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6950 sapphire graphic glitch

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n1co

Registered
Joined
Sep 4, 2011
Location
East Yorkshire UK
Hi guys I have a Sapphire 6950 dirt 3 edition card, with the unlocked shaders. I recently download trixx and upped the card to 6970 specs
880 core clock
1375 memory clock
1150 gpu voltage (also tried it at) 1175
But after playing for sometimes 15mins sometimes 30mins this happens
IMAG0033.jpg
I have no idea why it happens the temp of the card under load is normally around 60-65 degrees Celsius.
Any ideas anyone ?

System specs
Windows Ultimate x64
AMD Phenom II x4 970 3.8GHz Black
Sapphire 6950 (6970) 2GB Dirt3
Asus M4A89GTD PRO
Corsair 8GB XMS3 PC3 1333MHz
Corsair Force 3 120GB SSD
Asus Xonar DG 5.1 Soundcard
Powercool 650W PSU
 
I have this EXACT same problem which happened for the first time a few days ago (and again just now). Searched google and came across your topic.

Sorry I don't have any solutions for you, but maybe by posting additional information someone can work this out:

* Glitch has only happened when playing World of Warcraft, GPU temperature is usually at a steady 64C (56C right now idle - it's Summer in Australia).

* To revert the screen back to normal, a resolution "fast-swap" does not work, nor does logging out of Windows and back in. Putting the PC to sleep and waking it up again, or restarting the PC does make the screen go back to normal.

* Built my PC at the beginning of the year and have had no problems up until now. Had unlocked shaders right from the start but have not overclocked the card.

* When the issue occurred for the first time, the screen would "jump" to the right by about 100 pixels every 4 seconds. When it happened again just now, the screen did not move.

PC specifications:

GPU: Sapphire HD6950 2GB GDDR5 PCI
CPU: i5 2500k
MB: Asus Z68-V-GEN3
PSU: Corsair HX-650
RAM: G.Skill DDR3-1600 8GB
 
Yeh really annoying, only really happened on Battlefield 3 for me because thats all im playing at the minute, good to know it not just one game. There are plenty of other users with the same card on the forums so who have overclocked above the stock 6970 and not had problems as far as I know. One time I left the game running for approx 15mins and the screen went back to normal, all other times I have had to reset my computer. Anyone know what the problem is ? Thanks for the reply Wavarian
 
This happens to me as well, and it appears to only happen while playing DX11 games (BF3, Arkham City, Civ 5), and usually after playing for a while (1hr+), but it doesn't happen regularly. I have been able to correct the problem by changing the monitor resolution or switching default monitors through the desktop resolution settings (from TV to Computer Monitor).

Are you using the DVI port? I feel like this never happened when I used a 42" TV as my default monitor and connected it via HDMI, but after I switched to doing dual (TV is now for watching movies and whatnot from my couch), I use the monitor via DVI and it has started to happen.

It has not yet happened during ANY DX9 game.
 
Yes im using DVI port, I am have been playing BF3 for about 45mins @ 880/[email protected] v 65deg and its been fine so far... Probably just jinxed my self. Hopefully more people with the card will tell us if they are having problems
 
I'd be willing to bet it's a problem with the DVI port, because it never seemed to happen when I was using HDMI.

To test it, if it happens again for me, I'm going to change my monitor to run through HDMI..
 
Ok plugged HDMI lead in and its not outputting to my full resolution, its showing as 1920x1080p in control panel and in AMD vision control settings. Its missing about 20mm of display all the way around ???
Anyone ....
 
A similar thing has happened to me on occasion (not often) on my 6850 @ 900MHz core and 1200MHz memory. I dropped my memory down to 1190MHz and haven't seen the problem since, however I wouldn't guarantee that it is fixed unless I don't see it again in a month's time. I've seen it in games that use DX11, 10, and 9, and it doesn't seem to be related to temps in my case, as my card stays very cool even under load. I have never seen it happen in a benchmark or Furmark test, only in games.

I'm also not sure about this, but I believe that it is related to the memory clock being too high, so adjusting core voltage/clock will probably not affect it.
 
Ok plugged HDMI lead in and its not outputting to my full resolution, its showing as 1920x1080p in control panel and in AMD vision control settings. Its missing about 20mm of display all the way around ???
Anyone ....

In the Catalyst Control Center, expand the "My Digital Flat-Panels" category and select "Scaling Options". Move the slider over to "Overscan".
 
A similar thing has happened to me on occasion (not often) on my 6850 @ 900MHz core and 1200MHz memory. I dropped my memory down to 1190MHz and haven't seen the problem since, however I wouldn't guarantee that it is fixed unless I don't see it again in a month's time. I've seen it in games that use DX11, 10, and 9, and it doesn't seem to be related to temps in my case, as my card stays very cool even under load. I have never seen it happen in a benchmark or Furmark test, only in games.

I'm also not sure about this, but I believe that it is related to the memory clock being too high, so adjusting core voltage/clock will probably not affect it.

Thats good to know Aldakoopa so its not just on the 6950 where this issue is happening. I guess I will just have to play with each of the settings until it behaves properly.Aldakoopa Please let me know if you have this problem after turning down the mem clock.
 
It just happened to me again while playing Skyrim, I hadn't even been playing for 5 minutes this time, but most other days I could play all day and not have one bit of trouble. I'm going to try something else now and see if I can get it to stop.
 
