My 2015 IMac speakers only make sound when powering on
My late 2015 IMac is only making the sound when I power it up.
There is no option for built in speaker and headphones don’t work also
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Is there something plugged into the headphone output port?
If so, unplug it.
If you had headphones, buds or a speaker system plugged in and unplugged it?
Try plugging and unplugging it several times.
