Currently Being ModeratedJun 24, 2013 11:41 AM (in response to silkx3)
First try a different USB port
Secondly make sure your Itunes is up to date(drivers are in updates).
Last try DFU and restore:
USB cable from your iPhone, but leave the other side connected to your computer and make sure iTunes is open. Turn off the Iphone....Once it is off can you then press and continue to hold the front Home button and connect the USB cable to your iPhone which will cause the iPhone to turn on. If you would Continue to hold the Home button until you get a message in iTunes informing you that an iPhone in recovery mode has been detected then let go and follow the prompts to restore your phone.
Currently Being ModeratedJun 24, 2013 11:43 AM (in response to silkx3)
If you are connecting the USB cable directly into a port on your computer (not on a USB hub) and it is still not recognized, you might try using DFU mode. There are instructions on the web & Apple's web site about putting your device into DFU mode if you need them.