Dell XPS ONE MTG Owner's Manual page 48

If your computer is running Windows Vista™:
1 Click the Windows Vista Start button
, and click Control Panel.
2 Under Appearance and Personalization, click Adjust screen resolution.
3 In the Display Settings window, under Resolution, slide the slide bar to
the left/right to decrease/increase the screen resolution.
4 Click How do I get the best display? for further instructions.
48
Using the Display