cuda 7.0 installation compatible hardware not found
I have a GeForce 8400 GS and compatible updated driver 341.44 installed on my Windows 8.1 x64 machine. When I tried to install CUDA 7.0 it showed that it could not find compatible hardware but I went along and chose to not install the provided driver and looking at this website Nvidia Installation guide ran deviceQuery after installation but got this output.
$_ deviceQuery.exe
deviceQuery.exe Starting...
CUDA Device Query (Runtime API) version (CUDART static linking)
cudaGetDeviceCount returned 35 -> CUDA driver version is insufficient for CUDA runtime version Result = FAIL
$_
Help me install it properly.
You can't use CUDA 7 with a GeForce 8400 GS. That is a compute capability 1.1 device and support for that was dropped in CUDA 7.
Install CUDA 6.5 instead. You can keep your 341.44 driver that you already have installed.
If you use CUDA 6.5, be sure to select an appropriate architecture eg compute_11,sm_11 for your GPU when compiling codes. CUDA 6.5 compiles for a cc2.0 GPU by default.
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