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April 2nd, 2025 15:58
P2419H, HDMI, Mac Pro, no HDMI signal
Good afternoon!
I am contacting you for a Dell P2419H monitor. I connected it to my Mac Pro through the HDMI port. Both the laptop and the screen have one only HDMI port. I am sure they are somehow connecting, because my Mac shows me the Screen Dell P2419H and all the commands to manage it, but the latter shows the message "No HDMI signal from your device". I tried with two HDMI cables (one of which is brand-new), but still no solution. I even tried many options in the "screen resolution" settings of my laptop, bit still nothing. Could you help me please?
Many Thanks
Nicola
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DELL-Chris M
Community Manager
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56.8K Posts
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April 2nd, 2025 16:23
Dell Support must verify the ownership and warranty status. Click the blue "Get Help Now" on the right to start a private live chat session. Share the private P2419H Service Tag with them.
Is there a Windows PC there with HDMI out port to test the P2419H HDMI in port to see if the same issue happens?