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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Question about High Refresh Rate Monitors and High Res Monitors on linux (lemmy.nz)

submitted 1 year ago by [email protected] to c/[email protected]

30 comments fedilink hide all child comments

Hello, I cant seem to find any upto date info on this topic and all the old threads seem to suggest that these features do not work well on linux.

I am looking to get a 144hz monitor that is at least 2k in resolution. I have an Nvidia graphics card and KDE Plasma. I want to run two monitors and the 2nd monitors is 60hz and 1080p. Would this cause issues? Is there anything I need to consider when looking for a monitor?

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[–] [email protected] 8 points 1 year ago (3 children)

On my PC at home I'm running KDE Plasma on OpenSUSE Tumbleweed with two monitors: 1440p 240 Hz, 4k 60 Hz. Both are connected via displayport to an RTX2080. It works perfectly fine for me.

A while back, I used Linux Mint on the same system and it was a headache, where it would sometimes boot to a blank screen and I would have to restart a random number of times before it would work. I never did figure out the underlying cause, it just went away when I changed distros for other reasons....

[–] [email protected] 2 points 1 year ago

Moving from Mint to Tumbleweed probably solved your issues because of the huge leap in kernel/driver/software versions. The default settings could have been different too, but I'm guessing it had more to do with more up to date software.

[–] [email protected] 2 points 1 year ago (2 children)

Are you using wayland? As far as I'm aware X11 can't handle different refresh rates for different monitors so it defaults to the lower one.

[–] [email protected] 2 points 1 year ago* (last edited 1 year ago) (1 children)

Chiming in to say #Wayland is what resolved this issue for me. I had to switch from Linux Mint Cinnamon to #EndeavourOS + #GNOME and I'm much happier with my setup now.

[–] [email protected] 1 points 1 year ago

What's your GPU?

[–] [email protected] 1 points 1 year ago* (last edited 1 year ago)

X11 can use the higher refresh rate when using multiple monitors. It just runs everything at a higher refresh rate which can cause tearing on the lower one.

[–] [email protected] 1 points 1 year ago

Ah perfect this is exactly the vouch I was looking for. Thank you