Exactly same happens to me. Sometimes the lightdm able to load properly, but 90% persent of boots it goes black terminal screen weth mouse cursor. In roder to resolve this I going to terminal (alt+f1) and 'sudo restart lightdm'. Only then the login screen apears.
I've Dell XPS 14 Ultrabook (l421x) with Nvidia 630M (Optimus) and Intel HD4000. No nvidia proprietary drivers used and nouveau drivers are blacklisted. So only Intel is in use. btw when it works I've no other issues. (except of Nvidia optimus of course, but hit is a different issue). -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1066410 Title: lightdm doesn't load correctly on Ubuntu 12.10 Status in “lightdm” package in Ubuntu: New Bug description: Ubuntu 12.10 doesn't load correctly because lightdm shows only a mouse pointer and a blinking command-line cursor. I don't know if this is only Ubuntu 12.10 specific bug, because a similar error appeared on my friend's computer back in 2011 on Ubuntu 11.10. However, switching to a command line and restarting lightdm solves the problem per instance. Also rebooting the device solves it, but also only for the specific boot. Another reboot ends with the same "black screen with a working mouse pointer and a blinking cursor". I am using Asus Zenbook ux32vd (Intel HD Graphics 4000 + not used Nvidia GT620M - Optimus technology). To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1066410/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
