Fix sound or audio problems in Windows - Microsoft Support
Select the volume control and adjust to the desired volume level. Select the Unmute speakers icon . Check your device properties to make sure that your devices have not been disabled by mistake.
Surface sound, volume, and audio accessories - Microsoft Support
You can control the volume on your Surface in several places: Volume button: Press the volume button on your Surface to adjust the volume up or down. Keyboard: If your Surface Typing Cover or other keyboard has volume keys, press the volume-down, volume-up, or mute keys.
Troubleshoot Surface sound and audio accessories
You can control the volume in several places: Volume button: Press the volume button on your Surface to adjust the volume up or down. Keyboard: If your Surface Type Cover or keyboard has volume keys, press the volume-down, volume-up, or mute key. Desktop taskbar: In the desktop taskbar, select Speakers , and adjust the volume control up or down.
Set up and configure your Xbox Wireless Headset
The Xbox Wireless Headset connects wirelessly with Xbox Series X|S and Xbox One consoles (pairing with the console in the same manner as an Xbox Wireless Controller). The headset can also connect via Bluetooth to Windows, Android, and iOS devices.
Troubleshoot audio on your Xbox console
Troubleshoot audio on your Xbox console. If you're having problems with your audio or have no sound at all, first check that: The TV audio is not muted and is at a reasonable volume. Your external or built-in TV speakers are properly connected and turned on.
Use Surface Headphones - Microsoft Support
When you have your headphones connected to your Windows 10 PC or mobile device, you can use your digital assistant to control the volume, make calls, and more with your voice. To activate your digital assistant, tap and hold the touch area on either ear until you hear a beep.
Choosing speaker audio settings on your Xbox console
Select Profile & system > Settings > General > Volume & audio output. Under Speaker audio, you can adjust the following settings: HDMI audio - Keep this set at Stereo uncompressed unless your HDMI cable is plugged into a receiver that can process 5.1 or 7.1 uncompressed signals.
Manage Surface Headphones settings - Microsoft Support
After you have set up your Surface Headphones, you can use the Microsoft Surface app to update them and manage settings. Here are some of the settings and things you can do in the app.
How do I control other devices using HDMI-CEC? | Xbox Support
Xbox Series X|S consoles can use an HDMI feature called Consumer Electronics Control (CEC) to send commands to and from CEC-enabled devices (such as TVs and AVRs) that are connected to the console. This feature can be turned on and off via the TV & A/V power options settings screen.
Guide for people who are deaf or hard of hearing
Most speakers have a volume control, and you can also control speaker volume using Windows. To change the speaker volume for your computer, select the Speakers button in the notification area, and then move the slider right or left to increase or decrease the speaker volume.