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NVIDIA GTX 750Ti / 750 (Maxwell) Owner's club - Page 285

post #2841 of 3171
Quote:
Originally Posted by MiniPurple View Post

i set it to stock and same problem, also 1411Mhz is not high at all, and idk if its artifacts because artifacts are flashing things on screen right? those color issues are barely noticeble, maybe its because my monitor has SmartImage and kinda oversaturate the colors.
PS: i saw some pictures of artifacts on games and they're like little points on the screen, but i have none of this, 100% clear image, its rlly on the texture, but not all of them, maybe its because its a low res texture combined with the color saturation, what u think?
PSS: My OC: 1411Mhz core and 6.6GHz mem effective, when i was trying 1450Mhz core and 6.8Ghz mem i saw some flashing lime green and pink on my screen in Killing Floor 2 when looking at 1 place, but i cant tell if its an artifact, game problem or my old broken monitor. (the 1450/6.8 was when i first installed the card)
Maybe you keep memory at 6.6 because this card cant go up than 6.8(or maybe but you need a very lucky memory chip) i remember Dark hit 6.9. I can get 6.65, after i get artefacts, try to get 1450 or higher without too mutch OC on memory.
post #2842 of 3171
Quote:
Originally Posted by Holographik View Post

Maybe you keep memory at 6.6 because this card cant go up than 6.8(or maybe but you need a very lucky memory chip) i remember Dark hit 6.9. I can get 6.65, after i get artefacts, try to get 1450 or higher without too mutch OC on memory.
i cant even get 1430 with stock mem frown.gif
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post #2843 of 3171
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post #2844 of 3171
Quote:
Originally Posted by Pointy View Post

http://www.overclock.net/t/1589410/evga-750-ti-acx-cooler-twin-fans-noise-fix

Fan Noise Fix for EVGA 750 ti ACX cooler


nice work dude, but i just like to leave my fans at 100%, 54ºC is way too high for me XD
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post #2845 of 3171
Quote:
Originally Posted by MiniPurple View Post

nice work dude, but i just like to leave my fans at 100%, 54ºC is way too high for me XD
54°C is very ok, i stay at 65 and 60 and is perfectly fine. at 85°C yes, you can worry. But with this card you will can get 90°C(i haved xd) with a big boost at voltage, 1500mhz with kboost activated on furmark. BOOM dead card!
post #2846 of 3171
The drivers have problems with OC? Because in GTA 5 all work fine(0 artrfacts), if i run need for speed most wanted 2012 i see a lot.of artefacts and i need to.lower form 1450 to 1100 mhz
post #2847 of 3171
i changed paste. saw 5-10 degree drop in temps. had to adjust my fan curve. now it operates in 50 to 60 c range.


And i cant get any more overclock on this. am at 1385/1500 stock everything but fans and boost table clock
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post #2848 of 3171
Quote:
Originally Posted by Holographik View Post

54°C is very ok, i stay at 65 and 60 and is perfectly fine. at 85°C yes, you can worry. But with this card you will can get 90°C(i haved xd) with a big boost at voltage, 1500mhz with kboost activated on furmark. BOOM dead card!

are you the person who decided to increase power limit to something like 150 to 200 watts? biggrin.gif
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post #2849 of 3171
Quote:
Originally Posted by Awesomeguy10578 View Post

Help! After doing all these overvolting and extended overclocking on my Gigabyte GTX 750 Ti Windforce, I got to 1405MHz 1.2V stable GPU in heaven for about 2 hours. thumb.gif Then I proceed to try mining LTC using CCMiner (X11) from LTCRabbit's website for about 30mins, it all worked fine and good and all of it posted higher "scores" then just to test I fired up furmark. That's when things started to get weird, before overvolting and only raising power limit to 200W furmark in the same settings (1600x900 no AA) shows 50% TDP power, but now it shows 36%-40% power, so I was thinking "what the heck?" thinking.gif and I ramped up the fans to 100% thinking the VRMs mightve gone hot so there was power limit and it still stayed that way and then suddenly the clock went down to 1395MHz, so I checked GPU Z and there was no limiting factor, the GPU is at 74C, the Power is still at 36-40%, the voltage is still 1.2V, and even furmark only says the limit is the Voltage, right at that moment the screen went black the computer just straight out turned off and it tried to start but then immediately within a fraction of a second shut back off, since the start of furmark to the computer shutting off is roughly 5 minutes. I then tried to turn it back on, but it won't start so I figured the GPU mightve broke or something so I pulled the plug and removed the GPU and it boots into windows fine with the Intel HD 4600 on my 4690K. I inspected the card myself, and even smelled it, there was no blown choke or capacitor of any sort, it doesn't smell burning, only smells like how hot computer parts smell like, and just like when I first started using the card (before overvolting and overclocking) there was a slight discolouration on the back part of the PCB where the VRM is so nothing seems out of place. So did the card went kaput or did it just overheat? I already ordered some ramsinks to put on the RAM chips and the VRMs for this card a few days back since it doesn't have any, but it hasn't arrived. Though from the Guru3D review they say even the VRM doesn't get hot, ofcourse mine is overvolted and overclocked so I don't know about mine. Please anyone help, should I try plugging it back in? I'm afraid of giving it more damage... sadsmiley.gif

Update 1: I checked on the VRM circuitry and nothing was melted burnt or blown, even the mosfets which are the hottest were fine. Did furmark just pushed it too far? Maybe the board has safety protections if the GPU draws too much power and furmark did it? I mean, it used to do fine before overvolting and extended overclocking.

Update 2: I plugged it back in for the sake of it and like before, it the whole computer won't turn on with it plugged in. I already returned one of these card because the first one suddenly outright just won't turn on but that time the computer would still turn on just the card wouldn't get recognized. Does a warranty still work if I had it replaced once already? And will Gigabyte know if I had tampered with the bios and even changed out the thermal paste?
It was this guy that blew up his card with tdp 200w smile.gif
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post #2850 of 3171
Quote:
Originally Posted by Dani85 View Post

It was this guy that blew up his card with tdp 200w smile.gif

Dont forget it actually sparked when I tried using it again and the mosfets blew a hole tongue.gif
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