I did not have a DisplayPort cable before January 2014.
Plugging/unplugging VGA never caused any brightness issues. And still doesn't -- I just tested with current 14.04 kernel (had to go back to it because I need VirtualBox for work).
I did not have a DisplayPort cable before January 2014.
Plugging/unplugging VGA never caused any brightness issues. And still doesn't -- I just tested with current 14.04 kernel (had to go back to it because I need VirtualBox for work).