When prompted, click restore to erase data. However, sometimes it still shows that the usb is incapable of being detected. In the itunes app on a windows pc:
How To Fix Iphone Failed To Connect To Itunes?
Mac with a usb port and os x 10.9 or later. The quality of usb port and usb cable has a great influence on iphone and itunes connection. Sync or remove content using itunes.
Restart Into Recovery Mode (Black Screen With A Cable Indicating Attach To Computer).
To connect the disabled iphone to itunes or finder for restore, make sure you have a computer available to use. Connect your disabled iphone to the computer you synced with before now. Open itunes and connect your device to your computer with a usb cable.
One Click To Fix Iphone Stuck On Itunes Logo.
In the itunes app on your pc, click the device button near the top left of the itunes window. If itunes doesn't recognize your iphone, make sure the usb connector cable is firmly seated in both your iphone and computer ports and that your iphone is turned on. Wait for itunes to sync your iphone and create a backup.
To Connect Your Device With A Cable, See Sync Itunes Content On Pc With Your Devices.
Using a usb cable or adapter, you can directly connect iphone and a mac or windows pc. Pc with a usb port and windows 7 or later. Learn more about itunes connect.