To make a screenshot of the screen of your laptop, you'll need to press only one key on the keyboard. The key is in the upper right corner of any keyboard, whether a laptop or a regular computer. In this key written a few not quite understand the letters PrtSc SysRq, and since you are interested in a screenshot of the screen, then you should know that PrtScr is the abbreviation of the English. Print screen, which means literally "Print screen".
Pressing PrtScr SysRq you place the screen contents to the clipboard of the operating system, and you'll just have to save it as a image file.
To do this, open any graphics editor – Paint, Photoshop, Microsoft Office picture Manager, Picasa etc. Create a new drawing by pressing Ctrl+N or selecting file – new and press Ctrl+V or from menu edit – paste). You will see how your screenshot will appear on the screen. Now you can cut desired part of the image or to save a screenshot like that. Press Shift+Ctrl+S or menu file – Save as (save as). Name your screenshot and save it as a photo in the desired place on your hard drive.