On 25/01/17 13:09, Luca Boccassi wrote: > NVIDIA Corporation GM107GLM [Quadro M1000M] > > Do you have an Optimus laptop by any chance? What's the exact model? I do: Dell Precision 7510. I have had to disable the Intel graphics card in the BIOS to get the thing to work with 2 external screens so it's only Optimus in theory. ;) George