Saturday, May 15, 2010

How to Block & Unblock usb Ports

In this post we will show how to disables/blocks the USB ports on the computer (PC). Once this is done it will immediately disable all the USB ports on the computer. As a result you will not be able to use your pen drive or any other USB peripheral on the computer.You can test this on your own computer without any worries since we have also given a trick to re-enable/unblock all the USB ports.

FIRST OF ALL

GO TO --> START --> RUN

NOW TYPE REGEDIT


NOW LOOK FOR THE KEY :
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\USBSTOR



NOW FIND THE KEY THERE CALLED :-
"Start"
DOUBLE CLICK ON IT.
NOW CHANGE THE VALUE DATA 3 --> 4

WHERE ITS BASE IS HEXADECIMAL
HERE YOU GO

YOU HAVE DONE IT
NOW CLOSE THE REGISTRY AND YOU'LL SEE THE RESULT.
YOUR PC'S ALL USB PORTS ARE DISABLED


TO RE-ENABLE/UNBLOCK USB PORTS JUST CHANGE THE VALUE DATA AGAIN 4 --> 3
NOW YOUR PC'S ALL USB PORTS ARE RE-ENABLED.

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