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paultilling

 
Member Since: Apr 30, 2012
Posts: 24
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My Macbook Air is still often very reluctant to wake up, particularly if I close the lid to put it to sleep. When I open it the screen is black. I then have to press Ctrl Alt and the dlete key and wait several minutes before it come to life.
If I leave it on with the lid open it sometimes rebooted itself without any instruction from me.
I have tried resetting the System Management Controller (SMC) but it does not solve the problem.
Anything else I could do? Is there a hard reset somewhere so if it permanently stays asleep I can wake it up?
Paul
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