The issue is not exclusive to Windows 10 and is often reported on Windows 7 and Windows 8.1.

What is a Wii U Gamecube adapter?

Although the Wii U GameCube adapter not intended to work on PC, die-hard fans found a way to use the special USB dongle that connects four GameCube controllers to make the controllers usable on PC. Right now, there are multiple teams of coders that have released forked versions of the Wii U USB GCN Adapter driver.

What causes the Wii U USB GCN Adapter Not Detected error

After investigating the issue and looking at various user reports, we managed to discover a few scenarios that will end up causing this particular issue:

Wii U USB GCN adapter driver is not correctly installed – Sometimes Windows will break the functionality of the Gamecube adapter by installing an incompatible driver. In this case, the solution is to pick the driver manually (Method 1)Using the incorrect installation guide & drivers – There are a lot of forked versions of the same driver. Some of them work better & are more stable than the others.

How to fix the Wii U USB GCN Adapter Not Detected error

If you’re struggling to resolve the Wii U USB GCN adapter not detected error, this article will provide you with a series of verified troubleshooting steps. Below you have a collection of methods that users in a similar situation have used to get the issue resolved. For the best results, we recommend that you start with the first method and then continue with the next ones in the order that they are presented. Let’s begin!

Update the driver via Device Manager

As per various user reports, the Wii U USB GCN Adapter might not get recognized because it’s not using the correct drivers. If this is the source of the problem, it can be rectified by using Device Manager to install the correct driver manually. Here’s a quick guide on how to do this: If this method didn’t allow you to resolve the Wii U USB GCN adapter not detected error, move down to the next method below.

Method 2: Using the Official GameCube Controller Adapter guide

There are a lot of different guides and forked driver versions for the same Gamecube Adapter for Wii U. With this being said, the Wii U USB GCN Adapter might not get detected because you were following the wrong instructions in relation to the driver version that you’re using. Dolphin’s Official GameCube Controller Adapter for Wii U has far the most stable driver build. They release regular updates and feature step-by-step installation guides for every major platform that is supported (including Windows, MacOS, Linux and Android). So if you used a different guide to set up your Wii U USB GCN Adapter, use this guide (here)  instead.

Use a system restore point

If a Windows update broke the functionality of your Wii U USB GCN Adapter, you can try an reinstall all involved components and see if the issue gets resolved automatically. But if that doesn’t work, you can use a System Restore point to revert your machine to a point where the Wii U USB GCN Adapter was functioning properly. But keep in mind that this is only applicable if you happen to have a System Restore point that is dated before the apparition of the Wii U USB GCN Adapter Not Detected error. Here’s a quick guide on restoring your machine to a previous state where the GameCube adapter was functioning properly:

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