I have hp compaq nx6115 laptop I hear no , I have everything help and support directed but still missing something to do so kindly help..!

Check to make sure you don't have the sound muted on the volume bar in the control panel.

Check the volume and mute buttons on the laptop and see if they work

Check for updated audio drivers on the manufactureres website.

You did not post if it was fixed but this will help.
Here (http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00035555&lang=en&cc=us&taskId=101&contentType=SupportFAQ&prodSeriesId=471752&prodTypeId=321957)