Below two conditions :
One with /etc/X11/xorg.conf like this :
Section "Monitor"
Identifier "Monitor0"
EndSection
#Section "Device"
# Identifier "Radeon"
# Driver "ati" #Choose the driver used for this ...
One with /etc/X11/xorg.conf like this :
Section "Monitor"
Identifier "Monitor0"
EndSection
#Section "Device"
# Identifier "Radeon"
# Driver "ati" #Choose the driver used for this ...