mac mini 2014 will not restart with ethernet cable attached

In order to get my mac mini to restart, I have to remove the ethernet cable. If I reboot with the cable attached, it just hangs at a black screen, no start up chimes or anything.

I disabled Wifi to see if that was causing a conflict, but still the same.

I am on Mac OS 10.13.6 (trying to upgrade, but that is another story)

Thanks

Posted on Feb 25, 2021 3:32 PM

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Top-ranking reply

den.thed

Level 10

93,220 points

Posted on Feb 25, 2021 5:18 PM

Try using a different or new Ethernet cable.
Try Safe Mode followed by a normal restart.

https://support.apple.com/en-us/HT201262

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mac mini 2014 will not restart with ethernet cable attached

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