Sound Goes Off... Then Comes Back On

some weirdness going on in mbp of late.

sound works fine, of sudden, dies 7-8 seconds (and speaker @ top right greys out), , back on again.

, cycle repeats itself.

else have this, , solutions?

thanks!

 

still persistent issue... ideas?

 

Forums Macs macOS Older OS X Versions Mac OS X Lion (10.7)

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