Windows Audio Not Working or No Sound

Common symptoms

• No sound from speakers or headphones
• Audio devices not detected
• Sound cuts out intermittently
• Microphone not working

Possible causes

• Outdated or missing audio drivers
• Disabled audio devices
• Incorrect default playback device
• Windows Audio service stopped

Step-by-step solution

1. Check Audio Mixer and Volume

   Verify that audio isn't muted or set to very low levels

   Right-click speaker icon in system tray
   Select "Open Volume mixer"
   Check that all sliders are up and not muted

   Note: Also check physical volume controls on speakers or headphones

2. Set Correct Default Device

   Ensure the correct audio device is set as default

   Right-click speaker icon in system tray
   Select "Sounds"
   In Playback tab, right-click desired device
   Select "Set as Default Device"

   Note: Green check mark indicates the default device

3. Update Audio Drivers

   Install the latest audio drivers for your hardware

   Right-click Start button
   Select Device Manager
   Expand "Sound, video and game controllers"
   Right-click audio device
   Select "Update driver"

   Note: Also try downloading drivers directly from manufacturer website

4. Restart Windows Audio Services

   Restart audio-related services that may have stopped

   Press Windows + R, type "services.msc"
   Find "Windows Audio" service
   Right-click and select "Restart"
   Also restart "Windows Audio Endpoint Builder"

   Note: These services must be running for audio to work

5. Run Audio Troubleshooter

   Use Windows built-in audio troubleshooter

   Press Windows + I
   Go to Update & Security > Troubleshoot
   Click "Playing Audio"
   Run the troubleshooter

   Note: The troubleshooter can automatically fix many common issues

Alternative solutions

• Try different audio cables or ports
• Test with different speakers or headphones
• Disable audio enhancements in sound properties

When to seek professional help

• No audio devices appear in Device Manager
• Hardware appears to be physically damaged
• Need professional audio equipment setup