AC-3 is an audio codec that supports multi-channel (“surround sound”) audio. It's also known as Dolby Digital. On versions of Windows prior to Windows 11, version 24H2, the AC-3 codec is included. Beginning with Windows 11, version 24H2, the AC-3 codec is no longer included with Windows.

Find out what capabilities that your PC’s video card needs, for capturing game clips and screenshots on Windows PC.

To resolve this, see how to fix outdated or corrupted codecs. This error may occur when there's an issue with the playback of media files. To resolve this, see Troubleshoot playback problems with Windows Media Player.

To resolve this issue, follow these steps. After you complete each step, test to determine whether the issue is resolved. Note Windows Media Player supports the most common media file formats. However, it does not support every media file format that is currently available.

ASF is an extensible file format that stores synchronized multimedia data. It supports data delivery over a wide variety of networks and protocols. It is also suitable for local playback.

To determine if the Microsoft Basic Display Adapter is being used on a Windows device, select one of the following two methods: When the Microsoft Basic Display Adapter driver is being used by a display adapter, Microsoft recommends updating it to instead use the manufacture's driver.

Fix your media file that won't play in PowerPoint. For a complete list of supported video formats, see Video and audio file formats supported in PowerPoint. Video: We recommend that you use .mp4 files encoded with H.264 video (also known as MPEG-4 AVC) and AAC audio.

Turn on spatial sound in Windows.

Learn which network ports are used when configuring a firewall or router to use with an Xbox console and Xbox Live.

To see the supported refresh rate and resolution for single or dual external displays, select your Surface device. Note: While the device may be capable of the resolutions below, how you have the device connected is important and may limit the resolution or refresh rate you are able to achieve.