Dell XPS M1210 (MXC062, Mid 2006) - Manual (Page 34)

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Using the Display
If you choose a resolution or color palette that is higher than the display supports, the settings adjust
automatically to the closest supported values.
1 Click the Start button and click Control Panel.
2 Under Pick a category, click Appearance and Themes.
3 Under Pick a task..., click the area you want to change, or under or pick a Control Panel icon, click
Display.
4 Try different settings for Color quality and Screen resolution.
NOTE:
As the resolution increases, icons and text appear smaller on the screen.