🔊 No Sound on PC After Windows Update – How to Fix It (2026)

If you have no sound on your PC after a Windows update, you’re not alone. This is a very common issue in Windows 10 and Windows 11 and is usually caused by audio driver or settings problems, not hardware failure.

Below are step-by-step fixes that actually work.

🔍 Why Audio Stops Working After an Update

  • audio driver replaced or corrupted
  • wrong output device selected
  • Windows Audio service stopped
  • sound enhancements causing conflicts

✅ Fix 1: Check the Audio Output Device

  • Click the speaker icon
  • Make sure the correct speakers/headphones are selected

✅ Fix 2: Restart Windows Audio Service

  1. Press Win + R → type services.msc
  2. Restart:
    • Windows Audio
    • Windows Audio Endpoint Builder

✅ Fix 3: Reinstall Audio Driver

  1. Open Device Manager
  2. Expand Sound, video and game controllers
  3. Right-click audio device → Uninstall
  4. Restart PC

✅ Fix 4: Disable Audio Enhancements

  • Sound settings → Device properties
  • Turn off Enhancements

✅ Final Thoughts

In most cases, reinstalling the audio driver or restarting services restores sound immediately.