Got a broken USB-3 port on my Mac Mini: nothing plugged into that works at all. The flow on is that it seems to cause some mouse stuttering if I also have a USB-C hub plugged in. (And that's regardless of whether I use the mouse in Bluetooth or USB mode.) And it's out of warranty. I had been thinking I'd keep it for another couple of years but now I'm not so sure. Doesn't require immediate replacement but it is irking me.
(Because it's an Intel based system, I'm not sure I want to bother with the whole out-of-warranty repair costs.)
