Apple MB871LL User Manual - Page 85
If no colors appear on the screen or the colors don't look right
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UPC - 885909281015
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Page 85 highlights
 The flickering may be caused by interference from a nearby power line, a fluorescent light, or an electrical device-for example, a radio, a microwave oven, or another computer. Try relocating nearby electrical devices or moving your computer and display. If no colors appear on the screen or the colors don't look right  Make sure the display is connected firmly to the computer.  Open the Displays pane of System Preferences and make sure the display is set to display millions of colors. For more information about color and your display, see Mac Help.  Calibrate the display, as described on page 84. If after you change the screen resolution, desktop icons move Changing the screen resolution affects the display of information on your screen. The operating system may reposition icons when you change the screen resolution. If the screen freezes  Force the frozen application to quit. Hold down the Command and Option keys and press Esc. Then select the application in the list and click Force Quit.  If that doesn't work, force the computer to restart by pressing the power (®) button for 5 or 6 seconds until your Mac Pro shuts down. Press the power (®) button again to start up your Mac Pro. Chapter 4 Problem, Meet Solution 85
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