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[TFTCentral] Acer Predator XR341CK 34" Curved Gaming Screen with G-sync - Page 478

post #4771 of 6126
Quote:
Originally Posted by Smokey the Bear View Post

I wonder how common this issue is. I put my eyes against my screen and looked on light grey surfaces, and was actually able to spot more of these lines all over my monitor, but they are essentially invisible at arm's length. Even an inch away I was struggling to find them and when I'd notice them I'd just as quickly lose sight of them. Maybe it's inherent to these GYSNC modules while OCed, but varies in intensity. I am contemplating an RMA myself now but am not sure of how Acer is and if they'll just send me the same monitor back or if all the monitors will have this issue and that mine is minor/worth holding on to. I think sending it to NCIX is out of the question.

Have you tried GSYNC on/60hz with OC mode enabled? or 65Hz?

The visibility of the lines do vary. Very bright or dark areas make them impossible to see unless you have your nose pressed against the screen. However, areas of contrast, or large solidly coloured areas show them up quite dramatically so that even when sitting 1m away from the screen they are both visible and distracting.

I have tried g-sync on/60hz with OC mode enabled and I get the lines. I turn off OC but keep the same refresh and the lines go away.

Not all programs show them up in the same way. I first noticed the lines in the solid green landscapes of Kerbal Space Program. Playing Batman Arkham Asylum they show up in the bright areas of the energy gates (as seen in the pics above), but are hard to see/invisible elsewhere. In Unigine Heaven I care barely discern them in the sky in some shots. But in Unigine Valley they show up all over the place - normally against dark green or grey blurred landscapes.

The most obvious place I have seen them - because it is a static scene - is nvidia's own g-sync pendulum demo. They show up dramatically clearly in the left hand pillar and in the shaded area of floor under the pendulum. Because the software allows you to switch between g-sync and non-g-sync easily it is really simple to turn the lines on and off.
post #4772 of 6126
BIG UPDATE for old GTX in SLI with Gsync

if you are having issue, mostly with old games, with SLi+Gsync I have this "temporary" solution

remove drivers completely
go download 337.50 drivers (latest drivers for Series 6xx and 7xx before Maxwell came out)

do a clean install and
...voilà
for me it worked - all game back to 60 FPS with Gsync enabled and SLI enabled

the are 2 negative facts thought
1) max refresh rate is now 60 not 95hz
2) not all profiles available
tomorrow I will try more driver releases to see if one of the recent is working fine
Edited by BethorMorgan - 10/28/15 at 4:08pm
post #4773 of 6126
Quote:
Originally Posted by BethorMorgan View Post

Guys

I've found another BIG issue
all the test below done at max resolution (3440x1440) or 2560x1440 with latest driver from nvidia 358.59

First game I've tried: Dragon Age Origins (21:9 native support)

If i use 2x GTX 670 in SLI with G-sync, look at figures here below

single GTX 670 - Gsync disabled - 28-30 FPS
single GTX 670 - Gsync enabled - 25-32 FPS
basically no delta performances

but when I go in SLIDE ...
2x GTX 670 SLI - Gsync disabled - 60+ FPS
2x GTX 670 SLI - Gsync enabled - 5 FPS...yup 5 only !!


Same with Tomb Raider Underworld (only 16:9 supported)

is SLI enabled with Gsync = 5 FPS
disable SLI with Gsync ON and FPS are "normally" (LOW) values 24-30

enable SLI and disable Gsync and FPS are 60+
Additional tests done as suggested in other forums:

* 60 hz or 95 hz... always 5 FPS is SLI & GSync enabled
* Vsycn ON or OFF... always 5 FPS is SLI & GSync enabled
* Frame capped at 75, 60 or 30 FPS ... always 5 FPS is SLI & GSync enabled
* ALT-tab in & out of the game... always 5 FPS is SLI & GSync enabled

I'm really pissed off !...very good monitor and SLI+Gsync not usable !



now I'll test SC2 Heart of the Swarm but this looks like a real serious BUG from Nvidia drivers

any suggestions ?

Is that the latest hotfix driver. I read some posts back that there was an issue with g-sync and sli and that a hotfix beta driver fixed it.
post #4774 of 6126
i am willing to pay 50$ more to be able to flash the monitor firmwire myself
post #4775 of 6126
Quote:
Originally Posted by Techenthused73 View Post

Is that the latest hotfix driver. I read some posts back that there was an issue with g-sync and sli and that a hotfix beta driver fixed it.

the issue is with Nvidia 358.59-win7-64bit-HotFix-WHQL

tomorrow will do a lot of trial with different drivers release
post #4776 of 6126
Quote:
Originally Posted by heyguyslol View Post

Ok I set my Brightness to 80 last night and went to bed. Today I woke the monitor from sleep via waking my pc up and sure enough fullscreen lit up as it should be. So based on all the other ppl who have also tested and confirmed that the half black screen issue is related to the brightness setting being at or above 80 is True.

