Each device rendering sound (stereo headphones, stereo speakers, screen, laptop, surround…) has its own properties. To obtain the best possible under Windows, you must specify your configuration. Windows uses a different effect filters according to the system you use.
Open the Control Panel and then double-click on the icon Sounds and Audio Devices.
In the window that opens, click on the Audio tab and click the Advanced Settings button of heading Audio playback.
Pull down the list Configuration loudspeakers and then select the sound device which can be equipped Stereo speakers for laptop for example.
Finally, click OK twice.