Specifications

Troubleshooting 57
Problems With Your Display
No image appears on the screen.
m Make sure the display and server are turned on.
m Make sure the cables are connected properly to your server and the display.
m Make sure your server is not in sleep. Press the power button or any key to see if the
server wakes.
m Make sure the display brightness and contrast are set properly. Some monitors have
brightness and contrast controls on or under their front edge.
The screen image appears dim or flickers.
m Adjust the display brightness and contrast settings. Some displays have brightness and
contrast controls on or under their front edge. Depending on how dim your monitor
appears, you may be able to adjust brightness or contrast using the Displays pane in your
server’s System Preferences.
m Calibrate the monitor using the Calibrate button in the Displays pane of System Preferences.
m 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 server.
Try relocating nearby electrical devices or moving your server and display.
No colors appear on the screen or the colors don’t look right.
m Make sure the display is connected firmly to the server.
m You may want to calibrate your monitor using the Displays pane in your server’s
System Preferences. For more information on color and your display, see Mac Help.
m Click the Display tab in the Displays pane of System Preferences and make sure your
monitor is set to display colors. For more information on color and your display, see
Mac Help.
After you change the screen resolution, desktop icons move.
m Changing the screen resolution affects the display of information on your screen. The
operating system may reposition icons after you change the screen resolution.
Warning If you have a problem with your Apple display and nothing presented in this
manual solves it, contact an Apple-authorized service provider or Apple for assistance.
If you attempt to repair the display yourself, any damage you may cause to the display
will not be covered by the limited warranty on your display. Contact an Apple-authorized
dealer or service provider for additional information about this or any other warranty
question.