2 Green lines appiered on my monitor

[nikola5snake]

https://prnt.sc/kiiugp

So 1 month ago these 2 lines appiered out of nowhere, i didnt do anything to my monitor i simply turned it on and they appiered
I mean i dont mind them but i would like to remove them

 

[Peter Martin]

either the monitor or graphics card. hook it hdmi to a TV and see as a test if it looks fine, if it does, you need a new monitor