The same happened to me yesterday after a few switches between two accounts. I had this problem, and I had upgraded to gnome-screensaver 2.30.0-0ubuntu2 in a Dell Inspiron 530 a few days ago. Yesterday I had the black sreen.again.
-- black screen after a few user switches https://bugs.launchpad.net/bugs/546578 You received this bug notification because you are a member of Ubuntu-X, which is the registrant for xserver-xorg-driver-ati. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp