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My laptop : HP pavilion G4-1212TX Proc : sandybridge Intel core i5 VGA :

  • Intel Integrated Graphic proc
  • AMD Radeon HD6470M ( discrete )

Dual OS Win 7 and Ubuntu 11.10.

No problem with Win 7, I can switch VGA ( Radeon or Intel ) via catalyst but no luck with Ubuntu 11.10.

  • I have to set "nomodeset" in grub to avoid black screen.
  • I can't switching VGA between intel/AMD or just use AMD for all application in ubuntu.
  • Brightness cannot adjustable.
  • I have try to install fgrlx and radeon propietary driver, but didn't worked.
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closed as too localized by nitstorm, htorque, Takkat, jrg Feb 26 '12 at 20:31

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

    
somebody help .... –  ruslimarah Nov 22 '11 at 1:15
    
This question appears to be abandoned and unanswered, could you perhaps add more detail to your question? If this question no longer applies then you can either delete it or answer it yourself if you've solved the problem. Thanks! –  nitstorm Feb 26 '12 at 4:54

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