Fluctuating Volume across entire system


hi everyone,

have weird problem. i've found multiple forum , discussion threads on issue dating 2010.

without apparent reason or trigger point, volume on mid-2010 mac pro started fluctuating on it's own.
there no observable factor affects or triggers volume fluctuation.
i've tried deleting itunes plist files, done pram reset, complete power cycle including ups. nothing seems able resolve it.
it's become extremely frustrating creative work revolves around having edit audio well.

1 has come viable solution these past 5 years?


mid-2010 mac pro
mac os 10.5.5
256gb ssd
64gb ram
audio output: line out
 

any more details, or examples? mean volume fluctuating?
 


Forums Macs Desktops Mac Pro


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