(EE) Jul 17 12:25:31 NVIDIA(0): Failed to initialize the NVIDIA kernel module. Please see the
(EE) Jul 17 12:25:31 NVIDIA(0): system's kernel log for additional error messages and
(EE) Jul 17 12:25:31 NVIDIA(0): consult the NVIDIA README for details.
Well, in Xorg.0.log it says:
(EE) Jul 17 12:25:31 NVIDIA(0): Failed to initialize the NVIDIA kernel module. Please see the
(EE) Jul 17 12:25:31 NVIDIA(0): system's kernel log for additional error messages and
(EE) Jul 17 12:25:31 NVIDIA(0): consult the NVIDIA README for details.
So the kernel log is the next place to look.