push ALT+COMMAND then clik on System Preferences then clik on monitor. You must see the menu to rotate the screen.I don't seem to have this option, even if I hold down option-command when launching the displays pane.
Hello, i have the same issue here I just buy a brand new macbook pro and table have slow time, unplayable for me
I made a video here : http://youtu.be/mcDoRDJLv8U
Configuration (runing yosemite): I5 2.5ghz / 4gb ddr3 / intel HD 4000
Help us Farsight
Keep in mind you have very low specs: i5 and intel HD 4000
it's the lowest possible