XB281HK - Black Square in top left of screen

No1uno
No1uno Member Posts: 1 New User
edited March 2023 in 2017 Archives

Just bought a new XB281HK monitor and there is a small (1cm x 1cm) black square in the top left of the screen.

When I turn the monitor off and back on again, the square disappears for a few seconds and then comes back.

Anyone seen anything like this before?

Thanks