How To Enable/Disable USB Port Using C Programming

Every Computer/Laptop contains  USB ports(commonly 4 ports) that are used to insert Pen Drives,Modems,External HDD,Mouse & Keyboard and so on.

But do u know that Ports can be Enabled or Disabled ???

Yes,it is.

Normally that ports are in Enable state.But if u Disable it then it acts like a broken ports like if u insert some Pen drive or modem e.t.c. then that devices can not read into your windows explorer


 Here is C Code to manipulating usb port (both Enable+Disable)  >>>>>

#include<stdio.h>
#include<conio.h>
#include<windows.h>


COORD coord = {0, 0};
COORD max_res,cursor_size;
void gotoxy (int x, int y)
{
        coord.X = x; coord.Y = y;
        SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
};

void main()
{

int choice;
gotoxy(35,4);
printf("Enter choice >>>>>>\n");
gotoxy(35,6);
printf("1.Enable USB Ports\n");
gotoxy(35,7);
printf("2.Disable USB Ports\n");
scanf("%d",&choice);

if(choice==1)
/*enable USB ports*/
system("reg add HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\USBSTOR \/v Start \/t REG_DWORD \/d 3 \/f");
else if(choice==2)
/*disable USB ports*/
system("reg add HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\USBSTOR \/v Start \/t REG_DWORD \/d 4 \/f");
else
printf("\ninvalid choice");

}

 Paste it into your compiler & then compile and run.

After Disable ,you should enable it again otherwise usb port not working.


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