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