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DrBenru Level 1 (15 points)

Before Lion you could turn off the internal display on a Macbook by closing the lid, putting the Macbook to sleep and using an external keyboard/mouse to wake it up. After waking up, the internal display would be off and you could open the lid and it would stay off. This allowed better airflow while using an external display, not to mention saved resources like video memory etc. If you wanted to turn the display back on all you had to do was select Detect Displays from the Display menu on the Menu Bar, or put it to sleep and wake it up with the lid open.


On Lion this function no longer works. Lion will automatically execute a Detect Displays when the lid is opened. I don't want to run Dual displays at the moment, my desk is not setup for this and I don't need it. I much rather have more video ram available when I'm playing World of Warcraft.


I know that not having control over what display is active is a more novice user friendly function, but some of us are not novices, Windows has had for years the ability to disable any display from the displays control panel. Most if not all windows laptops come with a dedicated function button expressly to select the active display (press it external display only, press again, internal display only, press again internal and external mirrored, press again internal and external dual display mode). This can be cumbersome and overwhelming to novice users I get it, but Apple should implement some fix for us gaming nerds. I want to keep my lid open to have better airflow and I want my internal display off. How about and advanced button on the Display Preferences.


Anyone know of any existing workarounds?

Macbook Pro 17", Mac OS X (10.7)
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