Sometimes, speakers are not working because of the windows audio services. so i will ask you to restart the windows audio service. after that you should try to restart your laptop. it will start working fine.
- Open Device Manager
- Press Windows + X and select Device Manager.
- Expand Sound, video, and game controllers.
- Right-click on your audio device (e.g., Realtek Audio) and choose Update driver.
- Select Search automatically for drivers to update.
- If updating doesn’t work, select Uninstall device, restart your laptop, and let Windows reinstall the driver automatically.