@Po-Hsu: that log shows that "nomodeset" is still in use:
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.13.0-23-generic.efi.signed root=UUID=e9552b0e-0694-4ff5-92a8-a7830ab61feb ro quiet splash nomodeset
@Po-Hsu: that log shows that "nomodeset" is still in use:
Kernel command line: BOOT_IMAGE= /boot/vmlinuz- 3.13.0- 23-generic. efi.signed root=UUID= e9552b0e- 0694-4ff5- 92a8-a7830ab61f eb ro quiet splash nomodeset