Ethernet Issues over USB-C

I started having ethernet issues today over USB-C. My workspace is too far from the wifi router in my office to maintain a good connection, so I hardwire internet to my 16" MacBook Pro to fix this.

I have been using a Belkin F4U082 multimedia hub for almost a year and everything worked fine when I left work yesterday. Today the USB 10/100/1000 LAN connection shows "cable unplugged" no matter what I do. I have tested my multimedia port on a similar MBP already and know the port is not the issue.

Any thoughts?

MacBook Pro 16″, macOS 11.2

Posted on Apr 15, 2021 11:28 AM

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3 replies

Old Toad

Level 10

215,196 points

Apr 15, 2021 11:33 AM in response to andybarlow

Have you shut all devices down and rebooted them, starting with the modem, router and then the MBP?

andybarlow Author

Level 1

4 points

Apr 15, 2021 11:55 AM in response to Old Toad

Yes, I had completed these steps 2x already today. I just completed them a 3rd time, though, and it seems to have fixed the issue I was having. Any idea why this issue would come up today and only be resolved after 3 system resets?

Old Toad

Level 10

215,196 points

Apr 15, 2021 12:20 PM in response to andybarlow

Evidently sometimes preference files don't get written to the first time.

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Ethernet Issues over USB-C