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Type adjusting monitor settings in the Search Help box, then press ENTER. To change the color depth and screen resolution in Windows Vista®: 1 Click (Start), Control Panel, then under Appearance and Personalization, click Adjust Screen Resolution. The Display Settings dialog box opens. Shortcut You can also right-click on your Windows desktop, then click Personalize. 2 To change the color depth, click the Colors list, then click the color depth you want. Color depth settings: • Low (8-bit) = 256