Score:0

Second Monitor not displaying anything 22.04

vg flag

Pic of Settings->Display w/ both monitors available

I built my first PC and decided to make it a dual boot for some Security classes coming up. When I initially installed Ubuntu it was displaying my second monitor, but while adjusting the settings it stopped working. I can run windows 11 with both monitors, but when I change the settings in Ubuntu it will cycle power to the monitor in question, and then it goes right back to sleep.

I am running an amd gpu (most answers are for the nvidia cards) and have verified that my sys is running the right drivers. My output on xrandr --listmonitors is: Monitors: 1 0: +*XWAYLAND0 1920/530x1080/300+0+0 XWAYLAND0

But if it only has one monitor available, why is it showing them both listed in Settings->Display?

cc flag
You have selected the single display tab, select join displays and position them the way you want.
jbodawg avatar
vg flag
That's what I'm saying, when I select that tab and hit apply, it cycles power to the monitor for a brief second and then shuts back down and resumes single monitor ops...
Score:1
vg flag

I have absolutely no idea what actually happened, but after too many hours of messing with this it worked. My computer 100% recognized there was a second monitor in the settings shown above, but when I ran xrandr --listmonitors it said there was only 1 monitor. Even at initial sign in the second monitor was powered on, but got "no signal" after sign in. I was, for no apparent reason, finally able to put it into mirror mode, then Join. I don't know, but I learned a lot for no reason, so there's that! lol.

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