Fix sound or audio problems in Windows - Microsoft Support
Select and hold (or right-click) the listing for your sound card or audio device, then select Update driver > Browse my computer for drivers > Let me pick from a list of available drivers on my computer.
Fix microphone problems - Microsoft Support
Restart your computer. Windows will attempt to reinstall your audio devices and drivers automatically. If it does not, right-click the Start button and select Device Manager. Right-click the Sound, video and game controllers section and select Scan for hardware changes.
Troubleshoot Surface sound and audio accessories
Troubleshoot Surface sound and audio accessories. Find solutions if your Surface speakers aren't working or you're experiencing built-in speaker issues.
Fix Bluetooth problems in Windows - Microsoft Support
Check in quick settings: Select the Network, Sound, or Battery icons ( ) on the right side of the taskbar, look for the Bluetooth quick setting, then select Bluetooth to turn it on. You’ll see “Not connected” if your Windows 11 device isn’t connected to any Bluetooth accessories.
Fix connections to Bluetooth audio devices - Microsoft Support
If pressing the Connect button in action center doesn't find your device in Windows 10, here are some things to try:. Check action center to see if your Windows device supports Bluetooth. If it does, there'll be a Bluetooth button in action center. Make sure it's turned on.
Troubleshoot common error messages for audio or video apps
No error messages will be displayed. First, try closing and then re-opening your audio or video file after the error message is displayed. This might be all it takes to resume your audio or video …
Troubleshooting issues with Skype call quality
Check your computer and internet connection. A bad connection can cause dropped calls, blocky or frozen video, and poor sound. If you are having a bad connection, you may receive a notification saying Poor network connection .
Make Windows easier to hear - Microsoft Support
Windows lets you convert stereo sound into a single channel so you can hear everything, even if you're using just one headphone. Select the Start button, then select Settings > Accessibility > Audio , and then switch on the Mono audio toggle.
My microphone isn't working in Microsoft Teams
Check sound settings (Windows) Go to your Windows settings to make sure your microphone is enabled and unmuted. From Windows Start, open your device Settings.
My speaker isn't working in Microsoft Teams
Check sound settings (Windows) Go to your Windows settings to make sure your speaker is enabled and unmuted. From Windows Start, search and select Sound settings.