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Hot!970 sc graphics getting messed up using the display port

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johnisme
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2018/04/15 14:28:41 (permalink)
Hi,i just bought an acer 144hz monitor and found that the graphics gets messed up after some time and changing the resolution locks up windows 10 64 with a black screen,have to reboot,the messed up graphics also shows up in bios so it's not a driver issue.
 
What i did is used a hdmi cable and set it to 120hz,been running with no issues for the last couple days,so my guess is there's an issue with the video cards display port,since it runs in dvi with no issues as well.
 
Anyone else have this issue and found a solution since it's no longer under warranty?Wish i had tried a displayport cable when i bought so i could have had warranty.

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    Sajin
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    Re: 970 sc graphics getting messed up using the display port 2018/04/15 16:55:56 (permalink)
    Was your dp cable vesa certified? Did you test all the dp outputs?


    #2
    johnisme
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    Re: 970 sc graphics getting messed up using the display port 2018/04/15 17:07:51 (permalink)
    The cables weren't stated as vesa certified but all 3 dp cables i don't think would have the exact same issues where the screen after a few hours would instantly get messed up,there's only one dp,one hdmi and a dvi-d and dvi-i.

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    #3
    Sajin
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    Re: 970 sc graphics getting messed up using the display port 2018/04/15 17:10:14 (permalink)
    If all three cables weren't vesa certified that could definitely be your problem.


    #4
    johnisme
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    Re: 970 sc graphics getting messed up using the display port 2018/04/15 18:06:26 (permalink)
    I just ordered vesa certified cable and will report the results after i get it,thanks for your help.

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    #5
    Sajin
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    Re: 970 sc graphics getting messed up using the display port 2018/04/15 18:13:25 (permalink)
    No problem. 


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    Dr.Death
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    Re: 970 sc graphics getting messed up using the display port 2018/04/16 05:44:38 (permalink)
    if you google it around you will see a lot on port issues with the 900 series  ,  may look at a bunch of them to see what helped  if it did so  ,  the display port seems kinda common .
     
    [example]
    https://www.reddit.com/r/nvidia/comments/339a4n/gtx_970980_displayport_issues_still_no_fix_in/?st=jg28d92v&sh=96948d61
    https://linustechtips.com/main/topic/618490-displayport-gtx-970-and-monitor-issues/
     
    may need to move to HDMI  or the dvi-I [use dual link ]
    #7
    johnisme
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    Re: 970 sc graphics getting messed up using the display port 2018/04/16 09:58:53 (permalink)
    I googled previously and none of the posts were similar to mine,using a dvi-d causes a snowy picture in 144hz,its ok at 60hz on dvi,already am on hdmi for the last 3 days,i am taking Sajin's advice and going to try a vesa certified dp cable.

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    joeymir
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    Re: 970 sc graphics getting messed up using the display port 2018/04/16 10:23:20 (permalink)
    With Sajin on this one. Some high quality cables go a long way! Worst case scenario you're out a few bucks, but have known quality cables for the next venture.

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    #9
    Dr.Death
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    Re: 970 sc graphics getting messed up using the display port 2018/04/17 05:58:06 (permalink)
    unless its another junk cable the dvi ''dual link'' should work    using that for years  with out issue   [dvi-I from card to hdmi to monitor ]
     
    '' Single-link cables and hardware support up to only 1,920×1,200 resolution, but dual-link DVI supports 2560×1600. DVI is capable of 144hz refresh rates, so it's a good choice''
     
    that versa may not mean much as far as certified goes [ 1.2a - seems  for AMD gimmickware use ?]  , but I would select the latest revision 
     
    https://en.wikipedia.org/wiki/DisplayPort
     
    sure its not the monitor ?
    #10
    johnisme
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    Re: 970 sc graphics getting messed up using the display port 2018/04/17 09:45:32 (permalink)
    I'm sure it's not the monitor,the monitor menu looks normal when the video loses all details and smeared up,the issue hasn't returned since I've been using the hdmi port but I will find out the problem when i get the vesa certified dp cable.

