Symptoms
The mic will intermittently stop working.
Affected Dell Alienware Headset Model
AW720H
Cause
This behavior is caused by the firmware of the headset.
Resolution
Update Firmware
To resolve this issue, update the firmware on the headset and USB dongle to the latest version of the firmware. Updating either one may only cause the headset to have issues or not to work.Alienware Dual Mode Wireless Gaming Headset AW720H Firmware and Applications
If the issue persists, follow the workaround below:
Switch to "Other Devices" in the "Audio Settings" screen and then switch back to "Headset (AW720H Chat)."Turn Off the sound Settings and turn them back On.Reinsert the USB dongle connection and Restart the headset.
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