Desktop Icons are missing?

My computer, network places, my document icons are sometime accidently deleted from desktop, then novice pc user wonder if my whole data is lost, how can we get the icons back?. well nothing to worry, Here is how can we get all these back.

Winxp:

Right click on Desktop and select properties. In the display properties window go to “Desktop tab” and select “customize desktop” button. Window will pop-up as shown below.

Right click on desktop >> Properties>> Desktop >> customize desktop

You can select the desktop items you want to display in desktop, and click “OK”.

Win7:

Right click on Desktop and select “personalize” . in “personalization” window to to  “change desktop icons” option. Window will pop-up as show below.

Right click on desktop >> Personalization >> change desktop icons

You can select the desktop items you want to display in desktop, and click “OK”.

Note: with these options you can also change the icons of desktop items.