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SAPPHIRE HD 7970 non-stop flickering and timed out screens - Page 2

post #11 of 18
Thread Starter 
Would disabling flash acceleration like its said in that post, also effect your computer when you aren't using a browser? For instance, I thought that flash acceleration stuff was only in effect when you are using a browser. See the biggest issue or gripe I have besides random flickering, is this insane flickering upon start up into Windows 7. It's very odd. I may try to capture it soon enough to show on here.

By the way, I've seen talk of the Afterburner by MSI beta in that thread. I currently just use CCC. Should I download MSI Afterburner beta in order to help get rid of the flickers?
Edited by Vitaminx - 11/11/13 at 4:51pm
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post #12 of 18
Quote:
Originally Posted by Vitaminx View Post

Would disabling flash acceleration like its said in that post, also effect your computer when you aren't using a browser? For instance, I thought that flash acceleration stuff was only in effect when you are using a browser. See the biggest issue or gripe I have besides random flickering, is this insane flickering upon start up into Windows 7. It's very odd. I may try to capture it soon enough to show on here.

By the way, I've seen talk of the Afterburner by MSI beta in that thread. I currently just use CCC. Should I download MSI Afterburner beta in order to help get rid of the flickers?


The main culprit or identifiable reason is flash accel. However what is the real problem is gpu acceleration and that can take form in a number of apps, browsers, media player to game login screens. When gpu acceleration is called for, it kicks the gpu into a different powerstate. More often than not, the app that started the call was not developed with Powertune states in mind so it cannot keep the gpu in that state, so you end up jumping into and out of X powerstates. Powerstates are pre-defined clock frequencies for X purpose. Flicker happens when clock frequencies change on the desktop, ie. from changing powerstates. Thus you see this flip flopping of powerstates as flicker. And in a lot of cases where the card is supposed to be in an UVD powerstate but it is instead stuck in a wrong state for video playback, the gpu output controller crashes. When you see that messed up screen, your rig is not locked up. The output is just garbled. Simply push the power button once to let it shutdown.


As for the flicker, the easiest way I've found to defeat it is to use unofficial overclock method, with the Powerplay bypass option. Watch the video, I demonstrate the difference between with and without Powerplay support. The choice is obvious imo.
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post #13 of 18
Thread Starter 
OK, I'll give it a try. And just some more information while I'm at it; I completely took out the video card from my computer and am running solely off my onboard graphics. I still have the annoying flicker upon Windows 7 start up. Does this clearly indicate a driver related issue? The reason I'm asking is because I did indeed have an RMA set up for this card since last week but have been hesitant to do anything with it as of it. I just wanted to completely weed out issues with the drivers if possible and solely say the card is at fault. I'd hate to send this card in for weeks only to have it be sent back with 'no problems detected'.
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post #14 of 18
Thread Starter 
Here is a video I just recorded of the flicker I always get on start up. And the random flickers I obtain during use are like this as well. The odd thing is, I pulled the video card and deleted the drivers, and yet I still get this flicker on start up. However, I do not get the ongoing flickers I used to get while using the video card. So this seems unrelated somewhat. Either way, I figured it would be helpful in showing what my issue is and also in pointing out that in my case the flicker on start up doesn't seem to be caused by the drivers. Any idea what would cause that flicker on start up?

http://www.youtube.com/watch?v=r3wllHyGTtI
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post #15 of 18
Quote:
Originally Posted by Vitaminx View Post

Here is a video I just recorded of the flicker I always get on start up. And the random flickers I obtain during use are like this as well. The odd thing is, I pulled the video card and deleted the drivers, and yet I still get this flicker on start up. However, I do not get the ongoing flickers I used to get while using the video card. So this seems unrelated somewhat. Either way, I figured it would be helpful in showing what my issue is and also in pointing out that in my case the flicker on start up doesn't seem to be caused by the drivers. Any idea what would cause that flicker on start up?

http://www.youtube.com/watch?v=r3wllHyGTtI


Anytime clock frequencies change on the desktop you will see it in the form of a flicker. Upon boot your clock frequencies changed by for whatever reason, AB, etc etc. A (mild) flicker on boot/entering the desktop is not a big deal and basically unavoidable, but mass flickering is definitely an issue. Did you make any changes, follow the guide, or other?


Btw, after log in is when the driver applies powerstates, ie. clock speed changes.
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post #16 of 18
Thread Starter 
I did not try anything as of yet. I was going to follow the guide thoroughly tomorrow as I'll have more time to sit down and work on it. I guess the reason I was a little confused by the flicker upon start up is because I never had a flicker like this on my past build at start up. It seemed to load everything smoothly without any flickering. So, I wasn't sure if there was an underlying problem or not.
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post #17 of 18
Thread Starter 


Here's my current default setup. Do I leave the unofficial overclocking mode as disabled or change to without powerplay support? Also, I should disable ULPS, right? Other than that, that's all I really see that needs to be modified here, I believe. Unless I'm missing something else. Do you have Catlayst Control Center load upon windows startup as well as MSI Afterburner?
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post #18 of 18
Thread Starter 
By the way, what would be a decent overclock as well?
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SAMSUNG 840 Pro Series 256GB  2xSAMSUNG Spinpoint F3 1TB ASUS 24X DVD Burner Thermalright Silver Arrow SB-E 
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