*** This bug is a duplicate of bug 546578 *** https://bugs.launchpad.net/bugs/546578
Running this command: xgamma -display :0 -gamma 1.0 Indeed fixes the problem. Marking this as a duplicate of #546578 ** This bug has been marked a duplicate of bug 546578 [RS480] black screen after a few user switches -- [RV250] black screen when switching users https://bugs.launchpad.net/bugs/555298 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs