How does the Win7 system refuse to read the USB flash drive? How to disable removable disk?

A removable device such as a USB flash drive, a removable hard disk or an SD card can easily copy and copy files on a computer. This is not a good thing for personal computer security. Some users' computers are special. In order to ensure personal computer information security, Need to disable the removable disk device, if it is, we only need to set it through Group Policy.

Procedure:

1, open operation command gpedit.msc policy group;

2, enter the local group policy editing interface;

3. Select User Configuration ——Management Templates——System——Removable Storage Access. In the right interface, select the removable disk and double-click it to open;

4. After opening, select Enabled, OK;

5. Exit the local policy group editor, then move the storage device. It can't be accessed, other USB devices (mouse, keyboard, printer can be used normally).

After disabling, the USB interface will no longer detect any files on the removable disk, even if it is opened in Explorer, a window that denies access will pop up.