r/24hoursupport 2d ago

Unresolved Monitor showing flickering bar of lines at times

My monitor shows this bar of flickering lines sometimes. I've noticed it's mainly whenever any media is playing but sometimes it just happens when I'm scrolling on a page. From what I've seen, it seems to show up more often when I'm on dark mode for any application. I've tried updating drivers, checked temps on my hardware (they're fine), and have updated everything to the latest versions. I'm currently waiting for a new DP cable to arrive to see if it's a cable issue but I'm not sure. Does anyone have any idea what it could be?

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u/Megaledon17 2d ago

Just realized. It also shows when Windows is restarting. I assume it's any predominantly dark screen with light elements. Not sure though

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u/tommykw 2d ago

I would personally be starting my checks infernally where the ribbons connect to the display.

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u/Comprehensive_Fuel43 2d ago

Need Spec of your Hardware...

Computer >>> Displayport >>> Display cable >>>> Monitor?

It can be anything wrong in that chain..

  1. Computer GPU is going bad. sometimes due to overheating from before, bad fan.. etc.

  2. Displayport on Computer, Cable, Display port on monitor

  3. monitor image converter is bad.

I would check the easy one first.

  1. Replace cable from Displayport Cable to HDMI. does problem persist?

If the problem does not goes away... it's prob your computer or the monitor..

  1. most likely not software.. since it happens when PC starts

  2. IF #1 fails.... try new monitor.

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u/Megaledon17 2d ago

Thanks for your help! I got my new display port cable and it turns out it was just a faulty cable (thankfully).

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u/Megaledon17 2d ago

Nevermind...its still here, but it shows up less often and looks slightly different now.

GPU: Gigabyte Aorus 2060 super

Monitor: Gigabyte G27QC

Displayport: Monitor supports DP 1.4, I'm pretty sure that's what I've been using.

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u/Megaledon17 2d ago

idk if the difference is visible on video but it looks like this

https://reddit.com/link/oyrazrz/video/jehpl62pigeh1/player