Great! My New 780ti's are faulty...

zazally

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Apr 24, 2012
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I must be the unluckiest person in the world. I just bought these 2 gigabyte 780ti windforce overclocked edition cards and my games instantly freeze when the game starts causing a kernel driver error. If SLI is disabled games will work perfectly with no freezes/driver crashes. I found a fix though I think. Usually my games would freeze instantly with SLI enabled.

I did every test I could think of. I tried different PCIE slots on my board, I used DDU multiple times to try older drivers, I put new thermal paste on my CPU, I dusted all the slots and cleaned them. I even did a memtest for 10+ hours with no errors. I finally figured out a fix though since I was able to play one whole game/map of Battlefield 4.

I am relieved and a bit upset at the same time since I know how to fix it, but I shouldn't need to do this. I used MSI afterburner and reduced the core clock speeds by 50mhz. Games run perfectly now and everything is fine. My power supply is a 1200 wat corsair which is only a week old so it can not be a PSU issue. Should I RMA these cards? Or not bother. I can still max any game out and it is smooth, but it is awkward I need to reduce the clock speeds by 50mhz to be able to run games in SLI. Do I need to use MSI afterburner every time I turn on my computer before I game? This is really weird. Anyway I haven't had a stable PC for the past couple of months and I can say I am glad to say I think I have finally fixed the issue. Thank goodness.
 

xTempered

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Some of these can only be overclocked & overvolted so much since the card is designed to run at near its capacity straight out the box. Not 100% sure though and you most likely know more on this than me but I would still RMA them just to be sure.

Edited.

Also you can save settings on afterburner so it'll stay at the slower speed.
 

zazally

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Apr 24, 2012
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Thank you so much xTempered for your reply. If I do replace these cards, I may get another pair of cards having the same exact problem LOL! To be honest I don't see any performance hit reducing the clock speed by 50mhz.
 

zazally

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When you think you have fixed it. Another problem happens. Seriously I donate money to world vision and I still get cursed. I guess the term bad things happen to good people happens way too often and it is not good. I am getting a DX error now. People tell me to reduce some memory clock also, but MSI afterburner wont let me. It is very weird. The DX problem I got is DirectX function "GetDeviceRemovedReason" failed with DXGI_ERROR_DEVICE_HUNG ("The device is hung which is typically caused by issues in the graphics driver or alternatively the application"). GPU: "NVIDIA GeForce GTX 780ti", Driver: 33788

I still think it is a GPU issue. It is a common issue that gigabyte do not test their cards and their overclocks are unstable causing people to down clock their cards do THEIR work just to get their GPU's running.
 

Gaidax

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RMA them immediately, if they are not working properly at the factory settings, it won't get any prettier with time. Downclocking is not :"fixing" it - it's more like confirming that GPU can't run at factory settings and the problem is with the card.

Also, I as well considered purchasing Gygabyte's 780Ti GHZ or OC edition, but then I seen all the huge threads about how shit those were with all the issues like yours and thankfully I did not get it - it seems as a whole Gigabyte has issues with those cards, especially their 780Ti GHZ edition.

If you can somehow get anything other than Gigabyte at this point, you should do it. I hear EVGA makes good stuff.
 

zazally

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Apr 24, 2012
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Arghh! I purchased a saphire r9 295x2 a month ago from them. That card had problems and I was fed up with AMD so I tried Nvidia for once. I was an AMD person for life, but I wanted a change. Not blaming Nvidia, but I am going to get my 1800 dollars back and go shopping at another store.
 

Cristi72

Admirable




Very good PSU, no problems there.

If you're not in a hurry, try to verify the cards on other SLI-capable motherboard. On your setup, you used first and third PCI-E slots, as the manual recommended?
 

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