USB-C to HDMI adapter not working

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USB-C to HDMI adapter not working

I recently bought a belkin USB-C to HDMI adapter from the apple website, and when I plug it into my Macbook Pro 2019 I get a pop-up saying "USB accessories disabled. Unplug to accessory using too much power to re-enable USB devices". This occurs even when I just plug in the adapter, without an HDMI display attached. I'm updating to macOS Big Sur today so we'll see if that fixes the issue.

It's pretty disappointing to see a product sold on the Apple website not work with the device it's designed to work with.

MacBook Pro 16″, macOS 10.15

Posted on Nov 13, 2020 7:59 AM

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Answer 1

Dec 6, 2020 10:12 PM in response to wyatt_j

Did it work with big sur? im trying to connect 2 monitors on a new mac mini 2020 running big sur and i was using a usb 3.0 to 2 hdmi but big sur still not support this adapter, so my next option was to connect one screen to the hdmi port and the other on a usb-c port using this belkin usb-c to hdmi adapter

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Answer 2

CarlAVII

Community Specialist

Nov 19, 2020 2:58 PM in response to wyatt_j

Hi wyatt_j,

Thanks for reaching out here in the Apple Support Communities.

We see that you are having an issue with your USB-C to HDMI adapter that you purchased from Apple, and we're glad to help.

Since this adapter is compatible with your Mac, let's isolate a little for why you see this alert.

Many things could be causing this, from too many items using USB, to a bad HDMI cable.

Check out all the steps in this article for some things to try:

If a Mac accessory needs more power or is using too much power - Apple Support

If you still have an issue, let us know what you tried, and what the results were, and we'll take a closer look.

Take Care.

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USB-C to HDMI adapter not working

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