ERROR: clGetDeviceIDs() : -1 : CL_DEVICE_NOT_FOUND Help PLz

[neo79]

I think it should be /media/root/ then your external hard drive or partition also remember Linux is case sensitive.
having a directory called Temp and trying cd temp wont work.

Though I`m using The-Distribution-Which-Does-Not-Handle-OpenCL-Well (Kali).