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In the BIOS setup window, navigate to the Advanced tab using the arrow keys and find an option named USB EHCI debug and change its status to Enabled, which will disable the xHCI mode. Step 1. Restart your computer and press the F2 or Delete key to enter BIOS when the manufacturer’s logo appears. If you don’t mind that, follow the steps below to disable the xHCI mode. But it means that all the USB 3.0 ports on your computer will downgrade to USB 2.0. Some users reported that they managed to fix the “not enough USB resources” error by disabling the xHCI mode in BIOS settings. Alternatively, you can use a Dock Station or a USB Hub with its own power source. In this case, you need to limit the number of your devices drawing power from your USB ports. Use a Dock Station or USB HubĪnother reason for USB not enough resources is due to the power being drawn from the USB port exceeding its maximum capacity. In this case, we recommend you leave the device that requires higher transfer speeds to the USB 3.0 port and move an older device to the USB 2.0 port. So, you may encounter USB not enough resources issue. But USB 3.0 hub uses much more EndPoints than USB 2.0 hub. If you are using multiple devices that need lots of endpoints, you may tend to use the USB 3.0 port to get faster data transfer. You try them in order until the error gets fixed. There are 5 effective fixes for the “not enough USB controller resources Windows 10” error.
DELL USB ROOT HUB XHCI DRIVER WINDOWS 10 HOW TO
Read More How to Fix the “Not Enough USB Controller Resources” Error Here we explore several proven solutions to the error. Of course, other factors like insufficient power resource capacity, corrupted USB Hub controllers, and the xHCI mode can trigger the error as well. That is why you receive the “the controller does not have enough resources for this device” error when the USB controller resources exceeded limitations. For Example, a USB flash drive usually uses 3 to 4 EndPoints, while headsets may use up to 10 EndPoints. Moreover, the created EndPoints may vary from different devices. When you plug in a USB device, your host will create a couple of EndPoints. It can transfer data from your host to the device or vice versa. The EndPoint is the most basic component of USB communication. What causes the “not enough USB controller resources” error? According to a survey, the main reason behind the error is related to USB EndPoint limitation. What Causes USB Controller Resources Exceeded How to Fix the “Not Enough USB Controller Resources” Error.What Causes USB Controller Resources Exceeded.