Symptom:
The umdf hid minidriver device unknown device appears in the device manager under Windows 8 system, as shown in the figure:
Cause analysis:
UMDF full write User-Mode Driver Framework (UMDF), UMDF provides plug-and-play (PNP), power management (Power Manager), asynchronous output input, etc. UMDF HID minidriver Device means plug and play. The driver for the peripherals used may be that the external mouse, keyboard, camera, card reader, USB flash drive or other USB device driver should be automatically installed by the system but not successfully installed.
Solution:
1. Enter the Universal Serial Bus controller in the Device Manager, uninstall all USB root hub devices, restart the computer, and then reinstall the motherboard and power management. driver.
2, using the Ghost method to install the system, the camera, card reader or other USB devices are not correctly identified, at this time you can download the camera, card reader driver, etc. of the corresponding model operating system on the Lenovo service official website. installation.
3, right click on the device in the device manager, uninstall the device, and then re-scan the hardware to see if the installation can be completed automatically.
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