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    SLI issue

    Discussion in 'Alienware' started by Thasee, Dec 4, 2009.

  1. Thasee

    Thasee Notebook Consultant

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    basically any game i run looks terrible. i dont have stealth mode on, like if i launch borderlands or wc3 the screen twitches it looks like there are 2 screens merged into 1 but there breaking apart lol... when i disable sli this issue goes away. anyone have any ideas as to how i can fix this?
     
    Thasee, Dec 4, 2009
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  2. Mandrake

    Mandrake Notebook Nobel Laureate NBR Reviewer

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    That's screen tearing. Your game is going too fast for your monitor. Get a faster external monitor or turn vsync on.
     
    Mandrake, Dec 4, 2009
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  3. Thasee

    Thasee Notebook Consultant

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    well even with vsyn on its still doing it even in wc3 lol.
     
    Thasee, Dec 4, 2009
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  4. Glzmo

    Glzmo Notebook Deity

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    Do you have stereoscopic 3D vision (or whatever it's called) enabled by any chance?
     
    Glzmo, Dec 4, 2009
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  5. Mandrake

    Mandrake Notebook Nobel Laureate NBR Reviewer

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    You'll probably want to head over to the drivers thread then.

    wc3? as in Warcraft 3? I wouldn't doubt SLI screwing up some of the older games.
     
    Mandrake, Dec 4, 2009
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  6. Thasee

    Thasee Notebook Consultant

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    well like basically mandrake everygame i play its tearing but when i disable sli it works perfectly fine. and im using 186.82 for my gtx 280m, everything is on default btw glzmo
     
    Thasee, Dec 4, 2009
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  7. Aikimox

    Aikimox Weihenstephaner!

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    What if you disable 9400 in BIOS? Disable BOTH hybrid and integrated graphics. I had this problem couple of times when running hybrid on stock drivers.
     
    Aikimox, Dec 4, 2009
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  8. Thasee

    Thasee Notebook Consultant

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    both hybrid and 9400 are disabled. ive even uninstalled and reinstalled different drivers but nothing seems to be working =/
     
    Thasee, Dec 4, 2009
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  9. Mandrake

    Mandrake Notebook Nobel Laureate NBR Reviewer

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    and temps are fine? no fan issues?
     
    Mandrake, Dec 4, 2009
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  10. Thasee

    Thasee Notebook Consultant

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    yes gpu temps are all fine nothing is overheating...
     
    Thasee, Dec 4, 2009
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  11. Mandrake

    Mandrake Notebook Nobel Laureate NBR Reviewer

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    I would still link this to a driver issue or even possibly a bad sli cable. You can try booting from the Dell resource DVD and getting into the diagnostics program and testing the GPUs.
     
    Mandrake, Dec 4, 2009
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  12. Thasee

    Thasee Notebook Consultant

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    the weird thing is basically everything was working prior to yesterday nite after i changed the settings for a game then ya everything else just turned into. i even srsly did a clean install of w7 to see if that would fix it but ya nothing :(
     
    Thasee, Dec 4, 2009
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  13. Mandrake

    Mandrake Notebook Nobel Laureate NBR Reviewer

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    then definitely can be hardware related.
     
    Mandrake, Dec 4, 2009
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  14. Thasee

    Thasee Notebook Consultant

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    and here i am hoping its a software issue :( but like ya mandrake when i plug in an external monitor it works fine which is what i dont get lolXD
     
    Thasee, Dec 4, 2009
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  15. Thasee

    Thasee Notebook Consultant

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    oh and everything looks fine in windowed mode but in fullscreen all the games tear...
     
    Thasee, Dec 4, 2009
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  16. Glzmo

    Glzmo Notebook Deity

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    That really sounds like Vsync being disabled in full screen. Have you tried forcing Vsync on via the Nvidia Control Panel and/or nHancer?
    Although that doesn't always work in Windows Vista/7, I've heard.
    Have you checked the games if you can enable Vsync in them (via options, .ini or otherwise).
     
    Glzmo, Dec 4, 2009
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  17. Thasee

    Thasee Notebook Consultant

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    well ive forced vsyn on via control pannel but still isnt solving the problem=/ weird thing is if i have an external monitor hooked up both screens work fine and the games look perfect in both... @_@
     
    Thasee, Dec 4, 2009
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  18. Thasee

    Thasee Notebook Consultant

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    k so the guys at dell tech support say its my screen. i still think its my cards somehow but maybe there right.. =/
     
    Thasee, Dec 5, 2009
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  19. Mandrake

    Mandrake Notebook Nobel Laureate NBR Reviewer

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    hard to prove a gpu issue if it works on an external monitor.
     
    Mandrake, Dec 5, 2009
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  20. Thasee

    Thasee Notebook Consultant

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    well then i guess it could be my monitor if u want mandrake ill post a pic of how it looks like when i run games...
     
    Thasee, Dec 5, 2009
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