How many monitors can I power with Intel graphics?
The answer largely depends on what type of output port your laptop has. If you have any modern laptop with mini DisplayPort or a USB Type-C / Thunderbolt 3 port, you can power up to three monitors at 1080p each, two monitors at 2K or one monitor at 4K. However if you just have an HDMI or VGA port, you can’t power dual displays through it.
Even if you don’t have the correct ports or processor, you can power three or more monitors using a USB docking station that contains DisplayPort technology. These docks use your CPU and their own chips to send video out as a USB signal.