A blue line appeared. It came out because very young cousin messed with the buttons under the monitor. I'm sure it's not dead pixels because each side have different contrast/brightness, other side
How to Fix Vertical Lines on Monitor? 5 Ways for You Here! - MiniTool
There is a seam in the middle of my ultra wide curved monitor : r/LinusTechTips
Why There Are Blue Lines On Monitor? First Learn Then Solve It! - Easy to Fix - Alt Gov
Why There Are Blue Lines On Monitor? First Learn Then Solve It! - Easy to Fix - Alt Gov
Blue line across my monitor, why? : r/pcmasterrace
How to Fix Vertical Lines on Monitor? 5 Ways for You Here! - MiniTool