this post was submitted on 19 Apr 2024
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This is either a bug with the graphics driver (easy to fix) or a hardware fault with the graphics chip (new laptop time).
Check to see if the graphical corruption only happens in macOS using something like a Linux live USB. If it's still there, it's a hardware problem.
If it goes away, back up her information using Time Machine and reinstall macOS.
I'll try booting it from a live USB but I'm not very hopeful given how it also freezes in recovery and safe mode. Thank you