The methods below will help you sync your iPhone/iPad to your computer (MAC or PC):
Connect your iPhone to your computer using the USB cable that came with your device.
Right-click on your computer and select Manage. In the window that appears, double click on Services and Applications.
Click on “New service” to open the New service wizard. Click Next.
Choose “Application”.Click Next.
Click on “Browse” to find and select the iTunes application. Click Next.
Click Finish.
Click on “Start” to start the iTunes service.
Put your iPhone into DFU mode.
Connect your iPhone to your computer.