At the top right corner of my screen, there's a number that says 144. I'm assuming that's how many Hz I have. It won't go away when I restart my PC or
![linux - Setting up monitor hz to 144 through xrandr makes my monitor cut off half of screen - Unix & Linux Stack Exchange linux - Setting up monitor hz to 144 through xrandr makes my monitor cut off half of screen - Unix & Linux Stack Exchange](https://i.stack.imgur.com/2HLgF.jpg)
linux - Setting up monitor hz to 144 through xrandr makes my monitor cut off half of screen - Unix & Linux Stack Exchange
Can I connect my laptop (it has an HDMI port) to an external monitor to increase resolution and Hz? - Quora
![graphics card - I set a frequency too high for my monitor. How can I get it back to normal? - Super User graphics card - I set a frequency too high for my monitor. How can I get it back to normal? - Super User](https://i.stack.imgur.com/opj0T.jpg)