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My MacBook is on permanent mute

my macbook is on permanent mute, helppp



[Re-Titled by Moderator]

MacBook, macOS 10.15

Posted on Mar 31, 2020 3:37 PM

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Question marked as Top-ranking reply

Posted on Mar 31, 2020 5:21 PM

Have you done a PRAM reset, CMD+Option+p+r...


http://support.apple.com/kb/HT1379


In fact, do 3 in a row, takes a bit of time.


Intel-based Macs: Resetting the System Management Controller (SMC)...


http://support.apple.com/kb/HT3964

2 replies

My MacBook is on permanent mute

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