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**Nvidia G-Sync owners thread**

With the latest drivers I managed to get G-Sync and 144hz working on my K3000M, though oddly if my laptop display is at all detectable then my GPU refuses to output 144hz, it only offers 120hz. Even if I disable it in the nvidia drivers. I have close the lid so it's off completely and then 144hz is available.
 
Just came across this worth a share.

This post was primarily meant as a status update and to serve as something for G-Sync users to point to when attempting to explain the flicker they are perceiving. We will continue researching, collecting data, and coordinating with NVIDIA on this issue, and will report back once we have more to discuss.

During the research and drafting of this piece, we reached out to and worked with NVIDIA to discuss this issue. Here is their statement:

"All LCD pixel values relax after refreshing. As a result, the brightness value that is set during the LCD’s scanline update slowly relaxes until the next refresh.

This means all LCDs have some slight variation in brightness. In this case, lower frequency refreshes will appear slightly brighter than high frequency refreshes by 1 – 2%.

When games are running normally (i.e., not waiting at a load screen, nor a screen capture) - users will never see this slight variation in brightness value. In the rare cases where frame rates can plummet to very low levels, there is a very slight brightness variation (barely perceptible to the human eye), which disappears when normal operation resumes."

So there you have it. It's basically down to the physics of how an LCD panel works at varying refresh rates. While I agree that it is a rare occurrence, there are some games that present this scenario more frequently (and noticeably) than others. If you've noticed this effect in some games more than others, let us know in the comments section below.

(Editor's Note: We are continuing to work with NVIDIA on this issue and hope to find a way to alleviate the flickering with either a hardware or software change in the future.)

http://www.pcper.com/reviews/Editorial/Look-Reported-G-Sync-Display-Flickering

https://www.youtube.com/watch?v=ujgRjsmwtgY
 
Yer, it isn't something I have noticed but then again, not something that would bother me on a 0 frame loading screen. I did chuckle at this comment.

CgiRF4TJV.jpg


Was that you Shanks? :p

:D
 
Gregster said:
Sweet. Maybe I will post issues I find in AMD threads to bring it up :D
Click to expand...

Well it gives people a in sight if they also been getting it and thinking is something up.. Maybe even going as far as sending it back to OCUK for example, thinking its a display issue.

Reason for my post! to bring it into light to users here. I could very well created a new thread if I cared that much...

Why you making something bigger than it is? :rolleyes: What because I use AMD GPUs I can NOT bring Nvidia news to people?

come on Greg!
 
Do we have any owners who have noticed this issue of the 0 frame flicker? I have really tried to see it but maybe I am just not seeing it?

Any other owners who want to be added to the OP as well? I am sure there is quite a few of you out there.
 
What is interesting is, pcper's testing shows that it is the screen relaxing to white as it nears the maximum time it can display the image, 33ms = 30fps, so all these claims of "freesync will work at 9fps", not looking too hot now
 
I see it during loading screens mostly in Dota 2, but it's a loading screen so it doesn't bother me in the slightest. More surprisingly I thought this was common knowledge? There must have been a few pages in the ROG Swift thread about this and people discussing it at the time of release.
 
A new owner here, pitching to join the club. :cool:

AOC G2460PG 24" Widescreen G-Sync 144Hz 1ms Gaming LED Monitor - Gunmetal

I think I've noticed a bit of screen flicker too, but the fact I say "I think" tells you all you need to know... if it's there, it's barely noticeable.

I can't say that G-Sync has been a revelation yet, simply because I haven't had time to test properly... but first impressions are very positive. Since I bought the screen I've mostly played Crysis 3 with the refresh rate set at 120 and the game hovers between 70 and 90 fps and is mostly buttery smooth. The only point I noticed any judder was in areas of long, swaying grass. Frames had dipped to 40-50 at points so obviously my 970 was taking a bit of a pounding.

As I say, first impressions are very good indeed.
 
Deceptor said:
I see it during loading screens mostly in Dota 2, but it's a loading screen so it doesn't bother me in the slightest. More surprisingly I thought this was common knowledge? There must have been a few pages in the ROG Swift thread about this and people discussing it at the time of release.
Click to expand...

The only time ive seen it is when alt tabbing out of a game and back in, it does it for a couple of seconds while the game sorts its self out
 
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