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    #11
    Dr.Death
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    Re: 970 sc graphics getting messed up using the display port 2018/04/17 13:56:27 (permalink)
    YA,  maybe just one of them 900 series things  ?   try what you can and hope it works out . its nothing but more money . 
     
    seeing you use that malware service called windows 10  [lol]   have you looked at any of that and non working display port ?
    https://www.reddit.com/r/Windows10/comments/3f86le/display_port_not_detected/?st=jg44z8me&sh=124ae574
     
    https://answers.microsoft.com/en-us/windows/forum/windows_10-performance-winpc/windows-10-stops-recognizing-monitor-on/288099e4-0d01-404d-92c1-da32e73687eb
     
    https://answers.microsoft.com/en-us/windows/forum/windows_10-hardware/displayport-issues-after-windows-creators-update/eead5b02-d32e-44e7-8886-64efeea7a85f
     
    with the release of the service [windows 10]  NVidia sure seems to struggle  with drivers  and fixing issues   like this and flickering and shuttering and so on ? just glad I not been duped / forced  in to using it .; i'll give up computer bulding first  before I stoop to 10 .; glad theres Linux around still
     
    heres something why not burn a live dvd of linusx and see  if it kicks the display port in ?  cant hurt
     
    if I had a display port use here I don't even know if it even works on my 900 card ..;lol.   heck it may not as well ? dvd-I and hdmi seem to be fine [so far]
     
    You can download the Linux Mint operating system for free. It comes as an ISO file
    which you need to burn to a blank DVD. The liveDVD is then bootable and provides a
    fully-functional operating system which you can try without affecting your PC. In
    layman's terms, when you put Linux Mint on a DVD and place it into your computer, you
    can try it out while leaving your current system intact.
    Note: It is also possible to write the ISO image to a USB stick or other memory device and boot from that,
    or to boot from the ISO image on the hard drive, but these options are somewhat more advanced and the
    method presented here is recommended. For help with alternative methods of installing and running Linux
    Mint, please visit the forums.
     
    I keep a copy or 2 handy for testing  or what ever   just takes time to boot up  but once to desktop off the dvd it fine and you can go  play around on it  like a full harddrive os so to say ..; even shoud go online and all 
    #12
    johnisme
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    Re: 970 sc graphics getting messed up using the display port 2018/04/24 20:03:43 (permalink)
    Got my certified cable yesterday and no graphics glitching since,used to glitch after a few hours with the other cables,thank you Sajin for the help,saved me from tearing out my hair.

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    Sajin
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    Re: 970 sc graphics getting messed up using the display port 2018/04/24 20:20:49 (permalink)
    Glad to hear that. 


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    johnisme
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    Re: 970 sc graphics getting messed up using the display port 2018/04/24 21:53:39 (permalink)
    Also I'm getting a 1070 mini zotac tomorrow to replace my 970 and i can sell the 970 knowing it works right.

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    #15
    Sajin
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    Re: 970 sc graphics getting messed up using the display port 2018/04/24 21:54:49 (permalink)



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    johnisme
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    Re: 970 sc graphics getting messed up using the display port 2018/04/25 19:07:57 (permalink)
    Well the screen glitching came back again with the  1070 and certified dp cable.The glitching never occurred while using the hdmi cable so i''ll see if it's ok with the 1070.

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    #17
    Sajin
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    Re: 970 sc graphics getting messed up using the display port 2018/04/25 20:17:32 (permalink)
    Hmm. Maybe there is something wrong with the 1070. I'd do some more testing with the 970.


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    johnisme
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    Re: 970 sc graphics getting messed up using the display port 2018/04/25 20:40:58 (permalink)
    I don't think there's anything wrong with either video card cause it does the exact same type of video smearing so my best guess is the monitor cause i still can't use the dvi dual cable on the 1070 cause it has the same snow effect on 144hz,with hdmi it works fine.

