How to shield U disk in Win7

What should I do if I want to block a USB flash drive in Win7? This problem is bothering many Win7 users. In fact, it is not difficult to solve this problem. Let Xiaobian teach you how to solve it now.
Recommended: Win7 stable version download
Workaround:
On Windows 7 system, run the registry editor, expand to HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\services\\USBSTOR, find it in the right window Double-click “Start”, and in the pop-up window, change its default value to “4”.

After the modification is completed, the save settings will be exited and will take effect after the next reboot.
After using this method, the USB device in Windows 7 will be disabled. If the user needs to enable the USB device, you must enter the above key values ​​again and change the value back to “3”
The above is the specific operation steps of shielding the U disk in the Win7 system. If there is a user who needs to shield the U disk, you can set it by this method.