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Hot!780 Ti Blacking Out

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freebird87
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2018/03/12 10:04:38 (permalink)
Good afternoon all! I just have a quick question regarding my GTX 780 Ti SC. I ended up getting a new monitor because my old one finally died after 8 years. I ended up getting the Acer Predator X34P, and let me say that this monitor is beautiful. I did OC the monitor to run at the 120hz instead of 100hz which that works fine. What I've notice is though, if I go into the NVidia control panel and set my refresh rate to 120, my screen goes black. I tried this same monitor on a friends computer that has a Titan X and it works fine. Does the EVGA GTX 780 Ti SC not work at the refresh rate @ 3440x1440? I am able to play games pretty well (as long as everything is set to medium and some high). At 100hz, everything works great! Just wondered if maybe I'm pushing this card a little too far.

Thanks in advance for any info on this!
#1

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    Sajin
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    Re: 780 Ti Blacking Out 2018/03/12 13:16:23 (permalink)
    Are you using the dp cable that came with the monitor? If yes, try a different cable, and make sure it's vesa certified too.


    #2
    freebird87
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    Re: 780 Ti Blacking Out 2018/03/12 15:47:20 (permalink)
    I am using the original DP cable. I will go out and grab one, and report back later tomorrow. Currently most stores around me that would have those cables is closed. lol
    #3
    freebird87
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    Re: 780 Ti Blacking Out 2018/03/13 20:59:25 (permalink)
    Sadly, trying a different cable didn't make a difference, but I was able to use a friends computer that has a Titan X on this monitor and was able to get the 120 refresh rate to work correctly. It's weird though, it acts like it's going to work, but right when I accept the changes and try to do anything, that's when the issue occurs on my PC. 
    #4
    Sajin
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    Re: 780 Ti Blacking Out 2018/03/13 21:13:42 (permalink)
    Maybe it's a driver issue. Try using the same video driver the titan x was running.


    #5
    batboy88
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    Re: 780 Ti Blacking Out 2018/03/15 02:16:07 (permalink)
    cards are getting old man...

    7700k/5.2ghz-1.34v/ FTW K/ custom Loop/ Supersc 16gb 3200mhz/ GTX 1060/ Apevia Beast 650w
    #6
    freebird87
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    Re: 780 Ti Blacking Out 2018/03/16 19:58:43 (permalink)
    Yeah, I've tried doing a clean install of the drivers, and still the same issue. Like I said in my original post, at least it still works on the 100hz refresh rate. I'll just wait for the next cards to come out, and cry a little inside when I can't get one haha. I'll still keep working on trying different things to get this to work, but yeah, these cards are getting a little older. Oh well, but if I find out anything, I will update this post.
    #7
    risse1
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    Re: 780 Ti Blacking Out 2018/03/17 10:00:31 (permalink)
    Old cards have served their time. Need to buy another one soon.
    #8
    dlbsyst
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    Re: 780 Ti Blacking Out 2018/03/19 10:09:39 (permalink)
    I have a GTX 760 and it will only support 2560 x 1440p at 120hz. My monitor supports 144hz at that resolution. This is with the dp connection. My GTX 980ti will support 144 hz at 1440p. I think it's just a limitation of the 700 series cards.
    post edited by dlbsyst - 2018/03/19 14:44:39
    #9
    Hillguy
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    Re: 780 Ti Blacking Out 2018/03/21 06:54:21 (permalink)
    Have you tried reflashing the bios to the card ?  I have to refresh mine every now and then
     
    I'm running 3 780Ti SC's  every now and then my cards will go wonky and one will disappear but on restart a different one will be gone , then the Nvidia drivers disappear , every restart brings something new. The first time it happened I spent quite some time chasing them around the motherboard trying to figure out what was going on.  The only thing I can figure is the bios gets corrupted when I have been overclocking for a day or two and crashed the system 20 times an hour
     
    According to the specs on my box you are not outside the limitations of the card ( unless it's a vram thing ? )  my monitor only goes to 2560x1440 so unfortunately I am unable to test but I will try and get a monitor from a friend see what happens.
     
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    #10
    AWK16
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    Re: 780 Ti Blacking Out 2018/03/21 07:43:22 (permalink)
    risse1
    Old cards have served their time. Need to buy another one soon.


     Old!!! No 780Ti is what...3-4 years old. I have some 780's and 2x 690's that went through heck and still kicking like new, 780 its not an old card at all, maybe was weaker card in production time but also, the way someone was maybe handling them, that makes a difference, but its definitely its not oldddddddd, I'm old
    post edited by AWK16 - 2018/03/21 07:47:50
    #11
    dlbsyst
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    Re: 780 Ti Blacking Out 2018/03/21 09:49:53 (permalink)
    Hillguy
    Have you tried reflashing the bios to the card ?  I have to refresh mine every now and then
     
    I'm running 3 780Ti SC's  every now and then my cards will go wonky and one will disappear but on restart a different one will be gone , then the Nvidia drivers disappear , every restart brings something new. The first time it happened I spent quite some time chasing them around the motherboard trying to figure out what was going on.  The only thing I can figure is the bios gets corrupted when I have been overclocking for a day or two and crashed the system 20 times an hour
     
    According to the specs on my box you are not outside the limitations of the card ( unless it's a vram thing ? )  my monitor only goes to 2560x1440 so unfortunately I am unable to test but I will try and get a monitor from a friend see what happens.
     
     
     
    Yea, technically it should support 1440p at 144hz because it has a DP 1.2 port. Maybe it is a G-SYNC issue because my monitor does G-SYNC. In any event 120 hz is fine and I can't really see much difference between 120 and 144hz.:)
    #12
    Khalus
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    Re: 780 Ti Blacking Out 2018/03/26 01:54:28 (permalink)
    Been having a similar issue.  Used to game on 2x 55" 1080p HDTVs, but my dog knocked one over and broke it, so I finally decided upgrading to 2x 55" 4k HDTVs, and ever since the signal blacks out occasionally {more like long flashes} and the cards are running very hot constantly.  At idle they run around 46-56c, when watching videos on YT, etc 65-76c, and streaming Twitch, Netflix, Amazon, etc 81-93c. {<--or while playing simple pixel games}
     
    Obviously its the 4K screen, even simulating 1080p its a massive drain on these older cards not designed for 4K.   Been trying to upgrade to 1080ti forever, but ya know cryto-rush has made it impossible, until tonight, was finally able to nab a 1070ti Hybrid from EVGA {would have preferred the 11gb GDDR5x but $660 was already high, not gonna spend $1200+  for one GPU.}    Not sure how long they've been avail, but yay!?


     
    #13
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