Fans going crazy in Clamshell mode with Dell 2711
Hi, I'm using my Macbook Air 13'' 2012 with an external monitor: Dell 2711 in clamshell mode and my fans go crazy really soon. Example (~5000rpm), when I simply watch one small youtube video in a hidden browser tab. Why is that?
Software is completely up to date!
Mac OS X (10.7.2)