This error can arise in Windows 11 and earlier platforms of Microsoft’s flagship OS series. As a consequence, users can’t connect further USB devices. You might be able to fix that error with the potential fixes outlined below.

How come the USB controller resources error occurs in Windows 11?

The USB controller error message says the controller doesn’t have sufficient resources for the connected device. Thus, this issue can often occur when plugging a device in eclipses the XHCI USB 3.0 controller’s resource limit. The XHCI USB 3.0 controller has an endpoint usage limit. However, this issue can also pertain to USB 3.0 controller drivers. One or more of the USB host controller drivers on your PC might be faulty. Some users have said they’ve fixed the Not enough USB controller resources error by reinstalling USB controller drivers.

How can I fix the not enough USB controller resources in Windows 11?

1. Connect devices with USB 2.0 ports on your PC instead

As this error occurs for USB 3.0 ports, connecting devices with available USB 2.0 ports on your PC could be a simple workaround. That might not exactly be a fix, but at least you’ll be able to connect more USB devices to your PC without any issues.

2. Run the Hardware and Devices troubleshooter

3. Update USB drivers

Alternatively, you can choose a more practical and time-saving solution that will update any old drivers from your system automatically. DriverFix is a freely available driver updater tool that will tell you if any of the USB controller drivers on your PC are faulty or outdated. You can also install new drivers for the USB controllers using this reliable tool. SPONSORED Moreover, it’s possible to create a driver backup for additional protection regarding updating drivers and be relaxed about other system malfunctions. ⇒ Get DriverFix

4. Reinstall USB host controllers

5. Try using a USB dock

The Not enough USB controller resources error can also arise because too much power is being drawn from USB ports. That error might not occur if you plug devices into a USB dock with its power source. If you happen to have a USB hub handy, try connecting your devices to the PC with it. There aren’t that many potential fixes for the Not enough USB controller resources error. However, those resolutions will likely be enough to fix the Not enough USB controller resources error in Windows 11 in most cases. As always, you’re welcome to discuss the error covered in this guide below. If you’ve discovered any other way to resolve the Not enough USB controller resources error, feel free to share it in the comment section.

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