This is rather interesting. Doesn’t happen right after the boot. But at some point (don’t know what causes it yet), i start to notice a single white pixel at the top left corner of my monitor. Literally the first pixel on the top left. Manjaro ARM (KDE Plasma) on a Raspberry Pi 5. When this pixel is white, no matter what window you open, it always stays white. It only turns black (and other colors depending on the content) if you switch to a different TTY or log out and log back in. So i am assuming it is not a stuck/dead pixel.
It is not a big problem and it is really hard to notice if you are not looking at it. I have googled and actually found that this is a very old and rare issue. So it is interesting that it still happens at this point.
https://bbs.archlinux.org/viewtopic.php?id=211271
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/944701
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I took a screenshot (top left corner only) of my desktop, and that single rogue pixel is absolutely visible in the screenshot. That proves that this is not a dead/stuck pixel. But why does this happen? What could cause this?
PS: You need to download and enlarge the photo or put it on a black background to see that one pixel on the top left. I thought it was white, but it is grey colored.
This is what is commonly known as a lazy or stuck pixel - I have cheap winbook device which has such pixel.
There is a script out there which - using rapidly changing colors - is trying to massage the lazy pixel(s) into responding - it did not work me.
That does not sound right to me. A lazy pixel is a hardware issue in the display. As such, it is not going to show up in screenshots taken directly from the software’s view. Only on externally taken photos. This stray pixel shows up in software screenshots and as such is almost certainly a software issue.
You are right. But it has gone after the reboot and i haven’t seen it back ever since. I have tried to run all the apps that i have to see if it will come back, not yet. I haven’t tried “Kodi” yet. Maybe it is the culprit. I will try.
I get one of those about 3/4 of way to the bottom center, on the login screen. It goes away after I log in.
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