GFX card issues!

[Ace Modder]

Hey guys.

I have 2 x GTX 780s under water, and overclocked to 1198mhz on the cores and 3460 on the VRAM.

REcently I have noticed that when I game for a while then come out of a game, occasionally I get glitches in Chrome.

It looks like a VRAM issue, but running heaven and skyrim heavily modded so both cards are running full chatt. There is never any problem in the game.

I thought maybe that the VRAM speed is dropping too much after a game closes, thus causing the GFX to become unstable.

If so, how can I stop this from happening. I don't think my cards are faulty as in games, and benchmarks I'm not seeing any problems.

Here is an example of what I get afterwards.



I only get this after my cards have been running in a game I think (not noticed it other wise) any ideas if their is any way to reduce amount my VRAM is dropping after I close any 3D apps. (games and benchies).

If I reboot then the problem goes away and I've not seen it again until I have gamed again, then closed the game down.....

 

[Ace Modder]

Well I thought that too Stelly, but I upgraded to latest NVidia BETA driver tonight, seeing if that would fix it but it hasn't. The BETA driver came out yesterday.

I did get this also earlier tonight before I upgraded to new BETA drivers.



That is not in chrome.

 

[Ace Modder]

Well I have Windows 8.1 already.

I ahve installed nv inspector and set the P8 state to increase the mins VRAM speed from the default of 325mhz to 508mhz.

I will try that and see how I get on... the glitches dont happen all the time, so it maybe tomorrow before I see any glitches, plus CBA gaming for any more tonight.

 

[Ace Modder]

I've re-installed chrome just in case.

 

[Ace Modder]

hmmmmm

I unplugged my second GPU ran skyrim for an hour, came out. Windows functioning 100% fine for 3 hrs.

So put the 2nd card back in, and even tried a new SLI bridge connector. Anyway played skyrim for a couple of hours. Worked flawlessly. Closed skyrim. Within 2mins this....



I'm 99% sure my 2nd card is faulty.

I'm going to remove my primary card, and try running my PC with just my secondary card in now.

BRB!

 

[Ace Modder]

Well its booted up fine now with my secondary card only plugged in, gunna try a bit of gaming and see if I get the glitches afterwards

 

[Ace Modder]

Well interestingly no problems running only my secondary card as well now.

So I think you maybe rigth that driver problem may have caused this, but only issues after SLI has been used in games.

I just ran DDU and found a mixture of driver versions and strangely 3 GPU's found - at the time only 1 was plugged in.



Anyway I've removed the drivers now, reinstalled both cards and downloaded and installed the lastest drivers again (was the ones I was on anyway) Hoepfully this will resolve my issues.

 

[Ace Modder]

hmmm, well I have had an hour on Skyrim, come out and noticed no glitches. they would have happened by now.

However I think I know 1 other thing that may have been causing it...
The END mod for skyrim the author suggests keeping v-snyc disabled for some reason, I had it enabled in the Nvidia control panel, overwriting the mod disabling it.

That could have caused the glitch issues. TBH the only game I tried was skyrim.

 

[Ace Modder]

OH really?




Anyway, seems that my problem is fixed now, so thank god it wasnt a hardware problem. Damn drivers.!

 

[Ace Modder]

Thanks to you for the help.

 

[Ace Modder]

DDU is just so damn awesome, on both AMD and Nvidia!

Indeed, never used it before. But well recommended now!

I was gonna suggest a new power supply. Perhaps something nice from Corsair's range

Why would I want a PSU made by cheap low end OEM like CWT? Sigh!

I'm currently rocking a nice 1200w Antec HCP PSU - which 8 pack gets all his world records with!

 

[Ace Modder]

AX1200s are great PSU's, they are made by Flextronic. I would be happy to use an AX series PSU (not AX-i though - I prefer analogue to digital)

However Corsairs more entry level units, and newer products are mostly made by CWT.
The models I would not use are:-

VS Series - CWT OEM
CX Series - CWT OEM
CS Series - Great Wall OEM
GS Series - CWT OEM
TX Series - CWT or Chircony OEM, depending on wattage
RM Series - CWT or Chircony OEM, depending on wattage
HX Series - CWT OEM

The AX and AXi are made by either Seasonic or Flextronic, both are very good OEM manufacturer.

 

[Ace Modder]

well cards are fine. Set new overclocks.