iMac 10,1 21.5 inch Late 2009 major graphical glitches

I just installed Big sur on a 2009 and everything seems to work fine, its just that when I go into finder, the side panel where you navigate will look all glitchy for me and when I unplug my mouse or anything the screen gets very glitchy, Should I patch root? or is this got to be fixed by replacing the GPU?

submitted by /u/KnockedUpFishONBeach
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