Weird lines on the monitor

[RiccardoG26]

Hi, all of a sudden my monitor (HP Omen 25" 144hz using a display port connected to an assembled PC with NVIDIA 1660 running windows 10) started presenting weird subtle horizontal gray lines and I noticed almost like a drop in the video quality, I checked the settings for the resolution and everything is like before, nothing changed... It seems like it came with the last 22H2 update. So I started excluding some things:-I connected a laptop with a HDMI to the HP monitor and everything work fine, no lines, so I guess no display issues-I connected the assembled PC to another monitor using a HDMI

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