Fixing Screen Tearing on Ubuntu 20.04 LTS w/ NVIDIA GeForce GTX 1650 Mobile on a PRIME Display?

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I’m really new to Ubuntu and I’m having screen tearing issues whenever I use it. I changed some settings on Firefox and that improved the tearing a little bit, but the tearing is a system-wide issue, which is really annoying. I still get tearing when I watch videos, scroll on websites + when I move windows around on the desktop, watch videos on VLC, etc.
I am using the NVIDIA driver metapackage from nvidia-driver-440 (proprietary, tested).
One of the possible solutions I found online was to change some settings in the NVIDIA X Server Settings, but I don’t get the options the tutorial had listed because apparently I have a “PRIME display” (I don’t know what that means). There’s a note on NVIDIA X Server Settings that says “PRIME Displays cannot be controlled by nvidia-settings and must be configured by an external RandR capable tool.” Since I’m very new to this, I don’t know what that means lol.
For more context, I’m running Ubuntu on my laptop and am using the laptop display. The screen resolution is 3840 x 2160 and the refresh rate is 60,00Hz. The OS is scaled 200x times and I’m not using Fractional Scaling.
What do I need to do to get rid of the screen tearing? Should I be using “nvidia-driver-440” or another driver? Can I fix tearing using terminal commands or do I need to do something else? What is an “RandR capable tool” and a “PRIME display”? Do I need to do something different because of this or no?
Thanks so much in advance for helping a noob out!!

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Marisa

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