Check Discord Status:

Visit status.discord.com first. Discord outages happen. If services are down, wait for Discord to fix.

Audio Settings:

User Settings > Voice & Video. Verify Input and Output devices are correct. Test with the built-in test buttons.

Reset Voice Settings:

Scroll to bottom of Voice & Video settings. Click "Reset Voice Settings". Restores defaults which often fixes issues.

Disable Hardware Acceleration:

Settings > Advanced > Hardware Acceleration. Turn off. Causes problems on some systems.

Clear Discord Cache:

Press Win+R, type %appdata%/discord. Delete Cache, Code Cache, and GPUCache folders. Restart Discord.

Update or Reinstall Discord:

Press Ctrl+R to refresh Discord. If issues persist, completely reinstall the application.

Conclusion:

Reset Voice Settings fixes most audio problems. Corrupted cache commonly causes issues. Discord is reliable after proper setup.