- Make headphones default
- Uninstall and reinstall audio devices
- Adjust Realtek settings
- Perform windows update
- Go to your startup menu.
- Search control panel
- Click sound settings
- Go to playback
- Right-click on headphones
- Set as default communication device
- Right-click on speakers and set as default device
- Click communication on the right top corner
- Now select do nothing
- Apply changes by clicking okay
After setting your headphones as a default, try listening to some music to counter-check your audio still plays through both the headphones and speakers if it plays through your headphones alone. You're good to go.
Running on non-updated audio devices could be why your headphones and speakers are playing at the same time. That's why you must update them. If your sound drivers are not up to date, follow this procedure to update them.
- After it finishes installing, close the device manager.
- Now it's time to start afresh. Download your audio drivers.
- Install your audio drivers
- After it finishes installing, restart your computer if it doesn't restart automatically.
- If you don't want to uninstall your drivers, click update driver software.
- Go to the startup menu
- Control panel
- Click troubleshooting
- Click hardware and sound troubleshooting should begin immediately.
- Go to control panel
- Click hardware and sound.
- Click Realtek HD audio manager. Or whatever program you're using on your computer.
- Click the yellow folder icon and unpick "disable front panel jack detection."
- Locate "device advanced settings" on the top right corner. It should indicate "mute the internal device when an external headphone is plugged in." This is why both headphones and speakers play at the same time.
- Select "make internal and external output devices playback two different audio stream simultaneously." With this option, when you plug in your headphones, your speakers should automatically stop playing. Similarly, when you unplug your headphone jack, the speakers should play.
- Let's say you want to take it a step further by allowing your PC to produce sound only through your headphones. In that case, select "disable front panel jack."
- Select "make internal and external output devices playback two different audio streams simultaneously." Now speakers will not play. Only your headphones play.
Also, note that this procedure might vary depending on your PC or laptop brand. It also varies on both windows 7, 8, and 10. Therefore, juggle your way, experiment with your PC or laptop until you find a solution.