I took out my hdmi cable plugged in the usb c and the external monitor.
Mac hdmi cable not working.
Connects directly to hdmi using an hdmi cable.
Connects to hdmi using an adaptor such as the apple usb c digital av multiport adaptor.
Connects to hdmi using an adapter such as the apple usb c digital av multiport adapter.
Connects to hdmi using a third party mini displayport to hdmi.
Usb c or thunderbolt 3 usb c port.
What can he do.
Unfortunately hdmi was totally dead.
Use a different port.
Inspect the hdmi port connections and see if the cable is correctly fixed in the port.
Hdmi sound not working mac if the issue is with your computer or a laptop you should try using restoro which can scan the repositories and replace corrupt and missing files.
It could be copy protection.
Learn how to identify the ports on your mac.
Mac computers that have any of the following ports can connect to hdmi devices.
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.
This works in most cases where the issue is originated due to a system corruption.
Mac computers that have any of the following ports can connect to hdmi devices.
Jack bought the hdmi adapter for his iphone to watch video on the tv and it doesn t work.
Apple says to be sure the tv is set to the right hdmi.
But you d think that if apple sells the item they wouldn t break it with an update.
You can easily do it by using the cable to connect another pc with its monitor or tv.
Connects directly to hdmi using an hdmi cable.
Usb c or thunderbolt 3 usb c port.
I expected a grandiose welcome of a fine hp display.
If that is not that case then plug the cable in the port again making sure that it is not loosely fit.
For example you can use a usb c to hdmi cable for some mac models.
Learn how to identify the ports on your mac.
Leo says that he gets this complaint a lot and there may be an update in ios that broke the connection.
Connects to hdmi using a third party mini displayport to hdmi adaptor.
However the hdmi was not working at all.
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.
Use a different hdmi cable.
I was using a working macbook pro with catalina as the latest os.