Now I've reset to the stock clocks because I started to see lines across my screen. I'm back to 820/1100 factory overclock and I'll see if anything strange happens now. I've never seen lines like that before... I'll see what happens I guess. Technically I shouldn't see any problems whatsoever, unless there's something wrong with my card now.
 
hi guys its been a while since the last time i visited this site.

here we go. first off i think that problem is called artifacts. this is what i do when i experieced those problems. i removed the gpu. clean the chip pin using a eraser " the one you use for pencil " i use a blower to blow off the dust inside the chip. and put it back " make sure you do it right " and finally going back to the software issues. i solved it by going to : device manager go to display adapters select the driver of your gpu UNINSTALL it theres an option to tick to delete driver software tick that , then use driver sweeper " select amd display and sweep it " this software removes all hidden files of amd or whatsoever drivers. now before booting up the windows you should have your O.S cd with you and boot to that dvd then you should press f8 and choose repair your computer. then start up repair. then after then you install the cd that comes along with your gpu BUT dont update it after installing it. some gpu's are going crazy with updates ive experienced one 6850 that goes okay with v11.10 but gets BSOD most of the time with v12.1 and up.

mostly this problem is due to a startup issue. the driver is detecting properly but theres some files that cant be read on startup. please also try to check the cables. most of the times i see lines or artifacts on my display when the hdmi cable is not properly installed.
also a quick tip for hdmi / dvi users please switch on your monitor/lcd/led whatever before switching on your computer as this causes problems when your gpu tries to detect which display you are using. theres also an option on your bios to select which gpu to init. first it goes PEG/PCI/PCIx16 select pcix16.
 
hi guys its been a while since the last time i visited this site.

here we go. first off i think that problem is called artifacts. this is what i do when i experieced those problems. i removed the gpu. clean the chip pin using a eraser " the one you use for pencil " i use a blower to blow off the dust inside the chip. and put it back " make sure you do it right " and finally going back to the software issues. i solved it by going to : device manager go to display adapters select the driver of your gpu UNINSTALL it theres an option to tick to delete driver software tick that , then use driver sweeper " select amd display and sweep it " this software removes all hidden files of amd or whatsoever drivers. now before booting up the windows you should have your O.S cd with you and boot to that dvd then you should press f8 and choose repair your computer. then start up repair. then after then you install the cd that comes along with your gpu BUT dont update it after installing it. some gpu's are going crazy with updates ive experienced one 6850 that goes okay with v11.10 but gets BSOD most of the time with v12.1 and up.

mostly this problem is due to a startup issue. the driver is detecting properly but theres some files that cant be read on startup. please also try to check the cables. most of the times i see lines or artifacts on my display when the hdmi cable is not properly installed.
also a quick tip for hdmi / dvi users please switch on your monitor/lcd/led whatever before switching on your computer as this causes problems when your gpu tries to detect which display you are using. theres also an option on your bios to select which gpu to init. first it goes PEG/PCI/PCIx16 select pcix16.

I don't believe the picture the OP posted is artifacts, I think that's called screen tearing. My last post involved lines going across the screen that could be artifacts, but previous to that I was having the same screen tearing issue as the OP. I haven't once had it BSOD because of it though. But I'll try driver sweeper and try reinstalling to 11.10 because I didn't have any problems with that version either.
 
one more thing you mentioned that you undervolted your cpu. try to set it on auto or its stock settings. then check again.
 
one more thing you mentioned that you undervolted your cpu. try to set it on auto or its stock settings. then check again.

My CPU is completely stable at it's voltage, and I'm never setting it to auto again ever since it ended up at 1.4 volts on stock settings, and the temperatures that come with it. This issue was happening before I ever undervolted my CPU and is completely a video problem.

I would like to say though, I believe I was wrong in my first post about it being a memory problem. I was still having the problem after lowering the memory clock and that should have been my first giveaway. :facepalm:

I'm actually pretty sure it is a problem with the core speed now, I don't think I'll be able to say I can confirm it yet though since it is such an intermittent issue that you never know when it will happen, and it only seems to happen in games for me. If I go another month or so without any issues now, I'll feel safe to say that it is 100% the cause of this problem. I lowered the settings back down to stock and have been gradually raising them again, starting from scratch. I left my memory alone and I'm slowly raising the core speed and I'm going to see if it alone is the cause for this problem. Currently it's at 875MHz and the memory is stock. I think I might just raise the core up to 900MHz again alone and see if it happens again, then drop it back down and raise my memory to 1200 again and see what happens. I'll post back here when I believe I have found it.
 
Well, with some more testing, it was actually both my core and memory speed that were slightly unstable... both of them cause it at the speeds they were at. So, I'll be overclocking backwards now: Gradually lowering the speeds individually until I finally find constant stability in games.
 
Thanks for keeping us informed, I have core clock at 890, mem clock 1320 and voltage at 1.175. I lowered the mem clock down and the core clock a little and haven't had any problems, but I haven't been playing much recently. I will have to test it more now that I have some free time.
 
I have my toxic also with the unlocked shaders set, and get good stable clocks, however, I can't stay stable over 940 on the gpu, regardless of upping my voltage to 1.3.
The memory can take more but I keep it at 1350 as per CCC max setting.

I have a feeling this is caused by unlocking the extra shaders, these 6950's can do them, but not all of them are 100% stable, especially with games like bf3 that are very taxing on the gpu.

Maybe you should lock those shaders again and see how far your overclock will go without the screen going overlapping on the side.
Also you can try disabling properties for your digital flatpanel in CCC "my digital flatpanel" or play with the settings, it influences the way your screen is zoomed and/or filled completely.
 
Sorry when you say "lock the shaders again" what do you actually mean by that.
Also do you use any other programs to OC apart from TRIXX ?
Thanks
 
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