Screen Resolution in Windows means the number of dots, or in more exact term, Pixels, that your monitor supports.

For normal Windows Screen Resolution, there are few common resolutions, the standard name with total number of pixels.

1. 640X480 - VGA, 307K
2. 800X600 - SVGA, 480K
3. 1024X768 - XGA, 786K
4. 1280X1024 - SXGA, 1.3M
5. 1600X1024 - WSXGA, 1.6M
6. 1920X1200 - WUXGA, 2.3M

Normal windows users rarely go beyond SXGA resolution. Higher resolution are important for CAD-CAM users as they require extra pixels for precise views.

How to change Windows XP Screen Resolution

To change Windows XP Screen Resolution, follow the steps below.
1. Go to Control Panel.
2. Double click Display item.
3. Go to Setting tab.

   

4. All available Screen Resolutions will be show under “Screen resolution” box.
   Try drag the scroll bar from Less to More, to show all available screen resolution.

5. To avoid selecting an unsupported resolution, which will make your screen unusable, always click “Apply” to check the resolution.
6. After apply, if the selected resolution is not supported, wait for about ten seconds for the system to return to previous screen resolution.

By changing screen resolution, viewing of images, especially high resolution images will be more enjoyable.

Other factors that will affect the viewing including number of colours (bits), refresh rate (Hz) and screen size (inch).