macbook won't work with hdmi cable to tv

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dronmadden Author

Level 1

4 points

macbook won't work with hdmi cable to tv

having issues connecting via hdmi cable to a hisense tv... says weak or no signal afer it worked for about 10 seconds

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Posted on Dec 3, 2022 10:43 AM

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Answer 1

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dronmadden Author

Level 1

4 points

Dec 3, 2022 1:19 PM in response to Grant Bennet-Alder

I figured out that it's not a problem with the cables or the MacBook pro M1 but it's the Hisense tv which is the problem because I hooked it up to an old Samsung tv and everything works. Weird though because the Hisense tv's HDMI ports work fine with Google home devices.

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Answer 2

Dec 3, 2022 2:42 PM in response to dronmadden

If its a nicer TV, it could be cables -- HDMI cables require a bit of black magic:

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" --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.

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Answer 3

Dec 3, 2022 10:57 AM in response to dronmadden

what model-year MacBook Pro, and what processor?

what version MacOS?

what cables, adapters, and docks are being used? please mention every device.

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