Mac Wake Up Screen Glitch

When I wake up my mac from sleep, the screen glitches and displays static, but it's only a flash (0.5 seconds). I've seen posts about this happening in macbook pro as well, after we've updated to High Sierra. I've seen examples about screens with weird colors, but in my case is just a greyish static. This lasts for only a few seconds.

MacBook Air, High Sierra Version 10.13.4

Posted on Apr 8, 2018 11:11 AM

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Posted on Aug 14, 2018 1:15 PM

What fixed this was resetting the PRAM or NVRAM by following these instructions.

Reset NVRAM or PRAM on your Mac - Apple Support


I had migrated my MacBook Air 13" to the new MacBookPro 15" and the screen was trying to be a MacBook Air.


Also, I had to search to figure out how to change the computer's name - it's under Sharing in System Preferences.

74 replies

Jul 10, 2018 10:02 PM in response to Kappy

Is that a joke?


I don't have 3 hours to loose for a computer I bought 2k€ and I absolutely need for working.


Fix this issue this is not acceptable, there is either a hardware or a software issue.


For my concern it started around the beginning of this year or the end of last year.

I remember that Apple gave a software update to fix video card sooner (end of 2017?).

It may be related and creates more issues.


Stop playing with our patience for such pricy devices.

Aug 4, 2018 5:29 PM in response to nikibt

I've got a different version. When my 2018 new MacBookPro 15" awakes after a long sleep the window has shrunk towards the upper left corner, as per the attached photo. Also, the mouse no longer tracks the image, that is, the cursor that I can see is NOT where it "clicks". I've managed to get it back to normal from this condition, which resulted in a flash of colored static in the black areas when the screen resizes. That said, getting the cursor in the right place is a pain, so I'm currently shutting down the computer rather than letting it sleep which is a pain.

User uploaded file

Aug 16, 2018 9:20 AM in response to fromlj2u

So much for the warranty and paying a premium for a computer that "just works". If this isn't a defect, I'm not sure what is. Reading the material online about older Macs having this issue, this doesn't seem like a short term bug. It seems like a problem that spans several years that Apple hasn't resolved. Where is Apple support on this?

Sep 6, 2018 9:36 PM in response to SamRez

I did a Google search for "mac screen static when opening" and I found an article and reports of seemingly similar static problems almost every year as early as 2008. I don't know what this problem is, but it seems to be more than a one-time "glitch" with the current OS. Its been more than two weeks since the Apple store declined to fix my laptop and still no news. Apple should be doing more.

Sep 18, 2018 6:18 AM in response to nikibt

In addition to the momentary static screen, my MacBook (Retina, 12-inch, Early 2016) running 10.13.6 has the following on wake.


1 Open clamshell

2 begin to type in password

3 typing freezes after a few characters

4 close clamshell

5 if password was right, when you open it it's unlocked and running, mouse freezes in a moment

6 if not typing is available again to enter pw go back to 3

7 close and reopen clamshell

8 normal operation, ready to go, only took you two minutes to wake your computer Yay!

Oct 3, 2018 8:03 AM in response to fromlj2u

I have seriously had my Mac book pro 13 inch sent 4-5 times to “get fixed” and the problem is still there. Home with the static openin screen they say nothing wrong. I had it completely replaced and it’s still doing the same thing! Sooooo annoying, I also get a free screen when watching youtube, and a ticking noice as well as glitching with Netflix. I have no idea what to do anymore

Oct 3, 2018 8:38 AM in response to grelda

Strangely... but good, the past week the computer seems to be working better.


I disabled Energy Settings -> Power Nap for both battery and AC two weeks ago. It didn't seem to change anything.


I'm still on 10.13.6, haven't added any software or removed anything in ages and faithfully restart at least once a week, usually because the computer doesn't want to connect to internet even though it shows it's connected to internet and the rest of my connected world is fine using it at the moment.

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Mac Wake Up Screen Glitch

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