Having Wi-Fi problems on your Mac running OS X Mavericks? Here's a fix!

[iMore.com]

As near as I can tell, somewhere along the way after I upgraded to Mavericks, my Retina MacBook Pro stopped working right. It wouldn't reconnect to a Wi-Fi network after waking from sleep. I had to manually reconnect it; often I'd have to toggle Wi-Fi off and on again to make it work. Turns out a wonky Bluetooth preference file was the culprit. I'm still not clear on why. Here's how to fix it.

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