If you have a device that doesn't connect to this port, you can use an adapter to connect it. You can also connect a USB-C power adapter and cable to charge your laptop computer. Use these ports with displays and other devices that connect using either a Thunderbolt 3 cable or USB-C cable.
MacBook Pro (13-inch, 2016, Two Thunderbolt 3 ports). MacBook Pro (13-inch, 2016, Four Thunderbolt 3 ports). If you have a Mac desktop or a MacBook with a removable battery. Release all keys at the same time, then turn on your Mac. MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports) Press and hold Shift + Control + Option + Power button simultaneously. MacBook Pro (13-inch, 2017, Four Thunderbolt 3 ports) Control the settings for your Macs Output, Input, and Sound Effects audio devices right from your menu bar. MacBook Pro (13-inch, 2018, Four Thunderbolt 3 ports). MacBook Pro (13-inch, 2019, Four Thunderbolt 3 ports). MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports). MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports). MacBook Pro (13-inch, 2020, two Thunderbolt 3 ports). Start with the steps recommended in this support article. Back up all data before making any changes. Please take each of the following steps that you haven't already tried. Only 'Digital audio out' as the only output source displayed in the Sound panel of the System Preferences. There are many possible reasons for sound output to fail. A red light continues to emanate from the audio output port. Pin 20 DP_PWR Power for connector (3.These Mac models have Thunderbolt 3 ports: A no parking like symbol appearing below the sound icon whenever you attempt to manipulate the volume on your Mac. Pin 17 AUX CH (n) Auxiliary Channel (negative) Pin 15 AUX CH (p) Auxiliary Channel (positive) (These should be pin 15-17)īe happy! Pin 1 ML_Lane 0 (p) Lane 0 (positive) Cut it in the middle and solder all the pins back together, avoiding. 
Take a look at the pin assignments of DisplayPort.Or maybe a software solution, something like AudioMate for example could do the trick.īut I would suggest you do the following: It's kind of a strange solution but it'll work and pretty much everyone has the know-how to do it. Someone should confirm this but I think you could get a cheap usb sound card, which would allow you to completely ignore the internal soundcard, thus only showing you devices connected to the usb card. I think somehow it must be possible to deactivate the proper kernel device that's responsible for sound over HDMI/DisplayPort but it's hard to say how easy this can be accomplished, how that will corrupt functionality or how easy it will be to reverse. I havn't had a Mac for quite a while now, but I'm pretty sure you can't.
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