Sometimes the headset is listed as a generic audio device, such as Generic USB Device or USB Audio Device. For example, you may see Plantronics USB Headset instead of. In some cases, the headset is not identified by name in the list of devices.You may need to close re-open your audio program in order for the changes to take effect.Click the Output tab, and then click your headset.Click the Input tab, and then click your headset.On the Recording tab, click your headset, and then click the Set Default button.On the Playback tab, click your headset, and then click the Set Default button.Under the Sound tab, click Manage Audio Devices.Click Hardware and Sound in Windows Vista or Sound in Windows 7.Click Start, and then click Control Panel.