Flickering screen on Catalina

I have a Dell Latitude E6530 (Intel Core i5-3320M, Intel HD 4000, 1366x768 screen) and ever since I installed Catalina on it, the screen would randomly glitch out then become normal again. I've tried updating Lilu+WhateverGreen, as well as adding the 0x01660003 ig-platform-id and SSDT-IMEI but to no avail.

This is the guide I followed: https://www.youtube.com/watch?v=mBpSYlCswT8

Is there any way to fix this?

submitted by /u/dontsuspendmeagain
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