Chosen Solution

Computer plays the startup chime but no other sound when in use like the little sound effect when you change the volume. System preferences, sound, output, only shows the headphones and doesnt mention the internal speakers.

You may have damaged the headphone port, or have a know issue. See this Answer. If this answer was helpful please remember to return and mark it Accepted.

this idea still working now . first i was afraid to push the qtip of the buds stick but i made it.. thank you for this idea… :) :)