Mar 17, 2020 · It is not a faulty USB C adapter because I have the macbook charger connected to the one where the HDMI for the monitor is not displaying, and it is charing my macbook so the adapter itself is working, it just cannot detect the HDMI. It's almost as if this macbook pro cannot detect two HDMI's at the same time because when I unplug the USB C If so, I would recommend you to do the following: Connect your HDMI cable. Click on detect displays, disable mirroring. Install VLC player. With VLC you can use your second screen on full screen mode without the need of mirroring. Share. Improve this answer. Follow. answered May 24, 2012 at 10:45. Aug 3, 2023 · If your MacBook HDMI is not working, try resetting the System Management Controller, select the TV you are connecting to within the Output tab under Sound preferences, confirm that your MacBook is updated with the most recent software, and adjust the display manually by pressing ‘Option - F1.’ Jan 24, 2019 · Audio output not working through HDMI My new M1 Mac Mini running Big Sur 11.1 is connected to two monitors via HDMI (one through the mini's HDMI port, the other through one of the mini's thunderbolt ports). Everything works fine, both audio and video, until the mini goes to sleep. May 15, 2020 · HDMI output to the monitor for video and sound will defaults to volume controls on the monitor: Connect to HDMI from your Mac. Using 3.5mm jack would allow uses of volume controls independently: About the audio ports on Mac. If you would like to give some product feedback: Product Feedback. Mar 26, 2017 · Click the SoundflowerBed icon in the menubar and select either DisplayPort or HDMI as you output. Click the speaker icon in the menubar and select Soundflower. You can also go to System Feb 7, 2021 · Level 7. 22,920 points. Feb 7, 2021 10:31 PM in response to TCherry. That adapter should work to connect the display to a Thunderbolt/USB-C port. Plug the display's USB cable into one of the computer's USB-A ports. If you want to connect to the HDMI port use a HDMI to DisplayPort converter. Feb 10, 2023 · 5. Power Cycle Everything. Power cycling your equipment can be a helpful step in getting your DisplayPort to HDMI connection working properly. Power cycling means turning off your computer, monitor, or TV, unplugging them from the power source for a few seconds, then plugging them back in and turning them back on. Oct 10, 2019 · Hey Alex! Thanks for the help. I am not 100% certain resetting the NVRAM solved the problem, but I'm going to go ahead and mark that it did. In a nutshell, here are the steps I performed in order to get the external displays to work: (1) Reset the NVRAM with the external monitor plugged in via USB-C to HDMI cable (2) Updated to macOS Catalina 10.15 Mar 24, 2023 · MacBook Pro M1 2020 Skipping Video/Audio via HDMI. My MacBook Pro M1 2020 (Ventura 13.2.1) used to play video to my TVs via a USB-C to HDMI adapter, but now it will only play video from clips or games in fast forward or at normal speed without audio. It is set to play audio out to the devices, not the MacBook speakers. o2YShn.