Green line flickering while gaming

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Danny K

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Nov 26, 2014
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Hey there,

When I am gaming there is this green line kinda popping in my screen for a split second and the its gone again.

My question is if this could be because of an unstable PSU because I have had ASUS Anti-surge protection triggering because of a so said "unstabel psu"

This problem doesnt occur when not gaming so im not sure if its the gpu as a while since it also used to work in my friends setup before (whom i just got it from) it came straight from his pc (where it worked fine) into mine.

Thanks in advance
 
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junii421

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Feb 27, 2017
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GPU is dying :(((
 
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Danny K

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Nov 26, 2014
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AMD A6-3670
Geforce GTX 660
8 GB DDR3 RAM
PSU: Enermax Infiniti 720W.

The PSU is kinda old, it did work in my old setup just fine. Since asus warned me about it being unstable i was wondering if the problem could just be coming from the PSU and if the PSU could've fried my GPU.

Im scared
 
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SkyNetRising

SkyNetRising

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Jan 4, 2016
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That's a good PSU, but apparently it's ~ 10 years old. Could that be right?
I'd suggest checking PSU capacitors. If those are damaged (leaking or blown), replacement would be necessary.

As for the green line - it's possible GPU has been damaged. What are gpu temperatures during gaming btw?
 
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Danny K

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Nov 26, 2014
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Thing is, we got the asus anti surge alert a few times. After doing some research I found that it might be a false positive alert since i also checked the voltages and everything was okay. I decided to turn this off and since then the green line appeard. Its not a bad green line and its not constant but itś just there every once in a while for a split second. I think it might just be the PSU being really weird after all.

Now how do I check for these things inside the PSU? Im not really sure how these parts look. And like I said it worked inside the old setup but just might've missed the symptoms
 
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SkyNetRising

SkyNetRising

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Jan 4, 2016
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You'd have to open the PSU. Damaged capacitors look like this:
Side-view-of-a-failed-capacitor.jpg

Remember to disconnect PSU from power and hold power button for a few seconds before opening the PSU (or you risk getting electric shock).
 
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Danny K

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Nov 26, 2014
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Okay thank you so much! So what do I do if this is not the case?

 
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SkyNetRising

SkyNetRising

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Jan 4, 2016
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Start with trying a different monitor cable;
reinstall GPU drivers;
check gpu in another pc.

If nothing makes any difference, then replace the gpu.

BTW - you didn't mention GPU temperatures during gaming. That's important too.
 
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Danny K

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Nov 26, 2014
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I'll check the temps later on. I also used the GPU in another setup before back then it didnt get any hotter than around 60 degrees under load. Not sure in this setup but I cleaned it and it went straight into this one so it wont differ much i think

 
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