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I installed Ubuntu 18.04 as a second OS on my laptop (on Windows 10 as the first OS everything works fine) and found that the system doesn't recognize my monitor, which is connected via HDMI.
HP Gaming Pavilion 15
AMD Ryzen 3750H with integrated graphics
Nvidia GTX 1650
I tried reinstalling Nvidia drivers, different desktop environments etc. Xrandr also shows that no display is connected to the HDMI.
Do you know how to get the HDMI connection working?