However the hdmi was not working at all.
Mac to hdmi cable not working.
I took out my hdmi cable plugged in the usb c and the external monitor.
It was working fine for so long with the same tv with no issue.
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.
1 try a different hdmi cable.
But still when i connect the macbook pro the laptop see the tv but the tv show no signale.
Learn how to identify the ports on your mac.
This works in most cases where the issue is originated due to a system corruption.
Use a different port.
Use a different hdmi cable.
I expected a grandiose welcome of a fine hp display.
I was using a working macbook pro with catalina as the latest os.
Usb c or thunderbolt 3 usb c port.
3 use thunderbolt to connect to the tv.
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.
Connects to hdmi using a third party mini displayport to hdmi.
Connects directly to hdmi using an hdmi cable.
2 try a different hdmi port on the tv.
Unfortunately hdmi was totally dead.
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.
For example you can use a usb c to hdmi cable for some mac models.
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.