Try to use a different cable to connect your mac to your display if possible.
Mac hdmi cable to tv not working.
Having trouble with your hdmi port not detecting your monitors or tvs all of a sudden.
Mac computers that have any of the following ports can connect to hdmi devices.
From the drop down menu choose your hdmi connected tv.
This 2019 macbook pro catalina 10 15 2 works on a different tv using the same usb c to hdmi adapter.
Connects to hdmi using an adaptor such as the apple usb c digital av multiport adaptor.
Usb c or thunderbolt 3 usb c port.
If you haven t already swap out your hdmi cable for a hi speed hdmi cable with a speeds of at least 10 2 gbps but preferably 18 gbps.
Select your tv as a sound output device.
Connect one end of the video cable or an adapter if necessary to the computer s thunderbolt port hdmi port or dvi port then connect the other end of the cable to the tv s video input port.
Connects to hdmi using a third party mini displayport to hdmi.
If you need to adjust the resolution on your tv choose apple menu system preferences click displays then click display.
Connects directly to hdmi using an hdmi cable.
Use a different port.
Select default for display to automatically use the best.
Use a different hdmi cable.
In the case that your hdmi cable is damaged replacing it with a new one should resolve the issue.
So i know the adapter supports audio but it will not work on the tv in question.
Press and hold the option key on the keyboard and click on the speaker icon in the mac menu bar in the top right corner of your screen.
Learn how to identify the ports on your mac.
Learn how to identify the ports on your mac.
Check the documentation for your display to see if it includes built in controls.
Now test if this solved your problem.
Mac computers that have any of the following ports can connect to hdmi devices.
If you have an hdr enabled device such as a uhd blu ray player or streaming device connected to an hdr compatible tv it s possible that the tv is not recognizing the hdr encoded content.
If it didn t check the following method.
For example you can use a usb c to hdmi cable for some mac models.
Connects directly to hdmi using an hdmi cable.
Usb c or thunderbolt 3 usb c port.
Displays not made by apple sometimes have brightness and color adjustments built into the display.
Go to system preferences click display hold down the alt option k.
Connects to hdmi using an adapter such as the apple usb c digital av multiport adapter.