Verify that the latest audio drivers are installed. If they are not, download and install them.

To help you install your operating system, drivers, and related software for your Dell system, view or print step-by-step instructions from the Dell Software Reinstall Guide at: http://support.us.dell.com/us/en/kb/org/.

To enable the docking microphone, perform the following steps:

1. Click the Start button, point to Programs, point to Accessories, point to Entertainment, and then click the Volume Control.
   The Volume Control window appears.
2. Click Options and the click Properties.
3. Under the Adjust volume for section, click to select Recording.
4. Under the Show the following volume controls: section, verify that the check box for any listing of mic or microphone is checked and click OK.
   
   NOTE: The docking microphone may be listed as Microphone 2 or Docked Mic.

Visit the Dell Community Forums to find out what others in the Dell user community are saying. The Dell Community Forums provide a place for Dell users to discuss support topics, to learn, and to help each other. Use the message boards to post questions and answers.