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    #19
    Sajin
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    Re: 970 sc graphics getting messed up using the display port 2018/04/25 20:44:26 (permalink)
    So you'll be rma'ing the monitor?


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    johnisme
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    Re: 970 sc graphics getting messed up using the display port 2018/04/25 20:49:15 (permalink)
    Na,I'll be using the hdmi input and use a hdmi 2.0 to get 144hz,right now i get 120hz with a 1.4 hdmi.If anything else goes wrong then I'll rma it.

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    #21
    Sajin
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    Re: 970 sc graphics getting messed up using the display port 2018/04/25 20:52:55 (permalink)
    When running at 144hz over dvi were you running 1080p?


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    johnisme
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    Re: 970 sc graphics getting messed up using the display port 2018/04/25 20:58:10 (permalink)
    It was at 1080,the picture wasn't like static snow,just missing a lot of information and very yellow white background.

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    #23
    Sajin
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    Re: 970 sc graphics getting messed up using the display port 2018/04/25 21:00:45 (permalink)
    Did you try any other dvi-d cables?
    post edited by Sajin - 2018/04/25 21:13:46


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    johnisme
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    Re: 970 sc graphics getting messed up using the display port 2018/04/25 21:07:43 (permalink)
    I was using a dvi-d dual link cable which supports 144hz,same effects on my 970 as on my 1070.

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    #25
    Sajin
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    Re: 970 sc graphics getting messed up using the display port 2018/04/25 21:16:42 (permalink)
    So you didn't try any other dvi-d cables? You only tested the 970 & the 1070 with the same dvi-d cable?


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    johnisme
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    Re: 970 sc graphics getting messed up using the display port 2018/04/25 21:28:40 (permalink)
    Not gonna buy anymore cables since it's a monitor issue,I will say this is a resolved issue,thanks for all your help.

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    #27
    Sajin
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    Re: 970 sc graphics getting messed up using the display port 2018/04/25 21:31:44 (permalink)
    Yeah, it probably is a monitor issue, but since you're experiencing the issue over dvi & dp you may have a faulty dvi cable as well.


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    Dave3d
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    Re: 970 sc graphics getting messed up using the display port 2018/04/26 17:09:19 (permalink)
    All you really need is 120hz.
    144hz is overrated.
    As someone who has played nothing but twitch games and car games (until maybe 2013), with nothing but high-end monitors and systems, I can tell you that 144hz is not better than 120hz.
    120hz is tops when it comes to gaming, where you can see any difference.
    I have true 120hz monitors, and 2 144hz monitors, and I cant tell the difference between the 2 at all. The only difference is that dvi does not introduce input lag like hdmi and dp does. Or, it introduces MUCH less anyway.
    Enjoy stable 120hz frames and gaming, vs the 144hz.
    :)

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    #29
    CraptacularOne
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    Re: 970 sc graphics getting messed up using the display port 2018/04/26 17:30:25 (permalink)
    Dave3d
    All you really need is 120hz.
    144hz is overrated.
    As someone who has played nothing but twitch games and car games (until maybe 2013), with nothing but high-end monitors and systems, I can tell you that 144hz is not better than 120hz.
    120hz is tops when it comes to gaming, where you can see any difference.
    I have true 120hz monitors, and 2 144hz monitors, and I cant tell the difference between the 2 at all. The only difference is that dvi does not introduce input lag like hdmi and dp does. Or, it introduces MUCH less anyway.
    Enjoy stable 120hz frames and gaming, vs the 144hz.
    :)


    You literally have no idea what you're talking about so why spout off with nonsense? There is virtually no difference in input lag from DVI to DP or HDMI they are all digital signals with no input lag advantage one way or the other across the standards. The only variable would be cable quality and the signal receiver of the monitor. 

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