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MacBook Air Pixelated Screen

As shown in the attached picture. My MacBook Air does this every once and a while randomly. It occurs sometimes 1 hour into usage but can happen at anytime. No particular application triggers it at all. What could be the issue here?

The cursor still moves and the system is not frozen.

User uploaded file

Posted on Oct 22, 2017 3:00 PM

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Question marked as Best reply

Posted on Nov 11, 2017 11:53 AM

Hello jacobavo.
Let's do some additional testing to isolate the issue:
Safe mode will tell us if the issue is related to a startup item or plugins, and sometimes corrects the issue. This article will tell you how: Use safe mode to isolate issues with your Mac
If everything is working correctly in safe mode, but is not working when you get back to your user account, please check the section titled "If an issue doesn't happen in safe mode" for the next troubleshooting steps.
If the issue continues while in safe mode, a test user will let us know if the issue is isolated to your account, or system wide: How to test an issue in another user account on your Mac. If the issue happens in the test user also, then please check the section titled "If an issue happens in more than one user account."
Let us know what you find.
Cheers.

4 replies
Question marked as Best reply

Nov 11, 2017 11:53 AM in response to jacobavo

Hello jacobavo.
Let's do some additional testing to isolate the issue:
Safe mode will tell us if the issue is related to a startup item or plugins, and sometimes corrects the issue. This article will tell you how: Use safe mode to isolate issues with your Mac
If everything is working correctly in safe mode, but is not working when you get back to your user account, please check the section titled "If an issue doesn't happen in safe mode" for the next troubleshooting steps.
If the issue continues while in safe mode, a test user will let us know if the issue is isolated to your account, or system wide: How to test an issue in another user account on your Mac. If the issue happens in the test user also, then please check the section titled "If an issue happens in more than one user account."
Let us know what you find.
Cheers.

Oct 23, 2017 3:31 PM in response to jacobavo

Hello and welcome to Apple Support Communities, jacobavo.
If I understand your post correctly, your screen randomly pixelates but does not freeze. The pixalation would certainly make it difficult to unjoy your MacBook Air. I'd like to help.
Go ahead and reset the NVRAM like this:
How to reset NVRAM on your Mac
If the issue continues after that, let's go ahead and try running Apple Diagnostics on your Mac:

How to use Apple Diagnostics on your Mac
Let us know if that shows anything.
Thanks for using the Apple Support Communities. Take care.

MacBook Air Pixelated Screen

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