Please try the following:
1. Make sure you are using the latest setup wizard for your device and operating system. Latest version can be found on the support page. Please make sure that you select Setup Wizard for the correct model and version of your device.
2. The computer you are using to configure your device must be on the same network and subnet.
3. If you are setting up a ShareCenter, make sure the hard disk LED on your device is Green.
4. If you are having problems connecting your device wirelessly, it is recommended that you use a wired connection method for the initial setup of your device.
5. Temporarily turn off the antivirus and firewall protection, then go through the setup wizard again. Remember to turn your antivirus or firewall software back on when you finish using the setup wizard.