Black smudge on screen

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15 Mar 2021
Posts
11
Hi, Recently I just noticed that there is a black smudge on my screen I thought it was a dead pixel but when I took a screenshot on the computer, the mark showed up on the picture, I'm not sure whats going on here but any help would be appreciated. I've done those screen fixes etc but non have worked. It also doesn't show up during games but that might be because I can't see it. https://imgur.com/YljD30u
 
Soldato
Joined
29 Feb 2004
Posts
3,607
Hi, Recently I just noticed that there is a black smudge on my screen I thought it was a dead pixel but when I took a screenshot on the computer, the mark showed up on the picture, I'm not sure whats going on here but any help would be appreciated. I've done those screen fixes etc but non have worked. It also doesn't show up during games but that might be because I can't see it. https://imgur.com/YljD30u

1x1 window.

It's probably Steam creating it (Steam is often the culprit), if not just go through killing things in task manager until it goes away and you know the culprit.

Same thing here

https://old.reddit.com/r/techsupport/comments/evyjvz/dead_pixel_that_goes_away_after_restarting/

It's always the same, one black pixel with a dark line/smudge under it.
 
Soldato
Joined
6 Jun 2008
Posts
11,616
Location
Finland
If something shows in up in screen capture taken with software on that PC, then cause isn't in monitor.
Because PC has no idea what monitor is showing.
 
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OP
Joined
15 Mar 2021
Posts
11
5 minutes after posting I took off the plug for the monitor and turned off the pc and it seemed to have gone from my screen, Thanks though!
 
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