In the case that your hdmi cable is damaged replacing it with a new one should resolve the issue.
Mac to hdmi cable not working.
I took out my hdmi cable plugged in the usb c and the external monitor.
3 use thunderbolt to connect to the tv.
Connects to hdmi using an adapter such as the apple usb c digital av multiport adapter.
Use a different port.
2 try a different hdmi port on the tv.
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 expected a grandiose welcome of a fine hp display.
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.
Unfortunately hdmi was totally dead.
1 try a different hdmi cable.
Also i have my amazon firetv connected via hdmi with no issue.
Usb c or thunderbolt 3 usb c port.
This works in most cases where the issue is originated due to a system corruption.
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.
Use a different hdmi cable.
But still when i connect the macbook pro the laptop see the tv but the tv show no signale.
Try to use a different cable to connect your mac to your display if possible.
Connects directly to hdmi using an hdmi cable.
Mac computers that have any of the following ports can connect to hdmi devices.
Connects to hdmi using a third party mini displayport to hdmi.