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Mac Studio HDMI Disconnecting and reconnecting every 30 seconds

I recently bought a Mac studio and connected it via HDMI to a Samsung Monitor. The monitor cuts out black for a few seconds every 20 to 30 seconds. I’ve trouble shot different hdmi cables. Any ideas?


Thank you.

Mac Studio, macOS 12.5

Posted on Aug 6, 2022 7:43 AM

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Question marked as Top-ranking reply

Posted on Aug 6, 2022 8:15 AM

What model is the Samsung monitor?


If a short Premium Certified HDMI cable as Grant suggest's doesn't fix the black-out issue.


Then perhaps the Samsung has another input like USB-C, DisplayPort or DVI that could be used instead of HDMI.

see > Connect a display to Mac Studio - Apple Support

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4 replies

Aug 6, 2022 8:00 AM in response to Atazee

that is likely a cable issue.


HDMI cables you want for HDMI-only Monitors (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" --OR--

"Ultra High Speed HDMI cable" or that + "48G"


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


Mac Studio HDMI Disconnecting and reconnecting every 30 seconds

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