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    m17x R2 - Half the FPS with crossfire enabled

    Discussion in 'Alienware 17 and M17x' started by sfara, Sep 29, 2011.

  1. sfara

    sfara Notebook Guru

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    Hei guys, i got this wiered problem latelly with my R2 - 2 x 5870. I simply get half the FPS in games when the crossfire is enable. If i play on one card everything is fine. I tested this mostly on BFBC2 since it's a demanding game. So with crossfire ON i get about 20-30 FPS; then i go solo card and the FPS jumps to normal 60 FPS. I have to mention the system is rock solid ... no crashes no BSOD nothing...all is well except i get crappy FPS when crossfire is enabled. I have A10 bios, latest dell official drivers (i reinstalled these with no success)...so any ideas ?
     
    sfara, Sep 29, 2011
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  2. DR650SE

    DR650SE The Whiskey Barracuda

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    Dell drivers are your issue. Install the latest AMD drivers with the CAP profiles. That should help.
     
    DR650SE, Sep 29, 2011
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  3. sfara

    sfara Notebook Guru

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    Well i don't know much about that ... can you post a link for me please ? I don't even know what CAP is ... sorry :(
    Thank you for the support.
     
    sfara, Sep 29, 2011
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  4. sfara

    sfara Notebook Guru

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    I run autodetect tool on AMD website and it wants to install V 11.9 (8.892) 64 bit driver. Do i have to uninstall the old driver or just install the new one over ?
     
    sfara, Sep 29, 2011
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  5. sfara

    sfara Notebook Guru

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    sfara, Sep 29, 2011
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  6. DR650SE

    DR650SE The Whiskey Barracuda

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    DR650SE, Sep 29, 2011
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  7. wkkus

    wkkus Notebook Enthusiast

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    I have the same problem too. when i disable CF my FPS went up the problem for me is that i cannot install official ATI driver from amd website. I believe since I update my vBio there a problem when i install a driver form ATI website. Everytimes i install the driver the error pop up and say [Application Install: Install Package fail] i play both the Battlefield 3 beta and Bad company 2 and has the same problem. My current driver is dell's latest driver from 2010.
     
    wkkus, Sep 30, 2011
    #7