Xorg use the Intel GMA but I want to use my ATI Radeon card.
Here from Xorg logs :
(II) LoadModule: "fglrx"
(WW) Warning, couldn't open module fglrx
(II) UnloadModule: "fglrx"
(II) Unloading fglrx
(EE) Failed to load module "fglrx" (module does not exist, 0)
Thank you for your help.