Hi needs to know 1955,

Welcome to the Community

You will need to download the compatible audio drivers for your computer; you can find the audio drivers for your Dell computer at:

http://support.dell.com/

You can select your system model on the website or you can find the drivers using the service tag number of your computer.

if you are not able to find the drivers, please let us know which system model you have and the operating system on your computer, so we can assist you further.

Always glad to help.

Thank you

Aashish Sengar

Social outreach Professional

You can reach us at http://en.community.dell.com/