To adjust the desktop setting, access
the Display Properties window as explained in the previous section. In
the Settings tab, adjust the number of colors and the number of pixels
that will be displayed. 
Pixels are the tiny dots that make up the
light on the screen and determine the intensity of a screen image.
Lower values, for example, tend to display cartoon-like color images,
which are grainy with few details. Higher values display more
realistic color images, approaching a "true color" of 16.7
million colors, and superb detail. Once the color or number of pixels
has been selected, click Apply. The message in Figure 
will popup.
Click on OK. The message in Figure 
will popup. Choose Yes to
reconfigure the desktop. The screen display may go blank or the
desktop screen may jump around. Do not worry. Windows is adjusting the
desktop to match the new settings.
Note: When first installing a video card, Windows will default to
the lowest settings of 640x480 resolution and possibly even eight
colors. When a video card driver is installed with driver software
that is supplied by the manufacturer, then more colors and resolutions
can be displayed. More on this topic will be discussed under monitors
and video cards (adapters) in the next chapter.
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