1

I purchased a brand new MBP and a cable was included in the box, it has USB-C type connectors on each end and works for charging the computer.

When, instead of charging with the brick, I plug it into my new iMac, I get this error message:

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Why do I see this? How do I fix the problem?

This message implies that I have connected the "accessory" (iMac) using a non-Thunderbolt port on the MacBook Pro. However, the marketing materials on apple.com tell me that all the ports are Thunderbolt ports:

enter image description here

  • What is it that you intend to do by connecting the iMac to your MacBook Pro using the supplied USB C cable? – Nimesh Neema Dec 10 '18 at 16:12
  • I'd like to charge the computer and share the internet connection – William Entriken Dec 10 '18 at 16:20
  • I don't think this cable can do both at the same time. I thought the included cable was only good for usb-c charging of the MBP? – fsb Dec 10 '18 at 16:42
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To slow charge your Mac Book Pro from your iMac, you can connect the USB-C Cable. Unfortunately It seems with recent updates is shows this error on both the MBP and iMac screen. However despite this happening, charging is still occurring.

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