Hello,  
	I have a Dell Precision M6800 with two graphics card:  
	- Intel HD 4600 
	- Nvidia K2200M  
	With other models of Nvidia cards I had no problems. Osx detect perfectly, for example with a K3100M. But with this model, Osx High Sierra detect it as "Display" and I can't use my DisplayPort or HDMI for external displays.  
	Thanks in advance.
 
	debug_21202.zip