Most important make sure you are on latest Windows 10 OS build Start >> RUN >> WINVER : Out put has anything less than 21H2/20H1   you need to download latest windows build. Google windows upgrade assistance and it will install the latest Os build    Once OS is updated.  Download a copy of Both Intel and NVIDIA Drivers and save them on Desktop  Download DDU (display driver uninstaller)  Reboot to safe mode : and wipe both the drivers.  Reboot again to normal mode. Windows will load the drivers for both graphic card. (Internet connection required). You can go to Device manager > Display adapter and confirm both INTEL and Graphic cards showing there. Now perform the tests below and note down out come with a video test.    Test 1 : Do not install the drivers you have saved, test the video on the drivers windows had loaded.    test 2 : Install Intel Drivers first and test the video    test 3 : install the NVIDIA Drivers and Test    Test 4 : From device manager > Display adapter : Right Click intel display card and disable Test the video    Test 5 : Same steps as test 4 with NVIDIA card and test the video    You will fine which card or Driver is the root cause.   
I have some strange video problem with my laptop.When I play a video with VLC (or win10 default player), the video turn black when I plug in my power supply.I have the same issue with some games if I don't play them windowed, full screen no problem.Also when I put the video player half out of screen, the video becomes visible again.When I do the same thing just on battery, everything plays normal. Dell Inspiron 15 7000 - 7567NVIDIA Geforce GTX 1050 (driver: v27.21.14.6231)Intel HD Graphics 630 (driver: v30.0.100.9864)Windows 10 HomeBIOS v1.14.0 I already tried with latest NVIDIA drivers, without any succes.Any sugesstions? thx in advance
black video playback