this post was submitted on 11 Jul 2023
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Linux
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Linux needs better multi-monitor support. It's better than it's ever been, but it's still janky and giving black screens on tertiary screens at times.
EDIT: It's funny how the comments are all over the place. "works for me", "it's broken on KDE but works on XFCE", "it's broken on XFCE but works on KDE", etc. I think that's a good sign there are problems with multi-monitor support.
Plasma has really good multi monitor support since 5.27. Use latest versions and be happy 🙂
Plasma is probably the worst out of the few bigger DEs. If you don't replug the monitors the same way to the video card, the toolbars you have configured disappear and you cannot copy it from a different display or even make all toolbars identical on all monitors...
nvidia 😏?)
AMD
fuckedup. plasma is the worst DE, we will die all 🙂
Its more of a Desktop thing rather than Linux. If you use the right Desktop like Plasma then you have no issues at all.
I really don't see any problems with Multi monitor, I actually have more issues with Windows 11 right now in terms of multiple Displays
Funny because Plasma was the only desktop I tried which game me weird monitor issues Even Windowmaker worked flawless for me, and my XFCE(Desktop) / i3wm(Laptop) never failed with 3+ monitors
Yeah, KDE was also my first DE but immediately switched to Gnome for 3 Years. Till now after having an AMD card. I guess a lot has changed, i also got way too much issues years back then with Nvidia.
I also saw a difference shortly before switching to AMD with animations on KDE (Gnome went nice with Nvidia). They were either loading, caching or just lagging or smth when hitting the Overview feature (Similar to Gnome super button). This small uncomfy issue instantly went away with AMD for unknown reason.
I've been messing with this on and off for a few years now and I still haven't seen support for multiple monitors running at different scaling levels (like running a 4K monitor at 125% alongside a 1080p monitor at 100%). This is a feature I use in Windows on one of my setups. I hope this gets some attention soon. I run Linux on most of my machines but this problem still gets in my way on others.
Plasma on Wayland can do that I'm pretty sure, and if you don't have an Nvidia GPU Wayland is fine nowadays. Hell, even if you have an Nvidia GPU it's mostly fine nowadays.
Its very fine with Nvidia too
Okay thanks, I haven't tried Wayland on that machine (which has an Nvidia card) but I'll give it a go! Appreciate the help.
Then use Wayland, its there, its the default and KDE and Gnome should have each their own solution to this feature so you may compare them.
Samesies. Using three monitors on KDE for about 2 years now with no issues.
Yeah, its so easy to trash against Linux as a whole giant one thing, just because there is a kernel in your System called Linux.
Ah shit, Linux is so trash! I can't even put the taskbar at the top or install a normal Firefox as Default browser! Ah wait... thats just ChromeOS
While this is probably still true, I doubt it's a big factor when talking about mass adoption.
Indeed. I use Xfce and have to switch to Cinnamon to get a very good multi-monitor support.
Why? I am running XFCE and didn't have any problem using an external monitor.
Xfce have a hard time recognize recently plugged in monitors. I have to restart the PC with the monitors plugged in to have a 50/50 chance to make it work. Or just switch to Cinnamon and make it wok right away.
Have you tried any other distro with XFCE? I am running Gentoo and Void and both are fine.
Nope. Since Cinnamon fixes the issue, I have no plans to test with other distros 😊 But I might some day.
I've never had issues with multi monitor, what desktop are you using?
I had the reverse experience. I have had no issues with multi-monitor (OpenSUSE, nVidia driver direct from nVideas own maintained Opensuse rpms) but on Windows I'm having Windows open black, or delayed, not recognizing external display, etc. Too many variables to make proper apples to apples comparisons.
Wayland fixes multi monitor