MacBook Pro won't sleep when closing lid

Posted by Eelco Visser on Super User See other posts from Super User or by Eelco Visser
Published on 2009-09-26T11:05:55Z Indexed on 2010/03/20 10:11 UTC
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My one month old MacBook Pro suddenly does not sleep anymore when I close the lid. There might be a relation to the Caffeine program that I installed recently. Caffeine prevents a Mac from going into sleep. But I have the problem when Caffeine is not even running.

What reasons could there be for this problem happening? I'm hoping its a software problem instead of some hardware failure.

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MacBook Pro won't sleep when closing lid - Developer IT

MacBook Pro won't sleep when closing lid

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