This English-language MS Answers forum post from June 2018 describes a similar problem, but only with a screen. I did some research on the web before I posted this blog post. One affected person writes that the display error only occurs 1-2 times a day – then you could fix it by restarting. The latest reports dates from March 2019 and refers to Windows 10 V1809.

But within this thread several users confirmed that report, all of them affected in dual monitor mode. It also doesn't always happen.Ĭould have been considered an isolated case where a graphics driver or misconfiguration caused the problem. This only seems to affect windows that have been opened directly on this monitor. If you drag a window over from the 'normal' monitor, it looks quite normal. It can even be seen in the small picture of the preview in the taskbar.Įverything below cannot be clicked either.

The screenshot comes from a remote maintenance session, which means that I see it there too. On one (!) screen you can see a white bar at the upper edge, several centimeters high, running over the complete screen (with the 2nd customer partly also black). I have the following phenomenon with 2 customers (both 2-screen operation): I came across this German Microsoft Answers forum post some time ago where a user describes the problem for Windows 10 version 1803 as follows.

Windows 10 screen is black and white