Please follow this Microsoft article step by step to troubleshoot your sound issue:
https://support.microsoft.com/en-us/windows/hardware/audio/fix-sound-or-audio-problems-in-windows
Before you start, make sure your system has speakers. Most modern laptops and all‑in‑one PCs have built‑in speakers, but many small‑form‑factor and office desktops do not. If yours doesn’t, plug in external speakers or headphones.