My iphone 5 is not showing up in itunes when I try to sync it. I have the latest software, I've restarted my computer and iphone and I've changed usb ports. I'm not sure what else to try.
Have you tried this article: iOS: Device not recognized in iTunes for Windows
I have a macbook pro and I just purchased Mac os x 10.6.3.
iPhone, iPad, iPod touch: Device not recognized in iTunes for Mac OS X
You do have iTunes 10.7 which requires OSX 10.6.8 or later, right?
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