Laptop screen purple bars fade in and out

Sep 11, 2018
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Hello, I have an Asus laptop. Windows 10, i7-4500U, NVIDIA GT 745M / Intel HD Graphics.
I have this strange effect that shows purple lines on home screen and in games, much worse on boot. When I open a page it fades away (such as chrome) but once I return to desktop it slowly fades back in. Clean install, drivers updated, temperatures normal. No drops. If there is a way I can attach photos to this post please let me know. It starts at the bottom of the screen and looks like it bleeds vertically.