High Sierra random display sleep

I recently upgraded my Macbook Pro w/ Touchbar to High Sierra, and I'm running the most recent supplemental update. Ever since, the display randomly goes to sleep, but I've not changed any Energy Saver or Screen Saver settings. Prior to the upgrade, and currently, I had a Hot Corner setup to instantly put the display to sleep. In addition, I have the Security setting selected to require a password immediately after sleep or screensaver. Also, the screen saver is set to come on after 30 minutes, and the display is set to turn off after 10 minutes.


I also have the MBP connected to an external HP display, via a USB-C to VGA adapter. In addition, I've started having windows resized after waking from sleep. None of these symptoms occurred prior to the upgrade to 10.13.

Posted on Oct 12, 2017 10:08 AM

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Posted on Mar 27, 2018 2:46 PM

Hi, I had the exact same problem till 5 minutes ago!


I was going totally crazy with it since it was happening all the time. Until I discovered this extremely simple post:

SOLVED: Why does my MacBook Pro put itself to sleep while I'm working? - MacBook Pro 13" Unibody Mid 2012 - iFixit


The fact is that about any magnet you swipe near the left speaker of your Macbook will put your screen to sleep. Just like if you flipped your screen closed.


For myself, two devices I am wearing all the time were interacting with the screen: First the magnetic clip behind the milanese loop of the Apple Watch I am wearing on my left hand. Second, I also keep the charging case of my Airpods in my left pocket everyday and the back clasp of the case is magnetic. So every time I swiped my hand over the left speaker while tipping and very often when using my Macbook on my knees I was getting mad!


Good luck!

60 replies

Nov 5, 2017 9:05 AM in response to steelhorse83

Has anybody taken this issue up directly with Apple via support or a genius bar appointment? This is a critical issue and is making my laptop almost unusable. It happens both on its own and when I have it plugged into an external monitor. I thought perhaps it was the external monitor but that isn't the case. This also never happened prior to the High Sierra update.


If anybody has any further information or evidence that this is actually being looked at by Apple, I would appreciate it.


Thank You.

Nov 11, 2017 11:58 AM in response to steelhorse83

When upgraded to High Sierra after a short while the touch bar on my Macbook Pro (2016) started to flicker when the display was in sleep mode or screensaver was active. This got worse after a few weeks the touchbar started to flicker more, even when the display was active and I was using the computer. So I decided to hand in my Mac on service and got the "top case" replaced on warranty. (bottom chassi, keyboard, touchbar and battery)


After I got a new touchbar I have not run in to this issue anymore and I have been using my Mac daily now for 2 weeks.

Nov 20, 2017 10:49 PM in response to steelhorse83

Hello everyone, SAME STORY here!


MacBook Pro 2016 13inch with Touch Bar. This issue never occurred until I upgraded to High Sierra (current ver 10.13.1).


Whenever I stop interacting with computer, display falls asleep w/i 10-30 seconds. And I have to wake it up and insert password to login back (just as if laptop went to sleep). What is already done:


- checked Energy Saver preferences

- SMC & NVRAM reset multiple times

- re-installing of MacOS

- connecting/disconnecting different USB-C devices to check if they caused the issue


So, impossible to read email or internet content. Extremely annoying!

Nov 21, 2017 11:01 PM in response to steelhorse83

Same issue here after upgrading to High Sierra. But I may be the only one running on an older 2009 Mac Pro tower - no touchbar / no thumbprint. Runs beautifully except for the issue that my screens go to sleep randomly and I can't get them to come back on without rebooting. The computer clearly keeps trucking along in the background as videos keep playing despite the screens sleeping.

Dec 3, 2017 4:13 PM in response to steelhorse83

Same here, and it's driving me crazy. I'm actually experiencing this on two different late-2016 Touch Bar macs — both my personal laptop and my work one have the exact same behavior. Even without any screen saver, energy saver, or display sleep settings on, the screen randomly turns off after ~10-20s of inactivity. Seems to happen a little more when plugged into a monitor, though I've also seen it happen untethered.


I don't remember experiencing this before the High Sierra upgrade. There's also a Stack Exchange thread on the same issue and it hasn't seemed to go anywhere.

Mar 12, 2018 12:59 PM in response to ipod touch 302

I have mid 2012 13” MacBook Pro High Sierra 13.3.3. I’m having this issue as well. There are no magnets nearby and I have messed with energy saver settings, reset NVRAM, reset SMC, reinstalled os, and tried safe mode. Reinstalling the os and safe mode allow the display to stay awake for a few minutes before the issue arises again of my MacBook going to sleep every few seconds. The issue occurs whether an external display is connected or disconnected.

Mar 14, 2018 8:01 AM in response to steelhorse83

I have this same issue... in fact, a lot of random issues after updating to High Sierra ( screen blanking out, trouble waking up from sleep, constant connection loss with printers and/or people on my network, losing connection with magic mice, etc.. ). One fix at a time I guess. As per others in this thread.. screen will go black/sometimes screen saver will come on WHILE I'm using the keyboard or sometimes 5-15 seconds after I am done. Sometimes it will come back on by itself, and sometimes I have to press the keyboard/mouse to make it wake up. I may even have to do a hard reboot on occasion. It all seems to be random when it happens, and the issue may not surface every day.


I have an older Mac Pro (non-laptop of course), so obviously my errors have nothing to do with TouchID or a lid sensor like others have stated.

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High Sierra random display sleep

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