Question Windows wont let me change display resolutions

Sep 7, 2019
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Any game on my computer is lagging extremely bad even on lowest settings, so i was trying to change my display settings lower than 4k but the box is grayed out and I also noticed it says in the advanced display settings that it's only showing 1 Hz. Please Help I feel like I've tried everything.
LG 4k 27" IPS HDR
 

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