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Forums › Mac OS › mute on macbook pro


42 posts

Geek
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Topic # 128817 24-Aug-2013 14:10
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Hi all,

my macbook pro's key have been playing up since this morning. i don't know if its hardware or software problem.

when i press any alphabet keys on the macbook it either mutes or un mutes the macbook. it is very random. sometimes pressing 'r' 'k' or 'c' mutes .

i have restarted my computer a few times but in vain.

just wondering if anyone has had same problem or has any solution.

Cheers!

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561 posts

Ultimate Geek
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  Reply # 883877 24-Aug-2013 14:21
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Have you tried resetting the SMC/PRAM?




Apple Certified Support Professional (ACSP) 10.10, MCITP 2008

561 posts

Ultimate Geek
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  Reply # 883878 24-Aug-2013 14:22
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Oh also does the same thing happen with an external keyboard?




Apple Certified Support Professional (ACSP) 10.10, MCITP 2008



42 posts

Geek
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  Reply # 883886 24-Aug-2013 14:56
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its very random, i haven't tried reseting SMC/PRAM... will try that

and it only happens with in built keyboard. external keyboard works fine



42 posts

Geek
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  Reply # 883903 24-Aug-2013 15:41
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i think reseting SMC/PRAM have resolved the issue for now. will monitor it for some time

Cheers!

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Ultimate Geek
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  Reply # 883913 24-Aug-2013 16:09
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Hopefully that was the issue.




Apple Certified Support Professional (ACSP) 10.10, MCITP 2008



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Geek
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Reply # 895516 14-Sep-2013 07:39
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the problem has started again. its the random keys that enable or disable mute. it usually happens for some time after my macbook comes back on from sleep or when i switch it on.

5153 posts

Uber Geek
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  Reply # 895532 14-Sep-2013 09:31
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What model MBP?

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  Reply # 895541 14-Sep-2013 10:46
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Did you originally reset the SMC or the PRAM? They're both different. The SMC should sort this.

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Uber Geek
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  Reply # 895549 14-Sep-2013 10:49
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There was an issue reported with some earlier (pre 2009?) MBPs that affected the keyboard and trackpad. Not sure what year yours is, but this may help.

http://gigaom.com/2009/04/06/the-curious-case-of-the-missing-macbook-pro-keyboard-and-trackpad/

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  Reply # 895551 14-Sep-2013 11:04
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If you're running 10.7 or later then reboot into the recovery system (Cmd-R at boot). If you're using 10.6 then boot from the DVD. Open up Terminal from the Utilities menu and try typing some stuff and see what happens. That'll track down whether it's a software or hardware issue.



42 posts

Geek
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  Reply # 895653 14-Sep-2013 18:15
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RunningMan: There was an issue reported with some earlier (pre 2009?) MBPs that affected the keyboard and trackpad. Not sure what year yours is, but this may help.

http://gigaom.com/2009/04/06/the-curious-case-of-the-missing-macbook-pro-keyboard-and-trackpad/


ok will try



42 posts

Geek
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  Reply # 895654 14-Sep-2013 18:16
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gehenna: Did you originally reset the SMC or the PRAM? They're both different. The SMC should sort this.


i reset PRAM will do SMC this time



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Geek
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  Reply # 895655 14-Sep-2013 18:18
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RunningMan: What model MBP?


Mid 2012 2.9 GHz intel core i7, 8gb 1600 MHz DDR3 Ram, 750 gb HDD

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  Reply # 895657 14-Sep-2013 18:32
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Given the age, that link I posted is probably not relevant. Ring Apple, and get it logged as a fault before your warranty expires



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Geek
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Reply # 895658 14-Sep-2013 18:43
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RunningMan: Given the age, that link I posted is probably not relevant. Ring Apple, and get it logged as a fault before your warranty expires


it already has... in july :(

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