How to get the dual graphics card to work together?

I have a satellite L series with dual graphics card that works together. Its an AMD Radeon 3400 m apu with a built-in HD 6520 G and a discreet graphics of 6400 m.

The 6400 m turns on never, I used the amd system monitor to see if it is already in use, but it's never.
Even if the 6520g is at full load it lights.

Any suggestions would be helpful.
Thank you.



As far as I know, this topic has already been discussed here in the forum and the switch between internal and external ATI GPU is not supported.
Just designed by nVidia Optimus technology is supported
So you can switch between the GPU from Intel and nVidia (if both would support Optimus technology)

Tags: Toshiba

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