![]() If these steps don’t fix the problem, it may be due to an outdated driver, or a hardware fault. ![]() If you are connecting through a Mini DisplayPort adapter, make sure your Mac can send audio through Mini DisplayPort. To troubleshoot this issue, first check that your HDMI device is selected as the output device in System Preferences > Sound. It is possibe that the HDMI port on your MacBook Pro is not working properly. Troubleshooting MacBook Pro HDMI Connection Issues Additionally, the port supports CEC (Consumer Electronics Control) commands, allowing compatible devices to be controlled from the laptop. The port supports up to 32 channels of uncompressed audio, as well as HDCP 2.2 content protection for streaming services such as Netflix or YouTube. ![]() HDMI 2.0 ports are capable of carrying video and audio signals up to 4K resolution at 60 frames per second (FPS), and can also carry audio-only signals such as Dolby Atmos or DTS:X. The 2021 MacBook Pro models include a HDMI 2.0 port, the current standard for HDMI. What HDMI Capability Does the MacBook Pro Have?
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