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sleep mode / wake up and strange graphics on screen.

New computer and after 3 months the sleep mode/wake up takes forever to wake up. When it does the screen has a psychedelic pattern and you can see the underlying website, etc. after about 2-3 seconds or hitting the return key it goes to a lighter pattern then finally back to the screen. What is wrong? How do I fix it. Really frustrating to have a major problem on a new computer. I hope it is simple to fix?

iMac 27" 5K, macOS 10.14

Posted on Jun 30, 2019 11:28 AM

Reply
1 reply

Jul 1, 2019 10:47 AM in response to mmbak

Hi mmbak,


Thanks so much for using Apple Support Communities. It's great to have you here. From your post, I see that your Mac is not waking up as expected and causes the screen to become distorted.


If your Mac doesn't sleep or wake when expected is a great resource to that has some steps that can help your isolate and troubleshoot your issue.


I hope you find this information helpful.


Cheers!

sleep mode / wake up and strange graphics on screen.

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