Error Code: 105-4000 – 105- 4899
The information in this article can help you when the update stops during download and the error message "Unable to connect to server" is displayed.
Possible solutions
- Review our Network Status page.
If the Wii U Nintendo eShop service is undergoing maintenance, you will receive this error code when attempting to perform a system update. View our Network Status page for more information.
- Check for wireless interference.
Wireless interference between your Wii U and wireless router may be causing the download to time-out.
As an easy solution, try moving the Wii U into the same room as your wireless router during the update, and then moving the Wii U back once the update is complete.
If you are unable to do this, try our more extensive wireless interference troubleshooting.
- Manually enter your IP address and DNS settings into your Wii U.
Entering your network information into the Wii U my improve your connection with your network and allow the update to complete. Learn more about How to Manually Enter IP Address Settings.
Situation not resolved
If the issue persists, please contact us for support.