This bug affects me too. I have an ATI Mobility Radeon HD4650 graphic card, not a 5850, but the symptoms are the same. Logging in Unity 3D brings me to a black screen with some small rectangles where I can see a part of the wallpaper. Logging in Unity 2D works perfectly.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/819389 Title: [fglrx] screen goes black after logging in on ATI Mobility Radeon HD 5850 To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/819389/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs