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MacBook Pro 13 (late 2019) some problem with speakers

when I listen to music, during the switching of songs, even before the start of the song itself, a loud crack is heard from the speakers. why can it be so? this does not always happen.

MacBook Pro 13″, macOS 11.6

Posted on Oct 7, 2021 2:31 AM

Reply
Question marked as Top-ranking reply

Posted on Oct 7, 2021 8:13 AM

NikiraDu wrote:

when I listen to music, during the switching of songs, even before the start of the song itself, a loud crack is heard from the speakers. why can it be so? this does not always happen.


Can you run the user Diagnostic...not as definitive as Apple's own AST2 (Apple Service Toolkit) back bench diagnostic, but may kick out an error code.


Use Apple Diagnostics to test your Mac

https://support.apple.com/en-us/HT202731



To trouble shoot further you can:


—Try a SafeBoot https://support.apple.com/en-us/HT201262



Takes noticeable longer to get to the login screen, does a 5 minute disk repair before it fully boots up, and certain system caches get cleared and rebuilt, including dynamic loader cache, etc.

Login and test. Reboot as normal and test. Caches get rebuilt automatically.


In Safe mode third party system modifications and system accelerations are disabled, it removes malware, etc hampering smooth operation, however a reboot will put it back to normal mode.


This test will tell you if third party interference; extensions etc are not loaded in safe boot mode.



—Test issue in another user (or guest user) account https://support.apple.com/guide/mac-help/set-up-other-users-on-your-mac-mtusr001/mac

This will tell you if it a universal issue or isolated to your user/admin account. 



Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus


1 reply
Question marked as Top-ranking reply

Oct 7, 2021 8:13 AM in response to NikiraDu

NikiraDu wrote:

when I listen to music, during the switching of songs, even before the start of the song itself, a loud crack is heard from the speakers. why can it be so? this does not always happen.


Can you run the user Diagnostic...not as definitive as Apple's own AST2 (Apple Service Toolkit) back bench diagnostic, but may kick out an error code.


Use Apple Diagnostics to test your Mac

https://support.apple.com/en-us/HT202731



To trouble shoot further you can:


—Try a SafeBoot https://support.apple.com/en-us/HT201262



Takes noticeable longer to get to the login screen, does a 5 minute disk repair before it fully boots up, and certain system caches get cleared and rebuilt, including dynamic loader cache, etc.

Login and test. Reboot as normal and test. Caches get rebuilt automatically.


In Safe mode third party system modifications and system accelerations are disabled, it removes malware, etc hampering smooth operation, however a reboot will put it back to normal mode.


This test will tell you if third party interference; extensions etc are not loaded in safe boot mode.



—Test issue in another user (or guest user) account https://support.apple.com/guide/mac-help/set-up-other-users-on-your-mac-mtusr001/mac

This will tell you if it a universal issue or isolated to your user/admin account. 



Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus


MacBook Pro 13 (late 2019) some problem with speakers

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