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Unable to change monitor refresh rate on Fedora 40 (discuss.tchncs.de)

submitted 3 months ago by [email protected] to c/[email protected]

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Recently I installed Fedora 40, I have a Intel Nuc with a 75Hz monitor but I tried different ways to set the refresh rate from 60 to 75 but I couldn't.

What do I need to do?

Any help is welcome because I didn't found any forum to help me to solve this problem.

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[–] [email protected] 4 points 3 months ago

Also unable to rotate pictuee 🙃

[–] [email protected] 4 points 3 months ago (2 children)

What type of connection do you use for your monitor? My first thought is just that you might be using something that can't do better than 60 Hz.

[–] [email protected] 4 points 3 months ago (1 children)

My monitor will only do 75 over Displayport. 60 with HDMI.

Could be the issue like you say.

[–] [email protected] 2 points 3 months ago (1 children)

I tried both and didn't work

[–] [email protected] 1 points 3 months ago* (last edited 3 months ago) (1 children)

I'm running Mint at 75. I'll jump into my Fedora dual boot and check.

Edit: works in ublue kinoite.

[–] [email protected] 2 points 3 months ago (1 children)

kinoite is a spin of Fedora, right?

[–] [email protected] 2 points 3 months ago

Yes, the atomic/immutable version.

Universal Blue spin adds some extras.

[–] [email protected] 1 points 3 months ago

I use a displayport ,my previous OS was Void and it worked perfectly.

[–] [email protected] 2 points 3 months ago (1 children)

Did 75Hz work with your previous OS?

[–] [email protected] 1 points 3 months ago

yes

[–] [email protected] 2 points 3 months ago (1 children)

Are you using X11 or Wayland? Try choosing the other option on the login screen.

[–] [email protected] 2 points 3 months ago

Wayland

[–] [email protected] 1 points 3 months ago* (last edited 3 months ago)

I am assuming your system is updated. What is the output of xrandr? Also, have you tried logging in to an Xorg session, and then changing the refresh rate?