"cgminer -n" spits out
[2013-02-04 22:11:35] CL Platform 0 vendor: NVIDIA Corporation
[2013-02-04 22:11:35] CL Platform 0 name: NVIDIA CUDA
[2013-02-04 22:11:35] CL Platform 0 version: OpenCL 1.1 CUDA 4.2.1
[2013-02-04 22:11:35] Platform 0 devices: 1
[2013-02-04 22:11:35] 0 GeForce GTX 660 Ti
[2013-02-04 22:11:35] CL Platform 1 vendor: Intel(R) Corporation
[2013-02-04 22:11:35] CL Platform 1 name: Intel(R) OpenCL
[2013-02-04 22:11:35] CL Platform 1 version: OpenCL 1.1
[2013-02-04 22:11:35] Error -1: Getting Device IDs (num)
[2013-02-04 22:11:35] clDevicesNum returned error, no GPUs usable
[2013-02-04 22:11:35] 0 GPU devices max detected
I saw a recommendation to uninstall nVidia's PhysX drivers, however no luck. If anyone has any ideas on what to try I would appreciate it (as I won't be in possession of a 40 GH/sec ASIC unit any time too soon
![Wink](https://bitcointalk.org/Smileys/default/wink.gif)
Edit: Not the optimal solution (as the issue was not solved) but changing to BFGMiner worked.