I am having the same issue on 13.04 running on a Sony VAIO S Series core i7, Intel HD 4000 Graphics.
Periodically I get a screen full of small square dots scattered over the entire screen. They appear randomly, for about a second, then are gone. Its not hardware; I dual boot windows 8, and I have no similar issue there. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers-180 in Ubuntu. https://bugs.launchpad.net/bugs/421048 Title: Black dots appear on screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-180/+bug/421048/+subscriptions _______________________________________________ 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
