how can i make hdmi port work if it alway keep using dGPU?

i tried using windows but seem likes it will alway use dGPU for that port, try to set phyx in nvidia control panel is not work

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spec :

- Intel® Core™ i7-10750H (2.6 GHz base frequency, up to 5 GHz with Intel® Turbo Boost Technology, 12 MB L3 cache, 6 cores)

- Mobile Intel HM470 Express Chipsets

- 16 GB DDR4-2933 SDRAM (2 x 8 GB)

-Nvidia GTX 1660