


At the same time, the software giant is also providing users with a list of audio drivers and devices that fail to play nice with Vista SP2. KB948481 also describes a range of steps designed to let do-it-yourselfers manually troubleshoot and resolve any sound problems. For example, if you previously had surround sound, you may now have stereo sound,” Microsoft explained. The Sound Controller in Device Manager displays a yellow exclamation point. The speaker symbol next to the clock in the notification area may display the following message: No Audio Output Device is installed.
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“After you install a Windows Vista service pack, you may experience one or more of the following problems with sound: no sound is produced when you play audio files or run programs that have an audio component. Microsoft is essentially providing a Fix It button and associated solution that will help users troubleshoot any sound issues introduced with the installation of a new service pack. Fortunately enough, the software giant provides users with an automated solution for eventual sound problems via KB948481. In this manner, the Redmond company is acknowledging that Vista users can run into issues related to sound once they upgrade their platform either to SP1 or to SP2. Microsoft is making it easy for users running Windows Vista Service Pack 2, but also SP1, to resolve sound problems affecting the operating system after the deployment of a service pack.
