Here's the solution. (and to journey711, if you haven't resolved yours)
1. Unplug Kindle from USB cable
2. Restart your Kindle
3. Reboot your PC
4. Go to search on Kindle
5. Type ;debugOn
6. Type `usbNetwork
7. Type `usbQa
8. Connect USB cable to your Kindle
9. Voila! You will see your Kindle under My Computer
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