I'm thinking that this issue could be remedied with a new firmware update. The only problem I have with that is I do not want to pay for shipping and I do not want to be out of a monitor for a week or longer just to have to have my monitor flashed with a new firmware by Acer.

If that's the case I hope they can simply provide us with the firmware.

I just accidentally opened the service menu by going spastic on the OSD and cannot replicate it. The service menu had the option to enable "burn in" and provided FW infomation on GSYNC (FW 4.2), the panel(0.2), and more. It was some combination of buttons I can't figure out, but I also managed to move my entire OSD to the upper left side of the monitor at the same time that I opened the service menu.

I had to reset my monitor's settings to bring the OSD back to it's original place.
Quote:
Originally Posted by smoobandit View Post

Warning: Spoiler! (Click to show)
The visibility of the lines do vary. Very bright or dark areas make them impossible to see unless you have your nose pressed against the screen. However, areas of contrast, or large solidly coloured areas show them up quite dramatically so that even when sitting 1m away from the screen they are both visible and distracting.

I have tried g-sync on/60hz with OC mode enabled and I get the lines. I turn off OC but keep the same refresh and the lines go away.

Not all programs show them up in the same way. I first noticed the lines in the solid green landscapes of Kerbal Space Program. Playing Batman Arkham Asylum they show up in the bright areas of the energy gates (as seen in the pics above), but are hard to see/invisible elsewhere. In Unigine Heaven I care barely discern them in the sky in some shots. But in Unigine Valley they show up all over the place - normally against dark green or grey blurred landscapes.

The most obvious place I have seen them - because it is a static scene - is nvidia's own g-sync pendulum demo. They show up dramatically clearly in the left hand pillar and in the shaded area of floor under the pendulum. Because the software allows you to switch between g-sync and non-g-sync easily it is really simple to turn the lines on and off.

Please let me know how your replacement goes! I'm leaning towards the assumption that this issue is inherent to the technology.
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My System
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i7-4790k ASUS Maximus Formula VII EVGA 980 ti SLI G.skill Ripjaws X 2133Mhz CAS 9 
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Samsung 850 EK Supremacy EVO + Nemesis 280  EK FC-Titan X + RX360 D5 Vario + Bitspower Multi-Z 200 V2 
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Windows 8.1 64bit Predator x34 Ducky Shine 3 TKL MX Brown w/ Red LED EVGA 1000 P2 
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post #4777 of 6126
Quote:
Originally Posted by heyguyslol View Post

Ok I set my Brightness to 80 last night and went to bed. Today I woke the monitor from sleep via waking my pc up and sure enough fullscreen lit up as it should be. So based on all the other ppl who have also tested and confirmed that the half black screen issue is related to the brightness setting being at or above 80 is True.

I've woken from sleep maybe ~7-8 times now since getting my X34 setup on Monday. I've seen it fail to light up properly once (the first time) and my brightness is set at 27.
post #4778 of 6126
Quote:
Originally Posted by Amatyr View Post

I've woken from sleep maybe ~7-8 times now since getting my X34 setup on Monday. I've seen it fail to light up properly once (the first time) and my brightness is set at 27.


Most of the time when my monitor is set to 32 Brightness, my monitor wakes up perfectly fine but on occasion I do get the right half black screen issue that others have reported. I do believe this is an issue that can be easily fixed with a firmware update.
post #4779 of 6126
Quote:
Originally Posted by blueballs View Post

1790$ is in Canadian dollars. (sorry for the backorder)
After a few months of owning the swift I'm freaking bored of this ****ty monitor, and had to buy the x34 predator. I will probably end up selling the swift dirt cheap but I don't mind... so if you have the budget for this one go ahead and don't waste your time with the swift.


I take it colors lot better on x34 over rog swift? Anyone do color comparisons with xb270hu?
post #4780 of 6126
Quote:
Originally Posted by Searchofsub View Post

I take it colors lot better on x34 over rog swift? Anyone do color comparisons with xb270hu?

It is not, go look at CallSignVega's build log thread where he compares the 2 monitors side by side. They are practically identical when it comes to color.

http://cdn.overclock.net/a/a0/a0260e7e_IMG_0507.jpeg
Edited by MistaSparkul - 10/28/15 at 6:22pm
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