Win7 enters the device manager and finds that the universal serial bus controller cannot be started. How to solve

1. Press WIN+R to open the run, then enter regedit and press Enter to open the registry editor. If you only have the mouse, you can use it. Same as opening the folder to C:Windows to find Regedit.EXE Double click to open.

2, expand the following registry key in order:

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{36FC9E60-C465-11CF-8056-444553540000}

3, there are many uses under this " {}” Enclosed items, one by one, see if there is any "Universal Serial Bus controllers" in the right window, and find the words "upperfilter" in the right window or "ld" ;lowerfilter” item and delete;

3, after restarting the computer or in the device manager menu, click "Operation" - "--" scan to detect hardware changes ", let the system automatically Reload the driver.

If you encounter win7 in the device manager and find that you can't start the universal serial bus controller, please refer to the above three steps to solve the problem. It is easy and convenient to solve the problem. I hope it will help you.