Also i have my amazon firetv connected via hdmi with no issue.
Hdmi cable macbook pro not working.
You may have to do some or all of the above steps to get sound coming out of your tv when connected using a displayport to hdmi cable to your macbook pro.
Connects to hdmi using a third party mini displayport to hdmi.
1 try a different hdmi cable.
Select the hdmi device on the left panel and change the format values to 00hz.
When i try to connect the p2419h using the usb type c to hdmi cable the same message is.
Connects to hdmi using an adapter such as the apple usb c digital av multiport adapter.
But still when i connect the macbook pro the laptop see the tv but the tv show no signale.
Now make sure you let us know which method worked for you in the comment section below.
The p2419h gives the notification that it is going into psm power saving mode and the screen shows no dp signal detected.
Connects directly to hdmi using an hdmi cable.
Mac computers that have any of the following ports can connect to hdmi devices.
I then had to disconnect my macbook pro to take it elsewhere.
When i returned and tried to connect it the same way it did not work.
Learn how to identify the ports on your mac.
It was working fine for so long with the same tv with no issue.