Question Second monitor flickers to desktop and back

Ley

Reputable
May 1, 2016
135
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4,585
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Both screens are plugged with an HDMI cable to my GPU. Whenever I'm playing, the second monitor flickers, showing the desktop and back to the app it was running. That can happen many times a second or once in a minute.
Also, this happens when I'm running a game:
View: https://www.youtube.com/watch?v=5Jz1TPnCrSc&feature=youtu.be


These weird moving lines happened when I had my old PC too, and it's not a monitor issue. I've tried with another one and same issue. Hope it's not a defective GPU...
 
Aug 3, 2019
16
3
15
1
  1. Use different cables like VGA, DisplayPort, etc.
  2. If not, check your screen refresh rate. Play with it and see if it fixes it.
  3. Check if your GPU is properly seated in the slot. Maybe put it in another slot.
 
Reactions: Ley

Ley

Reputable
May 1, 2016
135
9
4,585
1
  1. Use different cables like VGA, DisplayPort, etc.
  2. If not, check your screen refresh rate. Play with it and see if it fixes it.
  3. Check if your GPU is properly seated in the slot. Maybe put it in another slot.
  1. My second monitor only has a VGA port, I'm using a VGA to HDMI adapter
  2. I think I've tried already, but I have no option to change the refresh rate. Max and minimum is 60Hz.
  3. I also think it is, since I have no issues on my first monitor...
 
Aug 3, 2019
16
3
15
1
I am convinced that the problem is with your cables, either the VGA cable or the VGA-HDMI adapter. GPU is ok since your first monitor works just fine.
 
Reactions: Ley

Ley

Reputable
May 1, 2016
135
9
4,585
1
So I've tried again with another cable and I don't have those horizontal lines anymore, but the flickering is still there.
 

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