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Why is my screen flickering with this new macOS big sur update? I have a 2020 macbook air

How do I fix the problem where my screen glitches and flickers? I just downloaded the new macOS Big Sur update and my laptop has bee glitching since then.

MacBook Air 13″, macOS 11.0

Posted on Nov 16, 2020 3:26 AM

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Posted on Jan 10, 2021 6:22 PM

Found this on another thread with the same problem. Fixed up just right on my iMAC!


Hello Roro9,


Welcome to Apple Support Communities!


We understand that since updating your MacBook to Big Sur your screen keeps flickering when watching Netflix. We're happy to help!


Let's try an SMC reset. 

How to reset the SMC of your Mac


You may also want to try an NVRAM reset. 

Reset NVRAM or PRAM on your Mac


We also recommend starting in safe mode. Sometimes just starting in this mode and then restarting normally can resolve issues like this: 

How to use safe mode on your Mac


Let us know if that worked for you.

Thank you for using Apple Support Communities.

Take care!

37 replies

Why is my screen flickering with this new macOS big sur update? I have a 2020 macbook air

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