A recent discovery on No Audio problems caused by Yahoo Messenger 8.1 on Dell Studio laptops. As confirmed on Dell’s support site and community forum, Dell discovered an issue with their new Studio line of laptops with Yahoo Messenger version 8.1 and their audio driver. Hence, the release of an updated driver to correct the problem.
This problem doesn’t exist when using the beta version of Yahoo Messenger which is Yahoo Messenger 9.0 Beta. To fix the issue, download and install the new updated driver of Dell Studio’s Integrated Audio.
Check out Dell Support for further discussion.