Display glitch (horizontal stripes) after booting MacOS installer from USB

Whenever I try to install MacOS, my screen glitches, as seen in this photo. My first thought is that is has to do with the display drivers, but I'm not sure. Can anyone point me in the right direction on how to troubleshoot this issue?

My system is a HP EliteBook 850 G2.

CPU: Intel Core i5 5200U

iGPU: HD5500

I mainly used the OpenCore install guide.

Thanks in advance for the help!

submitted by /u/daneguy
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