Hello LucasMonteiro4
Please follow these steps
1.Run the troubleshooter
Open Settings.
Click on Update & Security.
Click on Troubleshoot.
Select the Playing Audio option.
Click the Run the troubleshooter button.
If That didn't work
2.Rollback the drivers
Go to Device Manager > select audio inputs and outputs > right click in the Speakers > Properties> Drivers > Roll back Driver
3.Try update or uninstall and reinstall the drivers
How update drivers
Go to Device Manager > select audio inputs and outputs > right click in the Speakers > Update driver
If that didn't work
Uninstall and install the drivers
Go to Device Manager > select audio inputs and outputs > right click in the Speakers > Uninstall Restart your PC, and Windows will attempt to reinstall the driver.
If Windows doesn't find a new driver, you can try looking for one on the device manufacturer's website and follow their instructions.
I hope it helps