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While there's plenty of resources on laptop hybrid graphics, I couldn't find any relevant info on desktop hybrid graphics. Suppose following scenario: I have an Ivy Bridge CPU with integrated GPU and a discrete GPU. Can I switch between them without rebooting? (My display has two inputs, so I want to literally switch active devices)

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bumblebee. http://bumblebee-project.org/

Switching devices can be done using xrandr. Try xrandr -q.

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I think that only works with Nvidia GPUs and on laptops, or am I mistaken? –  PJK Nov 6 '12 at 18:15
    
Yes, you are correct. –  Gustav Fransson Nyvell Nov 6 '12 at 18:38
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