HOW TO: Change your display resolution
Do your photos look unusually stretched, or your text uncomfortably fuzzy? Your “resolution” may need adjustment. That is, the little dots or “pixels” that draws everything on your display screen may not be the best size. Follow the link below for some simple instructions on changing your display resolution.
http://www.freeemailtutorials.com/microsoftWindows/changingScreenResolution.cwd
or this link for a pictoral guide in Windows XP:
http://www.microsoft.com/windowsxp/using/setup/personalize/resolution.mspx