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PG 348Q / top screen flickers

Talk about NVIDIA G-SYNC, a variable refresh rate (VRR) technology. G-SYNC eliminates stutters, tearing, and reduces input lag. List of G-SYNC Monitors.

PG 348Q / top screen flickers

Postby elric » 18 Oct 2019, 04:15

Hello,

I have an issue for a long time. Sometimes it feels like it's fixed and apparently not.

In a lot of games (not all of them) i have a weird flickers on the top of the screen.

it's mostly visible during loadings and menu but also in games.

In some games, no issued at all

I tried different settings :

Vsync on / off in control panel
capping FPS
Going to lower refresh rate - 95hz instead of 100hz..


But the issue seems persistant, I can reduce it but never fix it totally.

have someone found a fix or the best settings to manage with that?

Thanks
elric
 
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Re: PG 348Q / top screen flickers

Postby jorimt » 18 Oct 2019, 13:15

If you're using G-SYNC, I believe it can be normal at really low refresh rates. This flicker is occasionally visible near the top of my display (XB271HU G-SYNC) on loading screen or in scenes with extremely low refresh/framerates with G-SYNC enabled, especially with certain background colors, patterns, or content.
Author: Blur Busters "G-SYNC 101" Series

Display: Acer Predator XB271HU OS: Windows 10 Pro MB: ASUS ROG Maximus X Hero CPU: i7-8700k GPU: EVGA GTX 1080 Ti FTW3 RAM: 32GB G.SKILL TridentZ @3200MHz
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Re: PG 348Q / top screen flickers

Postby elric » 18 Oct 2019, 13:25

Yes it's with Gsync but even at high FPS like above 60 to 100FPS the issues occurs
elric
 
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Re: PG 348Q / top screen flickers

Postby jorimt » 18 Oct 2019, 18:40

I just realized I responded to another user here nearly a year ago with the same monitor model, and the same issue:
viewtopic.php?f=5&p=35885

It may be model-specific, unfortunately.
Author: Blur Busters "G-SYNC 101" Series

Display: Acer Predator XB271HU OS: Windows 10 Pro MB: ASUS ROG Maximus X Hero CPU: i7-8700k GPU: EVGA GTX 1080 Ti FTW3 RAM: 32GB G.SKILL TridentZ @3200MHz
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Re: PG 348Q / top screen flickers

Postby elric » 20 Oct 2019, 05:14

Hm damn.

Well feels like the issue is less present if I do

No vsync
Fps cap @95 / 100hz
elric
 
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Joined: 18 Oct 2019, 04:11

Re: PG 348Q / top screen flickers

Postby Vleeswolf » 30 Oct 2019, 14:14

Same screen here. Also this issue, but seldom during very low fps situations outside of gsync range. I once read a post by Chief here that explained the issue occurs due to brightness differences or such, I cannot reproduce. I would not invest any time trying to fix.
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