you have
Option "XAANoOffscreenPixmaps" "true"
in last position. Plus, if you don't already h... can force it by adding :
Option "AIGLX" "true"
to Section "ServerLayout" of your /etc/X11/xor
y.sysnumlines”. This one can only have the values true or false, so just double-click it until it changes to “true”. (Default: false)
After you do this, all 3 line
