Updated: by Computer Hope Sometimes, users may need to disable the USB ports on a computer to prevent device interaction. The action can be especially useful in work environments as it prevents the unauthorized copying of sensitive data. Disabling USB ports also keeps a network from becoming infected with or other. Tip: If you want to enable USB ports on your computer, follow the steps on the page below, but choose the enable option instead of disable option where applicable. Disable the USB ports through BIOS setup •. • Once in the BIOS setup, check the menus for an option to enable or disable the onboard USB ports. • Make sure all USB options and Legacy USB Support options are disabled or off. • Save and Exit the BIOS after making the changes. Typically, the F10 key is used to save and exit. • After the computer has rebooted, check the USB ports to make sure they have been disabled. Disabling USB in Windows If your computer's BIOS setup only allows you to disable some or none of the USB ports and you are running Windows XP or later, then complete the following. Note: The steps below edit the. Be aware that changing any values improperly can cause errors or Windows to not boot. Tip: The steps below only disable any USB from automatically opening or running when connected to the computer (e.g. USB devices like the keyboard and will still work. • Access the or the in the Windows. • by typing regedit in the Run or Search box. • In the Registry editor, open the below folder. HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet Services USBSTOR • In the USBSTOR, locate the Start DWORD and double-click 'Start' to edit the value. Change the Value data to ' 4' and then click Ok. • Once completed, close the Registry editor. Windows will no longer start the USB device when detected. Tip: If you need to enable the USB ports, follow the above steps, but in step 4, change the value of the Start DWORD to a '3' instead of a '4'. Caution: The above steps only work if the USB storage driver has already been installed. If the USB storage driver has not been installed, the value gets reset back to 3 when connecting a USB storage device and Windows installs the drivers. Disconnect USB Although it may not be possible to disconnect the USB ports from a, USB on the front or top of the computer can be disconnected by disconnecting the cable from the. Disconnecting these USB ports can be helpful in preventing users from easily attaching USB devices without having to go to the back of the computer. Tip: Some motherboards may also have that can be used to disable USB. Can anyone tell me how to enable and disable USB port using C/C++. I have already searched one way to do this.using windows registry but there are some problems with it. HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet services USBSTOR change the value of start value to 3----for unblock 4----block It does not show correct behavior on windows 7. ![]() Eg- when I change the value of start value to 4 it disable the usb ports but again for enabling we need to restart the system and one more thing after disabling all the ports are disabled but still we are able to use already plugged device. Any other way to do it? I bit more information would be useful. For usb connection you can use libusb (see also: libusb-win32). Since it's used by CUPS (a printing software) too, i guess its ideal for you. Dec 19, 2017 How to enable or disable USB ports in Bangla Video Title: How to enable or disable USB ports in Bangla File Download LInk:https://www.dropbox.com/s/nv0zdju. ![]()
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