Still an improvement from before but not a solution. Same for the USB/ A 3.1 gen 2 port, except it is capped at 20 MB/s so unusable. I updated the host controller driver with an ASMedia driver google found on Dell's website (details below) for a comparable system, and all the above problems with the USB/C port went away except the transfer speed is capped at 636 MB/s. Host controller was using a generic windows driver. The manufacturers do not offer drivers for the USB device or the host controller. Fixes amp Enhancements - Updated the installer version to 1.6.3.0. This package includes the updated installer version of 1.6.3.0. ![]() This box says I need to include my windows version number: Windows 10 (20H2) The eXtensible Host Controller Interface xHCI driver helps the Universal Serial Bus USB ports to communicate with connected devices. Perhaps a motherboard issue? Or other thoughts? Sorry if I don't respond right away, going to sleep and then busy day tomorrow but I will be coming back here later tomorrow or I guess today now. use your trackpad to go to action menu at the top and click 'scan for hardware changes' your bluetooth icon should reappear and the failed device should be gone. ![]() 4.Then right click the ' intel usb 3.0/3.1 extensible host controller' and uninstall it. I also tried uninstalling the host driver and updating, no change. Download (Standard USB Host Controller) USB drivers. I also tried three different USB 3.2 cables, all same issues (except the USB A cable is worse in terms of I can never see the drive. Steps: Open VM VirtualBox and create virtual machine (Type is. In device manager I have eXtensible Host Controller with caution icon (you know - the exclamation thing). and see it the problem with the driver for AMD eXtensible Host Controller -1.10 (Microsoft). This is probably a hardware failure of the USB bus. I also tried plugging the SSD into the PC directly via PCiE and the SSD works fine, no errors, no system freezes. ASMedia USB 3.0 extended host controller with the vendor driver. AMD is investigating USB problems with 500 series chipsets. Re: amd usb 3.0 extensible host controller - 1.0 (microsoft) keeps dropping out. ![]() I tried the USB enclosure in a different PC with a USB 3.1 gen 2 port, and it works fine, no errors logged, and it gets close to 1,000 MB/S transfer speed. My desktop also has type A and C USB 3.0 ports (Intel USB 3.0 eXtensible controller) and everything works fine, no issues, except that the transfer speed is capped at the USB 3.0 limit of 5 Gbit/s (so real world 440 MB/S).
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