Method One:
1, the first right mouse click "Computer" Select Properties, in the bounce out of the Properties dialog box to select the left tab of the "Advanced system settings" item;
2, in the pop-up properties of the window switch to the "Hardware" tab, select the "Device installation Settings" item;
3, in the pop-up window to choose "No"--the third "never install" on it.
Method Two:
1, turn on Start-run, enter the Gpedit.msc command in the Run dialog box and press ENTER; (ps:win7 home and Advanced editions do not support Group Policy settings)
2, and then expand to find "Computer Configuration-management panel-system-Equipment installation >--equipment installation restrictions;"
3. Double-click the "Prohibit installation of devices not described by other policy settings" on the right, select "Enabled", and then click OK to save the exit and restart the computer to take effect.
Method Three:
1, first open the Start menu of the Control Panel, and then click "View Equipment and printers" or "equipment and printers";
2, then the mouse right click on the PC icon, select "Device installation Settings", in the pop-up window select "No"--the third "never install" on it.