Find the sound icon in the system tray, right-click on it, and select the option that says Open Volume mixer.The default file formats are Windows Media Video (WMV), Windows. It’s worth checking it to see if the volume level for your current browser is muted or is at a very low level that you can’t hear anything. It was made available for Windows XP and is included in Windows Vista and Windows Server 2008. Volume Mixer is a utility that can be launched from the system tray and it lets you define volume levels for each app on your computer. If you choose to do the latter, you shouldn’t have much trouble migrating your data as there are a number of ways to export browser files and bring them into your new browser. You can then either wait for the developer to push an update for your current browser, or you can simply permanently switch to the browser that works with YouTube.
If the video plays the sound without any problems, it’s likely your previous browser had an issue. If you’re a Chrome user, you can switch to Firefox and try and play your video. Released on 21, 2008, the Windows XP Service Pack 3, or SP3 for short, comes with no visual changes and lots of under-the-hood improvements over its precursor, the SP2, as well over. It may be your browser has some core issues and so it prevents YouTube from playing any sounds. If even the incognito window doesn’t fix your no sound on YouTube issue, you might want to switch to another browser to see if the issue still persists.
