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.

When your computer hardware appears to power up okay, but the Windows XP operating system won't boot properly, you have to begin a troubleshooting expedition that includes getting into the operating system, determining the problem, and then fixing it. To help you get started on this expedition, here are 10 things you can do when Windows XP won't boot.

#1: Use a Windows startup disk

One of the first things you should reach for when troubleshooting a Windows XP boot problem is a Windows startup disk. This floppy disk can come in handy if the problem is being caused when either the startup record for the active partition or the files that the operating system uses to start Windows have become corrupted.

Here Is A Cool Technique Which Hides Entire Hard Disk Drives By A Simple Procedure.

This Is The Best Security Tip To Be Employed Against Unauthorised Users.

1) Go to Start > Run > type "diskpart".

A DOS window will appear with following description.

DISKPART>

2) Then type "list volume"

Instead of pressing CTRL+ALT+DEL or windows + L to lock your machine you can create an icon to lock your machine. There are very simple steps by using it you can simply lock your computer using single mouse click.