It happens on login. Also it doesn't matter what you have rebooted from. I can be in my 11.04 install then reboot to 12.04 and see my 11.04 desktop scrambled up on login for about 2 seconds whilst 12.04 desktop loads.
nVidia 8600GT Driver: 295.20 ** Package changed: xserver-xorg-video-ati (Ubuntu) => lightdm ** Project changed: lightdm => lightdm (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/927051 Title: On bootup, 'screenshot of shutdown' flashes up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/927051/+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