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Sleep mode, 10.9.5

Hello again!


My wonderful iMac refuses the sleep mode.

On the firs attempt it sleeps 2 - 3 hours, then wakes up and refuses to sleep again.

I have to switch it off...:(

Can´t upgrade because all my musical equipment must be renewed then, i´m to poor...

Thanx for helping, Olaf

iMac, OS X Mavericks (10.9.5)

Posted on Nov 12, 2017 8:46 AM

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Question marked as Best reply

Posted on Nov 16, 2017 6:14 AM

Reset the SMC, as per > How to reset the System Management Controller (SMC) on your Mac - Apple Support


Disconnect your external devices one at a time and test it to see if any of those are disturbing sleep.

16 replies

Sleep mode, 10.9.5

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