Windows 7 system USB flash drive is not available

Windows 7 system USB flash drive is not available



WINDOWS 7 system USB flash drive is not available
? In WINDOWS 7, USB interfaces are often unavailable, making USB flash drives unavailable.
Display Device properties:
Windows cannot load the device driver of the hardware. The driver may be corrupted or missing. (Code 39)

Solution:
Modify the registry:
HKEY_LOCAL_MACAL_MACHINE \ SYSTEM \ CurrentControlSet \ control \ Class \ {36FC9E60-C465-11CF-8056-444553540000}
Delete LowerFilters and UpperFilters on the right.
Restart your computer.

I have received feedback from many friends that I don't need a USB flash drive. I have never been able to solve it for them.
Today, my computer has encountered this problem. I have not found a solution on the Internet.
After analyzing and solving the problem of unavailability of the optical drive, we will analyze each project under the CLASS,
Finally, {36FC9E60-C465-11CF-8056-444553540000} is the key value for recording the USB hardware.
A try is successful.

Give yourself a reward and write down this process.

This article is published simultaneously on Netease, ITPUB, and CSDN.