Some techniques for manually disabling USB flash drive

When a USB flash drive is plugged in, it will automatically run. Sometimes it is convenient but sometimes it will bring a virus to the computer. Therefore, it is best to disable the USB flash drive to protect the security of the computer. The detailed description of the advanced skills of the XP system to manually disable the USB flash drive is as follows:

Nowadays, the application of computers is more and more extensive. Companies, schools, Internet cafes and other places often need to disable U disk and mobile hard disk and other equipment, for a variety of reasons, such as preventing employees from taking confidential information, preventing students from taking games to the school computer room, etc. ……

Many friends may use a class of USB management experts to specifically limit the use of U disk software, but many of them are charges for wow & helllip;

Today, there is no need to use professional software Tips for disabling the USB flash drive for everyone:

Method one, BIOS setup method (fast knife and chaos)

Enter the BIOS setup, select the “IntegratedPeripherals” option, and expand ““USB1 The .1Controller” and “USB2.0Contr01ler” option properties are set to “Disabled” to disable the USB interface. Finally, don't forget to set a password for the BIOS, so that others can't modify the registry to solve the above devices.

Note: This method completely disables the USB interface, which means that all kinds of USB interface devices can not be used, of course, including U disk and mobile disk. As this method is too overbearing, please use it with caution.

Method 2, prohibit the boot of the flash drive or mobile hard disk (for WindowsXP/2000/2003)

Open the registry editor, and then expand the following branch [HKEY_LOCAL_MACHINESYSTEMCurrentCntrolSetServicesUSBSTOR], on the right side In the pane, find the DWORD value named “Start”, double-click, and modify its numerical data to the hexadecimal value “ld”;4” in the pop-up edit dialog box. Click the "OK" button and close the Registry Editor, restart your computer for the settings to take effect. After rebooting, when someone connects the USB storage device to the computer, although the indicator light on the USB device is blinking normally, the drive letter cannot be found in the resource manager, so the USB device cannot be used.

Method 3, hidden drive letter and prohibit view (for Windows system)

Open the registry editor, expand the following branch [HKEY_CURRENT_USERsoftwareMicrosoftWindowsCurrentVersionPloiciesExplorer], create a new binary value "NoDrives", which The default value is 00000000, which means that no drives are hidden. The key value consists of four bytes. Each bit of each byte corresponds to a disk from A: to Z:. When the corresponding bit is 1, the corresponding drive in “My Computer” Was hidden. The first byte represents 8 disks from A to H, ie 01 is A, 02 is B, 04 is C… … and so on, the second byte represents I to P, and the third byte represents Q. To X, the fourth byte represents Y and Z. For example, to turn off the C drive, change the key value to 04000000; to turn off the D drive, change to 08000000, if you want to close the C drive and the D drive, change to 0C000000 (C is hexadecimal, converted to decimal is 12) .