You must run live cd with option "nomodeset" to bypass this problem. Try to follow the user guide at https://help.ubuntu.com/community/MacBookAir3-2/Meerkat
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/740050 Title: Display unusable when installing on Late 2010 Macbook Air -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs