Soldato
Your issue is very odd, you tried all the outputs on graphics card and all inputs on monitor, it looks more like a signal issue rather than panel.
The monitor displays this even without a computer connected too it.
the monitor only has a display port connection unfortunately.
the previous screen didnt suffer with this, it had dead pixels in 4 locations and what looked like dirt behind the screen and was sold as new but was actually second hand.
The front power on/off to the screen doesnt work and none of the buttons along the front work, no menus etc come up.
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