Software Tweaks:

• Check the basics: Ensure the volume isn't muted, speakers are selected as playback devices and audio outputs are connected firmly. Restart your computer, as sometimes a quick reboot works wonders.
• Driver update: Outdated or corrupted audio drivers can cause trouble. Update them, or try uninstalling and reinstalling them for a fresh start. Check your computer manufacturer's website for the latest drivers.
• Sound settings: Explore your operating system's sound settings. Check speaker configurations, balance, and audio enhancements. Ensure the correct format (e.g., 16-bit, 44.1 kHz) is chosen.
• Software conflicts: Close unnecessary audio programs running in the background. Conflicting software might be hogging audio resources. Consider updating audio software like media players or codecs.

Hardware Checkup:

• Cable connections: Visually inspect all cables for damage or loose connections. Disconnect and reconnect them firmly to your computer and speakers.
• Alternative devices: Try using different headphones or speakers. If they work, the issue might be with your original device.
• Dust devils: Dust buildup inside your computer can affect audio quality. Open your computer (safely!) and gently clean internal components, especially around fans and sound cards.

If all else fails:

• System Restore: For Windows users, consider reverting to a system restore point from before the audio issues began.
• Seek help: If the problem persists, consult your computer manufacturer's support or a professional technician. They can diagnose and fix hardware issues or perform advanced software troubleshooting.