Some Trick of WINDOWS XP

How to create shortcut to lock your computer with single click?
If you’re in hurry and want to save your data/computer from other but you don't want to log off? Then don’t worry you can create a shortcut to lock your system with single click.

To create a shortcut on you’re desktop to lock your computer. Right-click the desktop and do this with the help of given steps:
Point to New, and then click Shortcut.
The Create Shortcut Wizard opens. In the text box, type the following:
rundll32.exe user32.dll,LockWorkStation
Click Next.
Enter a name for the shortcut. You can call it "Lock Workstation" or choose any name you like.
Click Finish.


How to Change Hard Disk and CD-ROM Drive Letter in Windows XP?
You can change your hard drive letter or your cd-rom drive letter, the giving steps help you to do this:

Click the start button then go the Administrative tools option.
In Administrative Tools, go into Computer Management option then click on Disk management under Storage option. Here in lower right corner you will option to change.
Option from the "assign the following drive letter", select the letter you want to assign to the hard drive or the cd-rom drive then click Ok.