Considering who you seem to be, I am a little confused by the question.  But I normally check to get the Waves MaxxAudioPro utility to operate correctly and then confirm I have that option selected in the advanced settings. Exactly how that might need to be done can very based on the age of the system involved.
Headphone not detected when plugged in, what is your go-to fix?
Headphone not detected when plugged in, what is your go-to fix?