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.