How to Put a USB Device on Readonly Mode

Tricks of USB devices

It is too easy to do it.

USB flash drives are often used for the same purposes for which Floppy disks or CD-ROMs were used. They are smaller, faster, have thousands of times more capacity, and are more durable and reliable because of their lack of moving parts.Until approximately 2005, most desktop and laptop computers were supplied with floppy disk drives, but floppy disk drives have been abandoned in favor of USB ports.

USB Flash drives use the USB mass storage  standard, supported natively by modern perating systems such as Linux,Mac OS X, Windows,and other Unix-like systems. USB drives with USB 2.0 support can store more data and transfer faster than a much larger Optical disc drivers  like CD-RW or DVD-RW drives and can be read by many other systems such as the Box 360,PlayStation 3, DVD players and in some upcoming mobile Smartphones.

A flash drive consists of a small printed circuit board  carrying the circuit elements and a USB connector, insulated electrically and protected inside a plastic, metal, or rubberized case which can be carried in a pocket or on a key chain.

Here are the Instructions::

In the first step

Show the start menu

Click on the run button

type "regedit " command

You will be in the registry editor:

In the second step

Try to find the following key:

" HKEY_LOCAL_MACHINE \ System \ CurrentControlSet \ Control \ StorageDevicePolicies "

In the third step

Create a REG_DWORD  value and give it the name " WriteProtect "

In the last step

Give the value " 1 "  to your " WriteProtect " REG_DWORD's value.