Learn how to identify the ports on your mac.
Hdmi cable macbook pro not working.
Connects directly to hdmi using an hdmi cable.
Usb c or thunderbolt 3 usb c port.
Also i have my amazon firetv connected via hdmi with no issue.
Now make sure you let us know which method worked for you in the comment section below.
I then had to disconnect my macbook pro to take it elsewhere.
Select the hdmi device on the left panel and change the format values to 00hz.
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.
But still when i connect the macbook pro the laptop see the tv but the tv show no signale.
When i returned and tried to connect it the same way it did not work.
When i try to connect the p2419h using the usb type c to hdmi cable the same message is.
Mac computers that have any of the following ports can connect to hdmi devices.
The p2419h gives the notification that it is going into psm power saving mode and the screen shows no dp signal detected.
2 try a different hdmi port on the tv.
Connects to hdmi using a third party mini displayport to hdmi.
3 use thunderbolt to connect to the tv.