bought a cheap monitor a year ago because i was short on and im planning to buy a better display but im not sure what can cause thjis
https://drive.google.com/file/d/1MYpET5n6ViWbOjhre3Tzfclo-I7VbUCS/view
https://drive.google.com/file/d/1MYpET5n6ViWbOjhre3Tzfclo-I7VbUCS/view