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Originally Posted by whpalmer4 View Post
you need to have multiple display adapters, not just multiple displays. So a MacBook with an external display cabled up won't suffer from this,
Subtle indeed. An ordinary MacBook Pro with an external display cabled up will suffer from this (as I quickly discovered) if it is one of those models which (like my MacBookPro5,1) contains two adaptors and allows you to choose by setting the following option in System Preferences > Energy saver.


Last edited by RobTrew; 2009-09-08 at 03:37 PM..