Ubuntu Cannot Detect External Monitor

Reduce External Monitor Brightness on Ubuntu 20.04, 21.10

Ubuntu Cannot Detect External Monitor. Web i was using the two external monitors plugged into thinkpad that has installed only ubuntu 20.04, the laptop has amd ryzen 7 pro 4750u with amd. I know the setup (cable, adapter, monitor).

Reduce External Monitor Brightness on Ubuntu 20.04, 21.10
Reduce External Monitor Brightness on Ubuntu 20.04, 21.10

Web if the hdmi port is listed as disconnected in the xrandr output, (e.g. Web i was using the two external monitors plugged into thinkpad that has installed only ubuntu 20.04, the laptop has amd ryzen 7 pro 4750u with amd. I know the setup (cable, adapter, monitor). Open the activities overview and start typing displays. Web ok, investigation done, ubuntu 19.04 has kernel 5.0 per default. The cable is good (i.e. Web if your system does not recognize it immediately, or you would like to adjust the settings: It works with some other computer/display). Click displays to open the panel. Web i'm trying to use an external monitor with a typec port on an ubuntu20 system.

I know the setup (cable, adapter, monitor). Open the activities overview and start typing displays. It works with some other computer/display). Click displays to open the panel. Web i'm trying to use an external monitor with a typec port on an ubuntu20 system. Web if the hdmi port is listed as disconnected in the xrandr output, (e.g. Web if your system does not recognize it immediately, or you would like to adjust the settings: Web i was using the two external monitors plugged into thinkpad that has installed only ubuntu 20.04, the laptop has amd ryzen 7 pro 4750u with amd. Web ok, investigation done, ubuntu 19.04 has kernel 5.0 per default. The cable is good (i.e. (previously the system was working well with hdmi port with another monitor).