I found a workaround for my config : http://ubuntuforums.org/showthread.php?t=454392&page=3
And I can tell it was also related to Bug #116103 in my case since the fix solved also this second issue. -- nVIDIA card not working (seems "off") during boot process on x86_64 https://bugs.launchpad.net/bugs/112483 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs