This issue is caused when Microsoft Windows does not properly detect the chipset or videodisplay.
Jul 05, 2017 Locate the Unknown Device. RELATED: How to Use the Windows Device Manager for Troubleshooting You’ll see information about Unknown Devices in the Device Manager.To open it on Windows 10, 8.1, or 8, right-click in the bottom-left corner of the screen or press Windows Key + X and select Device Manager. Method 2: Reinstall the USB Device Driver. If you are fed up with the problem of device descriptor request failed, then uninstall and reinstall the USB device driver from the Windows Device Manager to rectify the issue. Type Device Manager in the Windows search box and click on it to launch the Device Manager.
Corrupt or missing motherboard or chipset drivers
Download and install the latest chipset and video card drivers. If you or someone you know built your computer, it came with the motherboard CD. This CD contains the chipset drivers. Otherwise, you can find drivers for all the major chipsets on our motherboard drivers page.
Download Driver Unknown Device Windows 10
Corrupt or missing video card drivers
If installing the latest chipset or motherboard drivers doesn't resolve your issue, make sure you have the latest drivers installed for your video card. For a listing of video card drivers, see our video card drivers page.
Other PCI device that Windows cannot identify
If you tried the above two steps and your Windows Device Manager still contains an Unknown PCI device, likely the device cannot be identified.
Driver For Unknown Device Windows 10
If you that the device not being identified is installed, we suggest you obtain the latest drivers for that device. A listing of drivers is on our drivers page.
If you have recently finished installing or reinstalling Windows onto the computer and are getting the unknown PCI device, we suggest you manually identify the PCI device through the registry.
Additional information
- See the PCI and drivers definition for further information and related links.