I have two ASUS VG249QL3A monitors that I bought a couple months ago. The problem is that sometimes when turning the computer on or turning the monitors on after they've gone into sleep mode the secondary monitor displays static and plays a loud noise like an old tv. It doesn't happen all the time and I'm not sure what causes it when it does occur. It fixes itself if I turn the monitor off and on by pressing the power button.
Here is a video:
https://youtu.be/DihaZ3Gn96E
