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Problem With NVIDIA CUDA: nvcuda.dll not found

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Hi, i have an ASUS g50vt notebook with a GeForce 9800M GS and i decided to install some development tool, all tools are working fine (including PhysX Hardware simulations), except CUDA, when i run the video decoder example from the SDK i get a "nvcuda.dll not found" error, some other examples run in device emulation mode. The Device Query example only shows my CPU as CUDA Capable. I am using Windows Vista Home Premium with driver 179.14, and nvcuda.dll is located in C:\Windows\SysWOW64. i've already tried to uninstall driver and install it again, the same with Toolkit and CUDA SDK (in this exact order), but with no success. What is the problem? How to solve it? Thanks. The info report: [Display] Processor: Intel® Core™2 Duo CPU P8400 @ 2.26GHz (2261 MHz) Operating System: Windows Vista ™ Home Premium, 64-bit (Service Pack 1) DirectX version: 10.0 GPU processor: GeForce 9800M GT (i don't know why it says GT, the notebook specs says GS) Driver version: 179.14 Stream processors: 64 Core clock: 530 MHz Shader clock: 1325 MHz Memory clock: 799 MHz (1598 MHz data rate) Memory interface: 256-bit Total available graphics memory: 2303 MB Dedicated video memory: 512 MB System video memory: 0 MB Shared system memory: 1791 MB Video BIOS version: 62.94.3C.00.01 IRQ: 16 Bus: PCI Express x1 [Components] nvCplUIR.dll NVIDIA Control Panel nvCpl.cpl NVIDIA Control Panel Applet nvExpBar.dll 1.5.740.18 NVIDIA Control Panel nvCplUI.exe NVIDIA Control Panel nvViTvSR.dll NVIDIA Video and TV Server nvViTvS.dll NVIDIA Video and TV Server nvDispSR.dll NVIDIA Display Server NVMCTRAY.DLL NVIDIA Media Center Library nvDispS.dll NVIDIA Display Server NVCPL.DLL NVIDIA Compatible Windows Vista Display driver, Version 179.14 nvGameSR.dll NVIDIA 3D Settings Server nvGameS.dll NVIDIA 3D Settings Server

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