I'm seeing strange partial iOS-style "close" buttons when I hover over the area where Notification Center alerts appear. It seems there is one created per notification shown, which means over the ...
I have a very similar problem to mikekmcguire's question about clamshell mode. When connecting my MacBook Pro (Mid 2009 | 5,3) running Mountain Lion (10.8.2) to an external display in clamshell mode, ...
I'm using a MBP with a second (external) monitor and since I upgraded from Snow Leopard to Lion, I encountered some display issues that appear in the Application Switcher, and sometimes in the ...