This affects me on my desktop computer since quite some time already (at least since 12.04, and now happening on 13.04 again). Might have something to do with the fact that I use a multi-monitor configuration, or that I use the "official"/proprietory driver from AMD for my Radeon?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/565428 Title: "Check disk for defects" shows black screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/565428/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
