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I'm using a Thinkpad T430 with a NVS 5400M and an integrated Intel HD card.

Since it's not possible to use cuda-gdb when the nvidia card is used for video output, I tried to use CUDA while in Intel mode. But unfortunately I get the following error message:

no CUDA-capable device is detected in ...

Using google I found an old guide for using nvidia CUDA with optimus cards. But when I try to load the driver manually I just get another error message:

modprobe: ERROR: could not insert 'nvidia_331': No such device

Is there a way to use CUDA and thus the cuda-gdb while in Intel mode?

fyi: everything but the cuda-gdb works fine when I'm on nvidia mode.

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