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How do I tell Lion to disable the LCD screen even when the lid is open?

106744 Views 383 Replies Latest reply: Dec 20, 2013 6:34 PM by louisinhongkong RSS Branched to a new discussion.
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ehdonhon Calculating status...
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Jul 20, 2011 12:44 PM

Hello,

 

A known issue with MacBook Pro's is that the WiFi reception is poor when running in clamshell mode.    A workaround for this issue when using an external monitor only has been to close the MacBook, wake it with a USB device and monitor attached, and then re-open the lid.

 

Unfortunately, this doesn't work in OS X Lion.   That's because as soon as you open the lid, Lion re-detects all the displays and re-enables the LCD monitor.  I'm sure in some circumstance, that's very helpful.   But not in mine.

 

Does anybody know of a way to keep Lion from re-enabling the monitor whenever the lid is opened?

 

Thanks!

MacBook Pro, Mac OS X (10.7)
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