[ 17.844] Parse error on line 15 of section Screen in file /etc/X11/xorg.conf "EndSectionSection" is not a valid keyword in this section.
Typo in your xorg.conf
[ 17.844] Parse error on line 15 of section Screen in file /etc/X11/xorg.conf tion" is not a valid keyword in this section.
"EndSectionSec
Typo in your xorg.conf