If you have a Wii U, you may be experiencing error code 199-999. This error code occurs when your Wii cannot connect to the internet. This can be caused by many reasons, such as not having a valid WiFi password. In this article, you will learn how to fix error code 199-999 on your Wii U. If you cannot connect to your Wii U, try changing your MAC filter settings or firewall settings.
Another cause of this error is a dirty or damaged Wii U disc. If you can’t get a clean copy of a game, check to see if your disc reader is clean. Another problem may be with the eShop. If you’ve tried downloading games from the eShop, but aren’t able to run them, you may want to try installing CFW.