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BaiHu
01-17-2015, 03:26 AM
Update 01-07
At first glance, it looks like this may be either an nVidia driver issue or related to a glitch in some ASUS-installed software. At least one other non-nVidia user from another forum attributed this to the ASUS GameFirst suite (http://answers.ea.com/t5/Mass-Effect-3/FPS-stutter-on-new-gaming-laptop/td-p/4090585/highlight/false), which I have uninstalled. Further, nVidia forums show many complains of potentially similar issues with recent driver versions (https://forums.geforce.com/default/board/33/).

I have rolled back my driver and uninstalled the GameFirst suite. I am still experiencing the below-linked stuttering issue with a particular benchmark test - BurnInTest 8.0 - but am continuing to try to replicate the issue in other games. I will keep this post updated.
-End Update-

This is a resurrection of my old thread...it seems unfortunately that I'm not the only user experiencing this issue....

http://answers.ea.com/t5/Mass-Effect-3/FPS-stutter-on-new-gaming-laptop/td-p/4090585/highlight/false (Edit: Updated to correct URL)
https://forums.geforce.com/default/topic/802548/geforce-mobile-gpus/gtx-970m-mass-effect-3-issues/
https://mega.co.nz/#!jMY2BQ5a!p2BLN3k-aDAuKOtXnkUqJaJkUs6GraX3oiCmcz5xKKY - ShadowPlay video of the issue. (Edit: Added URL of ShadowPlay video taken from my system when experiencing the issue in a benchmark tool.)

Looks like other G751 users of varying model tiers are seeing periodic frame drops in some games at intermittent periods. The video posted on the nVidia forum shows this issue pretty clearly.

I've monitored my GPU and CPU temps and well as my overall system health, upgraded my BIOS(v205)and video drivers(v347.09) per ASUS support recommendation, and even performed a complete factory restore. None of these steps have resolved the issue. I am currently in a back-and-forth with ASUS Support to try and track this issue down. I am hesitant to RMA the laptop as the issue is intermittent and may not be discovered during the RMA testing process. Further, I bought this laptop before Thanksgiving as a gift for the family and am unable to return it to the retailer.


Outside of this intermittent graphics issue, the laptop performs amazingly and has generally outstanding build quality. That being said, I am at a loss with how to proceed with this issue that other owners of the ROG series seem to be experiencing.

Is anyone else in the same boat as me?

fabrimacator21
01-17-2015, 03:56 AM
Well, I have noticed a pretty noticeable pause when playing x plane 10.... I'm going from running at a steady 80 fps to a hardcore stutter. The fps counter is so fast that I can't really tell what it dropped to. Its only for a second and usually by the time I look at the fps counter, its back up to 80 fps. Hmscott told me it may be a hard drive/loading issue but after running queitHD to keep the hardrive from shutting off it still seems to be an issue. Its definetly got plenty of Vram left and GPU utilization has never gone over 80% so no issues there. Hmscott also advised me to try turning off the hyperthreading cores and check to see how taxed the only active core is but I haven't had the time yet.

People on the x plane forum have faster processors, ssd's, and big dog gpu's report the same issue with that game though so I am at a loss.

BaiHu
01-17-2015, 04:16 AM
For my system, I'm running off of the SSD so its certainly not a spin-down situation for the drive spindles. GPU-Z and CPU-Z report appropriate temperatures, voltages, and utilization numbers based on the tasks at hand. Maybe two-thirds of the time my system plays games *wonderfully*, showing the same temperatures and utilization metrics as when I'm experiencing the error.

Other users in other forums have suggested perhaps ASUS software as the root-cause. I've attempted uninstalling ASUS software to determine if the issue re-occurs. Based on Windows' ResMon utilization metrics, GPU-Z, CPU-Z, HWiNFO, and other such system diagnostic tools it does not seem like this is a readily-detectable hardware issue. Perhaps there is a problem with the bus between storage and graphics chipset? Or perhaps there is ASUS-specific software interfering with the nVidia driver?

I am at a loss for how to consistently reproduce this issue or for how to troubleshoot or resolve this problem.

sk3tch
01-17-2015, 04:50 AM
From your NVIDIA forum thread above - you see it in Furmark...any other benchmark or "free" test programs that we can run to see if we are affected? I have a G751JY-DH71 and I have not experienced it. I have only had it since last week - and I play mostly Battlefield 4 and PlanetSide 2...

hmscott
01-17-2015, 05:30 AM
Guys, if you are getting pauses in games and you ruled out everything else, there is likely only one source for the problem, the Nvidia driver. I heard some people early on with 347.09 complaining of performance glitches, so that might be it. I would drop down to the previous WHQL and test again - you may loose top end performance but if it is stable performance it may be more usable.

I haven't used the Asus Gaming Center or ROG Game First III, so I can't comment on what it does/doesn't do to affect performance - but just like the Geforce Experience it lets you make performance tuning settings, and updating the utility can change/reset settings - so always double check after an update and reapply / set your performance tunings.

