...