Make sure the weight, size, feel and power of the machine are right for you. You'll be carrying your laptop around a lot. Also, try out the keyboard and pointing device to make sure they're comfortable. The screen or display, or Liquid Crystal Display, or LCD, of a notebook, is an important element of the notebook. The size of the screen, the type, and the resolution, can all be important.
Most people focus on the size of the screen, since that is the most obvious element.
If you are a graphic designer or an avid game-player, you might want to carefully check out the type and resolution as well. Screen SIZE is measured diagonally, just like for TVs. A notebook screen displays an image as a pattern of many small dots. Every notebook screen supports at least a resolution of 640x480. Lithium batteries are lighter in weight, and have a longer life, than NIMH batteries, but they also cost more.