Because it is down to the way that windows 7 works with audio devices. The back ports in windows sound manager will be set to Default device. In order to make the headphones work for the front ports you need to hi light the headphones right click and select default device.
Adjusting the volume and changing the system sound settings on Windows 10 has always been a straightforward process, but you were only able to manage them using Control Panel.However, starting with the, you can now manage speakers and microphones settings, and it's also possible to adjust the volume on apps and system sound individually using the Settings app.In this, we walk you through the steps to change the sound settings using the new options available starting with the April 2018 Update. You can also click the Device properties link, which opens additional speaker settings using the Control Panel experience:.General — You can enable or disable the speaker and access audio driver information. Levels — Allows you to adjust master volume and balance settings.
Enhancements — Includes settings to enhance audio with special effects. Advanced — Allows you to change default sample rate and bit depth.
Spatial sound — Includes the options to use Windows 10's spatial sound format, including 'Windows Sonic for Headphones' and 'Dolby Atmos for Headphones.' Similar to using the speaker icon in the taskbar, on the Sound page you can also change the system master volume with the slider.You'll also find a Troubleshoot button that starts the audio troubleshooter to fix common sound problems automatically. You'll notice that the 'Volume Mixer' is still accessible, but it'll eventually go away as these settings can now be found in 'App volume and device preferences' page.How to manage advanced Windows sound options using SettingsThe new Sound settings also include a number of advanced options to control volume and input and output devices. (This experience replaces the Volume Mixer, which is still available in the April 2018 Update.)To access and customize app volume and device preferences, do the following:. Open Settings. Click on System. Click on Sound.Under 'Other sound options,' click the App volume and device preferences option.The first thing you'll find on this page is the slider to control the system master volume and adjust all sounds.
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On the right, there are two drop-down menus to select the default speaker and microphone, which are the same settings that you can customize in the Sound page.At the bottom of the page, you can adjust volume for specific apps and system sounds as a percentage of the master volume. Alongside the ability to change the volume for apps and system individually, this page also allows you to select the default output and input device if you have multiple speaker setups and microphones.If you want to revert all your changes, you can use the Reset button to roll back to Microsoft's recommended sound settings. Wrapping things upAlthough the April 2018 Update finally ports the sound options to the Settings app, you'll still need to use the Control Panel experience to change more advanced properties. However, eventually, those options are also expected to move in some form to the Settings app.
More Windows 10 resourcesFor more helpful articles, coverage, and answers to common questions about Windows 10, visit the following resources:.