For me it started to appear just last week. Running this version of NVidia drivers on a Dell Latitude 6520 using a 4200NVS on latest ubuntu and all updates:
nvidia-xconfig: version 313.09 (buildmeis...@swio-display-x86-rhel47-04.nvidia.com) Tue Dec 4 22:54:46 PST 2012 Will try the agp=off -- 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
