When I try to play most games, I just get a black screen, but I can tell the game loaded because the music and sounds on mouse-over. Both graphics drivers are up to date. I even reinstalled the integrated graphics driver.
Deus Ex: HR,
One 1280x1024 monitor is on an HDMI-VGA adapter, the other on a USB3-VGA.
Lenovo Flex 3-1580
Windows 10.0.14393, 64 bit
BIOS: LENOVO D3CN28WW, 2016-05-09
CPU: i7-6500U @ 2.50GHz 2.59GHz
Intel HD Graphics 520
NVIDIA GeForce 940M