Laptop screen flickering when plugged in

[4vrag3]

My 2020 ROG Strix g512li recently started having issues when plugged in. The screen started flickering, near the top of the screen it looks like certain horizontal strips are showing, there appears to be temporary screen burn in, but there is a very narrow sliver at the top of the screen that renders fine. When I open armoury crate and task manager it looks like the dedicated GPU is completely off even though I have it on for my power plan, it also appears the screen glitching appears when my laptop tries to use the dGPU when its offI have tried updating drivers, updating windows, and it seems

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