Same goes for Custom=> Clean installs of Nvidia drivers, your 3D performance settings get reset to default - and they default to power saving modes:

Check to make sure your 3D global settings are being used:

45560

Check to make sure your 3D Global performance settings are set:

45561

And, make sure any game/app specific settings are set:

45562

If you are still getting glitches, it might be game specific and need a specific tuning fix for that game. A number of new games have come out with performance issues that are bad even on high end desktop systems, it might take a few months of patching to solve them.

Whenever you find a good tuning fix, please post a top level Thread with a good Title and plenty of good searchable tags so we can find them :)

BaiHu
01-17-2015, 05:35 AM
I just managed to reproduce the issue in BurnInTest 8.0 Pro's 3D test. I am currently using a Trial version. The trial gives a 30-day window to test.

https://mega.co.nz/#!jMY2BQ5a!p2BLN3k-aDAuKOtXnkUqJaJkUs6GraX3oiCmcz5xKKY - ShadowPlay videoof the issue.
https://mega.co.nz/#!qMYDCLCJ!U5bPlMxqSx2JfoP3KFXdzIbUGUU9NbkxkSpq665 DYZU - Weird graphical corruption just after taking the ShadowPlay

I am currently using the DIsplayPort out to an ASUS 144hz monitor. I have, however, seen the same stuttering on the laptop itself with no second display hooked up as well as when using HDMI out. This was taken following the uninstall of the ASUS software suggested from other forums' posts. I will continue to try to replicate the issue with other free and non-free benchmarks to provide further ShadowPlay videos of the problem.

BaiHu
01-17-2015, 05:46 AM
Guys, if you are getting pauses in games and you ruled out everything else, there is likely only one source for the problem, the Nvidia driver. I heard some people early on with 347.09 complaining of performance glitches, so that might be it.

I will gladly give this a try. I'll report back after I perform a clean driver uninstall and revert to the system to a previous driver version.

Regarding your recommended performance settings, these have no effect on the very serious stuttering shown in-game. This is not a side-effect of low-framerates but is instead a fundamental issue with the 3D rendering pipeline itself - whether it be hardware or driver-related.



A number of new games have come out with performance issues that are bad even on high end desktop systems, it might take a few months of patching to solve them.

While this is of course true, these issues transcend game title, developer, and age. Further, there are reports of this issue from other G751 owners on other forums as well as potentially one more report in this thread. While I am absolutely thrilled with this system in every way, I would definitely like to bring attention to this issue until it is resolved. Whether its a driver issue or hardware issue, when one spends $3000 on a laptop, one expects this sort of thing to most certainly not occur with such severity.

hmscott
01-17-2015, 06:54 AM
Guys, there are lots of reports of stuttering with the 980/970 desktop/mobile with the 347.09 driver. Check out the feedback thread for 347.09

Official NVIDIA 347.09 Beta Driver Feedback Thread
https://forums.geforce.com/default/topic/796460/official-nvidia-347-09-beta-driver-feedback-thread/

Look for stutter mentions in the 42 pages, so far, for single gpu complaints. Desktop GPU's as well as mobile.

344.80 reported as reducing/stopping stutters.

Already posted / answered, but you can't OC with 347.09 beta/whql either... this driver has problems. If it works for you, and improves gameplay performance, then run it, otherwise if it is causing problems, backup to a previously known good driver.

It isn't unusual for a new Nvidia driver to cause problems for some games, while improving performance / features in others...

hmscott
01-17-2015, 07:20 AM
I just managed to reproduce the issue in BurnInTest 8.0 Pro's 3D test. I am currently using a Trial version. The trial gives a 30-day window to test.

https://mega.co.nz/#!jMY2BQ5a!p2BLN3k-aDAuKOtXnkUqJaJkUs6GraX3oiCmcz5xKKY - ShadowPlay video of the issue.
https://mega.co.nz/#!qMYDCLCJ!U5bPlMxqSx2JfoP3KFXdzIbUGUU9NbkxkSpq665 DYZU - Weird graphical corruption just after taking the ShadowPlay

I am currently using the DIsplayPort out to an ASUS 144hz monitor. I have, however, seen the same stuttering on the laptop itself with no second display hooked up as well as when using HDMI out. This was taken following the uninstall of the ASUS software suggested from other forums' posts. I will continue to try to replicate the issue with other free and non-free benchmarks to provide further ShadowPlay videos of the problem.

BaiHu, it would be helpful if you reported this to Nvidia, at least post about it as a reproducible example of the stuttering problem in the driver Feedback forum:

Official NVIDIA 347.09 Beta Driver Feedback Thread
https://forums.geforce.com/default/topic/796460/official-nvidia-347-09-beta-driver-feedback-thread/

If you don't see that problem in previous drivers, that would be good to mention as well.

