OS X “Can’t connect to wifi” because of USB 3.0 HD

With a 2015 MacBook retina I was experiencing a frustrating issue with home WiFi: it couldn’t join any router.

I was transferring data from one external drive to another, and both of them were USB 3.0… so after a while I realized that I didn’t burn the Airport card, but rather experienced the known issue of USB 3.0 drive interfering with Wi-Fi connection.

To add more fun to this, the issue is being addressed by router manufacturers themselves (routers themselves carry USB ports to connect drives…).

Solution: simply disconnect the drive 🙂

 

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