Video doesn't play when HDMI is connected to my MacBook Pro

Hey guys. so im plugging my macbook pro to and LG tv through HDMI, i get a screen mirroring, but any video i try to play doesnt work. stremio, youtube, thing on vlc.

i understand maybe its a HDCP problem- but what the can i do to fix that?

i dont want to use airplay cause the videos dont run smoothly on it.

any thoguhts?

thanks



[Re-Titled by Moderator]

MacBook Pro 16″, macOS 15.5

Posted on Jul 18, 2025 4:12 AM

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4 replies

Jul 18, 2025 7:43 AM in response to AMITAIHAYUN

Swapping to a different HDMI cable is a good debugging technique to check for broken cable.


HDMI cables you want for HDMI-only Displays (higher resolutions than 720p TV sets) are marked as Certified with an anti-counterfeiting tag and are labeled:


"PREMIUM High Speed HDMI cable" or that + "with Ethernet" (up to 4K at 30Hz) --OR--

ULTRA High Speed HDMI cable" or that + "48G" (supports higher resolutions and backward-compatible)


Cables with No Certification tags are good for your standard 720p TV set, and not much more.

Video doesn't play when HDMI is connected to my MacBook Pro

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