The display adapter, comprised of video drivers and a plug-in card or display circuit, generates the signals that display images and data on a laptop screen. The display adapter controls the maximum resolution (VGA, XGA, UXGA, WXGA and so on), how many colors can display (for example, VGA adapters can provide up to 256 colors) and how frequently the image refreshes itself (for example, 60Mhz, 75Mhz, 90Mhz). Laptop screens are generally smaller than monitor screens, so having ways to change the screen resolution as needed are important. Set a higher resolution to display more pixels per inch, and a lower resolution to increase the size of objects on the screen. Tips Writer Bio