BaiHu
01-17-2015, 02:51 PM
hmscott,

Thanks for the links - I didnt think to search the driver-specific forum posts. I'm not much of a forum surfer, really. I rolled back to 344.80 after a clean uninstall. I also came across instructions for enabling verbose driver logging - http://nvidia.custhelp.com/app/answers/detail/a_id/3171 - which may be helpful in tracking this down.

While this does appear at this time to be a software issue, I think its important that this issue be represented on these forums. For those that are not accustomed to trawling the internet for a solution to a problem on a new machine, this may be the first stop before returning a system unnecessarily.

I must reiterate, I am absolutely thrilled with this system! Build quality, performance, screen, and especially at this point the ROG community are all top-notch. Anyone reading this should not be dissuaded from purchasing the G751 series units. Be understanding, though, that there may be issues with nVidia's latest drivers and that the standard 'update your drivers!' line given by support representatives may not always be the best course of actions depending on the issue.

I will report back here as well as the nVidia forums if my stuttering issue continues.

Desmobrenner
02-01-2015, 02:55 AM
Hello,

i have the same Problem. I have a nearly stock G751jy... only Thing i upgraded was the Nvidia Driver 347.25.
For expample WoT does have this stutter, Company of Heroes 2 also. Bf4 for expample runs perfect.
I cant remember this problem was always... But i am using the laptop now more than before so maybe i did not recongnize it before.
Hopefully there will be a suloution soon. The system is soo good... everthing runs smooth beside this little issue.

Greeting
Robert from Japan

Northforge
03-07-2015, 07:45 AM
Is anyone else in the same boat as me?

Yup! https://rog.asus.com/forum/showthread.php?58736-TWO-G751-s-same-problem-scared-of-ROG&p=482000#post482000

Two G751 laptops, Livechat with Asus was short. They didn't diagnose it, but they did suggest returning the laptop. NVidia live chat also suggested returning the laptop. I exchanged it for another G751 and the problem remains. I just wish the cause could be isolated. At least with that there'd be some hope that a solution or workaround could be found.

Northforge
03-07-2015, 07:56 AM
Guys, if you are getting pauses in games and you ruled out everything else, there is likely only one source for the problem, the Nvidia driver. I heard some people early on with 347.09 complaining of performance glitches, so that might be it. I would drop down to the previous WHQL and test again - you may loose top end performance but if it is stable performance it may be more usable.

I haven't used the Asus Gaming Center or ROG Game First III, so I can't comment on what it does/doesn't do to affect performance - but just like the Geforce Experience it lets you make performance tuning settings, and updating the utility can change/reset settings - so always double check after an update and reapply / set your performance tunings.

Same goes for Custom=> Clean installs of Nvidia drivers, your 3D performance settings get reset to default - and they default to power saving modes:

Check to make sure your 3D global settings are being used:

45560

Check to make sure your 3D Global performance settings are set:

45561

And, make sure any game/app specific settings are set:

45562

If you are still getting glitches, it might be game specific and need a specific tuning fix for that game. A number of new games have come out with performance issues that are bad even on high end desktop systems, it might take a few months of patching to solve them.

Whenever you find a good tuning fix, please post a top level Thread with a good Title and plenty of good searchable tags so we can find them :)

Power management mode I can understand keeping power management on high performance. Multi-display on single display is debateable if you have a heavy multi-display set up. Texture filtering on default SHOULD NOT have any problems with games that ran flawlessly on my G74SX-DH72 560M on same settings. Overclocking as well. I haven't overclocked mine, and it should not be necessary to achieve stability with unmodded Skyrim.

Northforge
03-07-2015, 08:00 AM
hmscott,

Thanks for the links - I didnt think to search the driver-specific forum posts. I'm not much of a forum surfer, really. I rolled back to 344.80 after a clean uninstall. I also came across instructions for enabling verbose driver logging - http://nvidia.custhelp.com/app/answers/detail/a_id/3171 - which may be helpful in tracking this down.

While this does appear at this time to be a software issue, I think its important that this issue be represented on these forums. For those that are not accustomed to trawling the internet for a solution to a problem on a new machine, this may be the first stop before returning a system unnecessarily.

I must reiterate, I am absolutely thrilled with this system! Build quality, performance, screen, and especially at this point the ROG community are all top-notch. Anyone reading this should not be dissuaded from purchasing the G751 series units. Be understanding, though, that there may be issues with nVidia's latest drivers and that the standard 'update your drivers!' line given by support representatives may not always be the best course of actions depending on the issue.

I will report back here as well as the nVidia forums if my stuttering issue continues.

And you haven't come back. 344.80 works then? Not seeing any 344.80 in existence. I'm still within return duration for my exchanged G751. I'll continue to exchange them until the end of time if I have to.

RO-mix
03-15-2015, 05:32 PM
I got stutter problem on a brand new G751JT with 970M with reinstalled 344.75 driver. It looks like that:

http://www.youtube.com/watch?v=kgdeUEGhmzM&feature=youtu.be

glasnost
04-30-2015, 10:35 PM
I had the same issue with mass effect 3. I removed Rog Gaming III and the problem doesn't happen anymore.

hth