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A1418 / EMC 2833 / Late 2015 / 3.1 GHz Core i5 or 3.3GHz Core i7 Processor. Released October 13, 2015.

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Why doesn't wifi work after waking?

Hi, I'm having a problem with my 21.5inch 4k imac. Every time I wake the device from sleeping, the wifi doesn't work, and I have to turn the wifi off and on every single time I turn it on. It's not a huge problem, but I'd like to fix it. The problem doesn't happen on Windows 10 with Boot camp. Thanks

Answered! View the answer I have this problem too

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@mayer probably he is a PC user now


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Had the same machine in yesterday with the same problem. Ran virus check and it was clean.

Installed Catalina and problem was solved.

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Leo Carr will be eternally grateful.
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