I have a laptop with commutable graphic cards (one ATI Mobile Intel Graphics = low performance, one Radeon HD 6770 M = high performance). When I tried to run Blender on the Radeon chipset, it crashes at start. When I try to run Blender on the Intel chipset, it runs, but slowly.

I have tried with 2.79b and 2.78c Blender version but got the same problem.

Thanks for any advice.

  • 2
    $\begingroup$ Please do not edit your question to include an answer in it. The question part should only contain a question. You should post the solution as an answer even if you came up with it on your own. $\endgroup$ – Martynas Žiemys Feb 27 '19 at 20:06

I have changed the samplerate in Blender to 48'000 Hz, it works fine, as discussed here. Problem is solved. Still don't understand why it runs correctly with only one graphic card.


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