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    SLI Problem Clevo P870DM3

    Discussion in 'Sager and Clevo' started by maxcrysis, May 13, 2017.

  1. maxcrysis

    maxcrysis Notebook Enthusiast

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    Hello i have strange problem when i enabled sli.When i start game or benchmark after 5 sec i got black screen.I can only run Furmark without issue.If i disable sli everything works.I swapped master gpu with slave gpu and everything works in sigle gpu mode
     
    maxcrysis, May 13, 2017
    #1
  2. D2 Ultima

    D2 Ultima Livestreaming Master

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    I would RMA then

    Sent from my OnePlus 1 using a coconut
     
    D2 Ultima, May 13, 2017
    #2
  3. maxcrysis

    maxcrysis Notebook Enthusiast

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    Now i can run without problem 3dmark ,gta 5 in windowed borderless mode,Crysis 3 in windowed screen.When i changed to full screen mode i got flickering and then black screen.Is this a software problem like driver issue?
     
    maxcrysis, May 13, 2017
    #3
  4. AKHIL

    AKHIL Notebook Guru

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    Same here :( so im not alone

    Sent from my SM-G935F using Tapatalk
     
    AKHIL, May 13, 2017
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  5. Meaker@Sager

    Meaker@Sager Company Representative

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    Check the SLI cable seating and try fresh installing the drivers.
     
    Meaker@Sager, May 13, 2017
    #5
  6. maxcrysis

    maxcrysis Notebook Enthusiast

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    So everything work in windowed screen.Trying fresh install of windows,drivers,update bios and nothing.I checked sli cable and thermal pads everything looks normal.
     
    maxcrysis, May 14, 2017
    #6
  7. Prema

    Prema Your Freedom, Your Choice

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    Nvidias driver are a bit hit'n'miss these days...
     
    Prema, May 14, 2017
    #7
    clayton006 and Spartan@HIDevolution like this.
  8. Meaker@Sager

    Meaker@Sager Company Representative

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    Try an older version of the drivers too :)
     
    Meaker@Sager, May 14, 2017
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  9. AKHIL

    AKHIL Notebook Guru

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    I have tried all the drivers since Gtx 1080 released. Fresh installed windows 3 times . Still :(

    Sent from my SM-G935F using Tapatalk
     
    AKHIL, May 14, 2017
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  10. Rynaus

    Rynaus Notebook Consultant

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    Try cleaning the SLI bridge cable with rubbing alcohol and also swap the cable, not the cards. If you have access to another sli cable, try that too.

    Sent from my ASUS_Z016D using Tapatalk
     
    Rynaus, May 15, 2017
    #10
    Prema likes this.
  11. maxcrysis

    maxcrysis Notebook Enthusiast

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    The problem is a display. It's a 4k without g sync. Someone can tell me model number of 4k g sync.
     
    maxcrysis, May 15, 2017
    #11
  12. Prema

    Prema Your Freedom, Your Choice

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    AUO B173ZAN01.0
     
    Prema, May 15, 2017
    #12
    maxcrysis likes this.
  13. Meaker@Sager

    Meaker@Sager Company Representative

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    Did you swap displays from the stock config?
     
    Meaker@Sager, May 15, 2017
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  14. maxcrysis

    maxcrysis Notebook Enthusiast

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    No i am second owner,but this clevo was bought from pc specialist and their 4k display is not g sync B173ZAN01.1
     
    maxcrysis, May 15, 2017
    #14
  15. maxcrysis

    maxcrysis Notebook Enthusiast

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    maxcrysis, May 16, 2017
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  16. Prostar Computer

    Prostar Computer Company Representative

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    So you don't have any issues on an external display running SLI?
     
    Prostar Computer, May 16, 2017
    #16
  17. maxcrysis

    maxcrysis Notebook Enthusiast

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    Yes. I tried on my TV and worked without a problem.
     
    maxcrysis, May 16, 2017
    #17
  18. Prema

    Prema Your Freedom, Your Choice

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    Uninstall Gefore Experience...
     
    Prema, May 16, 2017
    #18
  19. Glzmo

    Glzmo Notebook Deity

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    Did you just uninstall your drivers before installing different ones or did you use Display Driver Uninstaller to truly uninstall them and remove any remains? If it's the former, try the latter. Otherwise some things might remain from faulty drivers that may be causing problems.

    Do both your cards use the same vBIOS version and have the same memory type and manufacturer (you can check with GPUz)? Mismatches in these areas could very well cause problems with SLI synchronization which in turn could result in the issues you described.

    However, since you mentioned that it works fine in windowed/borderless windowed mode makes me think it could be a problem with the SLI cable or, much less likely, one or both of the SLI connectors on the cards.
    Many may not realize this, but windowed mode SLI works a bit differently than SLI in proper full screen mode, the cards use mainly the bus to communicate with each other and don't utilize the SLI cable as much as they do in proper full screen mode (which is why SLI performance and scaling is usually slightly worse in windowed modes than in proper full screen mode). It's been this way since Nvidia first added the "hack" add SLI support in windowed mode to their drivers years ago (they couldn't get it to work the conventional way without a "hack" or workaround, which may also be a reason AMD still doesn't support Crossfire in windowed mode to this day - although you can get it to glitch-work here and there on rare occasions). So that could explain why you are having issues in Full Screen mode but not in windowed/borderless window mode.
     
    Last edited: May 17, 2017
    Glzmo, May 17, 2017
    #19
    Prema and AKHIL like this.
  20. Meaker@Sager

    Meaker@Sager Company Representative

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    Certainly worth carefully reseating it.

    I find when it's not I get a drop in FPS rather than black screening.
     
    Meaker@Sager, May 17, 2017
    #20
  21. AKHIL

    AKHIL Notebook Guru

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    GTA5
     
    AKHIL, May 17, 2017
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  22. AKHIL

    AKHIL Notebook Guru

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    Crysis 3

     
    AKHIL, May 17, 2017
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  23. AKHIL

    AKHIL Notebook Guru

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    Overwatch

     
    AKHIL, May 17, 2017
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  24. Prema

    Prema Your Freedom, Your Choice

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    If you are running W10 creators update, try a fresh installation of an older version.
    There are a few systems reporting black screens while gaming after the recent Windows update...
     
    Prema, May 18, 2017
    #24
  25. Matthias112

    Matthias112 Newbie

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    I just bought my P870KM1 From HID Evolution and can't wait to hold it in my hands. Hopefully it does not have this Problem!
     
    Matthias112, May 18, 2017
    #25