My scanner does not operate properlyĭepending on the computer environment, your scanner may not operate properly regardless of the Operating System. The operation via USB 3.0 on Windows Server® 2008 is not supported. The scanner may not recognize via USB3.0 controllers. Note: If your computer still does not recognize the scanner after Windows update, please refer to No.2 My scanner does not operate properly. The recognition via USB 3.0 is confirmed. The recognition status of each USB 3.0 host controller manufacturer is as follow: The recognition status for each USB 3.0 host controller manufacturer USB 3.0 host controller manufacturer In this case, connect via USB 2.0 to use the scanner. If your computer still does not recognize the scanner after Windows update, please refer to No.2 My scanner does not operate properly.ĭepending on the USB 3.0 host controller manufacturer, the computer may not recognize your scanner. The controller provides four USB ports with LS (Low-Speed) / FS (Full-Speed) / HS (High-Speed) / SS (SuperSpeed) support.
The system bus is compatible with the PCIe Gen2 specification. Windows® 8 and Windows Server® 2012 cumulative update: November, 2012 The µPD720201 is a USB host controller LSI compatible with the USB 3.0 and xHCI (eXtensible Host Controller Interface) 1.0 specifications.
Refer to the following support page of Microsoft Corporation for further details.
Renesas usb 3.0 extensible host controller failed to start update#
If you select the "Install updates automatically (recommended)" Windows Update setting, this update is automatically installed. Update Program for Windows® 8 and Windows Server® 2012 (KB2770917) In order for the computer to recognize the scanner via a USB 3.0 port on Windows® 8 and Windows Server® 2012, it is necessary to update USB Scanner Class Driver provided by Microsoft Corporation.
My computer does not recognize the scanner For Windows® 8 and Windows Server® 2012 users: The scanner does not operate properly when connected via USB 3.0.