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MacBook Pro M1 2020 Skipping Video/Audio via HDMI

My MacBook Pro M1 2020 (Ventura 13.2.1) used to play video to my TVs via a USB-C to HDMI adapter, but now it will only play video from clips or games in fast forward or at normal speed without audio. It is set to play audio out to the devices, not the MacBook speakers. It was fine a week ago, but now it won't work on multiple TVs, HDMI cables, and adapters, so I'm confident it's a software issue with my computer.


Note: Apple grabbed the OS 11.1 from a different laptop but won't let me change the listing. It is 13.2.1.

MacBook Pro 13″

Posted on Mar 24, 2023 6:53 AM

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Posted on Jan 25, 2024 11:56 AM

January 2024 still no fix for this. Sonoma 14.3

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Jun 27, 2024 5:51 AM in response to jordandupton

PROBABLE SOLUTION - HDMI CABLE


I had this problem since 2021 (Monterey?) but was not always evident. Restarting with the HDMI output hooked up never helped me, but on some setups it just did not happen and the sound was flawless.


I went to the Genius Bar yesterday and although they said they were not tracking this issue, they sat and troubleshot with me using one of their LG monitors with speakers. I used all the different dongles I had tried (Anker x 2, Apple etc) and we tried our best to re create the issue but the sound glitching never happened. The ONLY thing I did not bring was all the HDMI cables I was trying, and I had tried a lot. BUT I had always just been trying old cables that I had in my drawer of 100 HDMI/DVI/VGA cables thinking surely trying lots of different ones would discount the cable....I think I was WRONG. Cables matter for bitrate, we all know this, but I figured surely these were a good cross section, even using the one from my (old) Apple TV or my kids switch.


Then I bought a $2.99 monoprice one from Amazon that is 4k certified. And it solves the issue. On every setup I have, with every dongle I have tried. Even the 8k certified one is only about $10.


So, YMMV, but even when you think you have tried everything, and lots of HDMI cables, maybe buy a new one, and give yourself permission to throw all those old ones out. Good Luck!

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Jun 29, 2024 11:14 AM in response to Billy_21

Probable solution - HDMI cable.


I’ve posted this before, but it seems to keep disappearing so I’ll keep it short. After troubleshooting at the Genius Bar, we narrowed it down to the HDMI cable. At some point apple must have upped the data rate being pushed through, even if it’s not a high res output. So, I bought a 4k certified cable (monoprice brand $2.99 on Amazon) and this solved my issues on every setup I’ve tried.


YMMV but this definitely was the fix for me. Good luck.

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MacBook Pro M1 2020 Skipping Video/Audio via HDMI

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