July 29, 2011

 How to Disable USB Mass Storage Devices


How to Disable or Enable access to USB Storage Devices

A common security anxiety at organizations allows users to connect a USB flash drive, because it can so easily copy the data. You can completely disable USB devices on writing, using a simple trick to disable USB devices. You must ensure that users are not administrators on the computer, for the reason that they can easily modify this setting back.

Follow the steps given below to disable the access to USB devices
First Click Start Button >  Click Run.
In the Run box, type regedit and then click OK.
Then locate the following key in the registry
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR


In the right side panel, double click on the value “start” then set it a Hexadecimal value data 4.
And then click OK. (The default value is 3)


If you want to re-enable the USB ports set it a Hexadecimal value data 3.
Close the registry editor.
You'll need to reboot your computer before the changes take effect.
This trick will works on Windows Vista as well.

That's all.

CAUTION! : It is recommends that before you attempt to use the registry editor, make sure that you back up the whole registry or export the registry keys in the registry that you plan to edit. Incorrectly editing the registry may damage your system. Use Registry Editor at your own risk, we cannot guarantee that you can solve problems that result from using Registry Editor incorrectly.

Category: Registry Tweaks
Operating System : Windows

February 28, 2011

 Hardware

The term hardware refers to the physical components forming the computer which are nothing but input, output, storage and processing units and additional accessories such as system unit, mouse, keyboard, monitor, disk drives etc.

Computer hardware comes in two basic types: (1) External  (2) Internal

External :
It refers to hardware that connects to the outside of the computer case. For an example monitor, keyboard, and mouse are the common external hardware devices. The speakers and printer are also external hardware components.

Internal :
It refers to hardware that inside the computer case. For an example: Central Processing Unit (CPU), RAM, Disk drives, and Mother Board are internal hardware components.


December 29, 2010

 Floppy Drive



Floppy drives are most advanced storage devices and it reads and writes data on floppy disks. Floppy Drive connects to the motherboard with a ribbon (data) cable and also power cable attached to it. Presently new computers do not have this floppy drives because USB flash drives and optical drives have replaced floppy drives in newer systems, it can be added internally to your computer (or) externally with a USB cable. It is a removable media or removable drive you can remove whatever disk is currently in the drive, and replace with another.

 Zip Drive


Zip Drive introduced by Iomega Corporation in late 1994. Zip drive is a medium portable removable device looks like a floppy drive. A zip drive is needed to read and write 3.5 inch zip disk. Zip Drives are very expensive when compared to coast of other storage devices.



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