You shouldn't have to go back and change the settings. If there are still problems then do as I did and try looking through things (Only recommended if you are good at problem-solving and/or able to grasp the simple settings of a computer device). Keep it highlighted and exit out after testing if the device (letter you highlighted) and your problem should be solved. Getting audio from both your TV speakers and headphones simultaneously may be. Click B and let it play through for headphones output Click A and let it play through for both of your laptop speakers
Same for the top circle (recording outlet). If the bottom circle is highlighted (Headphone outlet) then your laptop knows that your headphones are there. When it opens up you should see two circles at the very bottom, under the letters (A B C D).
The original AirPlay just worked with one speaker at a time, but one of the. Click Hardware and Sound and then Recording. How to Set a Bluetooth Headset or Speaker as the Default Audio on iPhone.
I have seen a similar troubleshooting guide at and it worked really well for me.