System will not keep 75hz for my monitor

Not sure if this is the right place to post. I have a 34 inch 1440p x 75hz monitor. I can set this frequency with the display settings. Tell it to keep the setting but it always reverts back to the default 60hz. Is there a way to make this permanent? Thanks.

Depends on the desktop you’re on. Is it a multi-monitor setup?

On my 3-monitor system, I’m using arandr, and have to specify the refresh rate on the monitor that differs from the others. See “–rate 24” near the end:

# Display layout:
xrandr --output DisplayPort-0 --mode 2560x1440 --pos 3840x0 --rotate normal --output DisplayPort-1 --primary --mode 2560x1440 --pos 6400x0 --rotate normal --output DisplayPort-2 --off --output HDMI-A-0 --mode 3840x2160 --rate 24 --pos 0x0 --rotate normal

And then check in the terminal with


there you can also see the available refresh rates and resolutions for you monitor(s)

Hi Thanks for the reply. I am using one monitor running XFCE on the display port. I will try your suggestion using xrandr. Regards.

It is different on Xfce than on Fluxbox which I am on.

I don’t have Xfce at the moment, I’m sure others will help.