Radeon 4850 low fps

I just installed my new gigabyte radeon hd 4850 512mb 256 bit and a new 500w psu to replace my old "integrated" geforce 6100 and a 300w psu. Now I'm getting around 9 fps in world of warcraft and as I understand that my old geforce 6100 did much better than this.... One more thing is that I could not remove the geforce 6100 from my motherboard so I just installed the radeon 4850 on the pcie x16 slot and boot up the pc. Am I suppose to remove the old gpu for the new gpu to work? Can I just uninstall the geforce 6100? If so, how?
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  1. You need to remove any old nVidia drivers first.

    Could you post your full system specs please
  2. How do I remove the old nvidia driver?

    OS: Windows Vista home premium 6.0 32-bit
    Processor: AMD Athlon x2 dual core BE-2350 (2 cpu) (2.1Ghz)
    Memory: 2gb RAM
    HDD: 320gb
    Mobo: http://support.gateway.com/s/MOTHERBD/Shared/4006233R/4006233Rmv.shtml
  3. I just uninstalled the nvidia driver but I'm still getting the same fps, please help.
  4. Before you go hog-wild, know that WoW runs graphics off the CPU, not the GPU.

    I bench-tested the CPU (AMD Athalon DuoCore X64 4600+) and GPU (GeForce 8800DTS) and was surprised to discover my GPU loping along while the CPU was dying at 75%. When it hit 100%, it started tossing in dead clock ticks and disconnects me from WoW.

    Yes, removing addons will delay the ultimate collapse, but who wants to play at 6fps? I'm investing in a mid-level i7 and motherboard (Gigabyte or Asus, haven't decided yet).

    (You can remove the driver from your hardware manager, advanced tab.)

    Check out "Best Gaming CPUs" [ http://www.tomshardware.com/reviews/best-gaming-cpu,2599-7.html ] for some good intel.
  5. Download drive sweeper and clean out nvidia drivers in safe mode. Then do a reinstall of ATI drivers.
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