The laptop does not see the second monitor, but the image displays, how to fix it?

Question

ASUS

There is an asus n551jx intel core i7 laptop with a discrete nvidia 950M video card, there are no settings related to video cards in the BIOS.
Worth windows 8.1.
When a monitor is connected via HDMI, the images are duplicated on it, but nothing changes in the monitor settings window, there is only one monitor, the second one does not appear in the manager either. Those. as if there is no second monitor, but the image is displayed on it.
Removed drivers and installed new ones. In the program from nvidia included forcibly integrated or discrete, there is no difference.

Answer 1

you do not have drivers installed for the integrated Intel graphics card (through which laptops display images on monitors)
https://downloadcenter.intel.com/download/29313/In...