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Jon Israel Author

Level 1

1 points

iMac won't wake up from sleep using keyboard or mouse

I'm not sure what is happening but as of today neither of my wireless devices will wake the iMac - no problem use keyboard and mouse once the iMac is awake. Yesterday I had problems with the wireless keyboard disappearing from Bluetooth.
Now I have to press the power button if the iMac goes to sleep and even then it is a bit slow to respond. It is real pain in the face. What is the remedy anyone?

iMac 21.5 inch, Mac OS X (10.6.1)

Posted on Nov 5, 2009 7:38 AM

573 replies

MDJCM

Level 1

4 points

Oct 15, 2015 2:46 AM in response to SalsALeX

I'm not sure I have the exact same problem as this thread discusses, but some of you might find this helpful:

iMac (Late 2012) - Bluetooth switches itself off after overnight sleep

kmlaw11

Level 1

4 points

Aug 8, 2016 6:46 PM in response to Jon Israel

The only thing I found to help is disconnecting all of the external hard drives. I was hoping that by now apple would have created a fix for it, but to no avail. The only thing that ***** about that is if your hard drive does not have a thunderbolt port transfer speeds are really slow and it won't wake up. And this means that you will need to start your download process all over.

Nov 19, 2016 9:54 AM in response to Jon Israel

Turn down monitor brightness until problem goes away. Mine did. Now I'm typing away without a care in the world.

iMac won't wake up from sleep using keyboard or mouse