Screen will not go to sleep on iMac

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jodmcc1 Author

Level 1

35 points

Screen will not go to sleep on iMac

My iMac display will not go to sleep. Here is my setting. OS 10.12.6

Any help would be appreciated.

John

Posted on Oct 11, 2019 5:49 AM

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Answer 1

den.thed

Level 10

90,946 points

Oct 11, 2019 7:28 AM in response to jodmcc1

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

Then set the slider up up a couple of minutes and wait for the display to go to sleep without touching your mouse or keyboard. If it does not sleep or wakes immediately, then you may have a faulty mouse, keyboard or other USB device that is preventing display sleep.

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Answer 2

jodmcc1 Author

Level 1

35 points

Oct 11, 2019 9:20 AM in response to den.thed

Thanks for the help, den.thed!! That did the trick! Now I will be able to get a better night's sleep without having the glow of the screen beaming into my bedroom.

John

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Answer 3

den.thed

Level 10

90,946 points

Oct 11, 2019 9:40 AM in response to jodmcc1

You're welcome!

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Screen will not go to sleep on iMac

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