Numerous people in the Ubuntu forums (myself included) reporting showstopping problems after updating to 2.6.27.13. Specifically, X fails to create a desktop, so users see nothing but a black screen after the usplash goes away. This seems to specifically affect nVidia users.
Workaround: Boot into safe mode (or older kernel), install nvidia-glx-180 and nvidia-180-kernel-source. Reboot. Go into Hardware Manager, activate nVidia 180.11 driver, and reboot into updated kernel.
Numerous people in the Ubuntu forums (myself included) reporting showstopping problems after updating to 2.6.27.13. Specifically, X fails to create a desktop, so users see nothing but a black screen after the usplash goes away. This seems to specifically affect nVidia users.
Workaround: Boot into safe mode (or older kernel), install nvidia-glx-180 and nvidia- 180-kernel- source. Reboot. Go into Hardware Manager, activate nVidia 180.11 driver, and reboot into updated kernel.
http:// ubuntuforums. org/showthread. php?t=1084959