How do I disable a USB device in Win7 computer?

When I used to work in the office, a lot of people like to take things to me to print, the first time is due to face embarrassed refused, but later this kind of thing became a habit, cause sometimes my own work can not be completed on time, so I was in the Win7 system to prohibit the use of USB devices, Sometimes, we also encounter in the operation of the computer need to prohibit the USB device to do some work, then in the end how to prohibit the USB device? Next, small make up to demonstrate it!

1. First, we need to open the Active Directory user and computer on the computer, press Win+r to open the Run window, and then enter Dsa.msc and click Return to open.

2. Next, let's Select the USB OU that you want to disallow, select right click, select Group Policy, and then create a GPO for USB and click Edit to open the Group Policy Editor window.

3. In the left menu of the Group Policy Editor window, we expand Computer Configuration--"Windows Settings"--"Security Settings"-"File System", then right-click, select Add Files, and enter%systemroot% in the file bar. Infusbstor.inf and click OK.

4. After that, we need to go to the database security settings to remove all the user information, and add everyone, in the right to "read and execute", "List Folder Contents", "read" A few of the check off, and then add reject Full Control, and click Apply to perform the action.

5. Finally, we are in the window to add the object, the default current settings to complete the operation.