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Make sure the brightness is set properly. The brightness control (marked by
) is under
the right front edge of the display.
During installation of the Apple Displays Software, a message appears, “This
version of system software is not supported by the Apple Displays Software.”
Make sure you’re using the latest version of the Mac OS.
If this message appears in the Apple Displays Software Installer, make sure you select the
startup hard disk in the Installation dialog box.
A message appears, “This monitor is not supported by this version of the Apple
Make sure you have installed the Apple Displays Software that came with your display. For
installation instructions, see Chapter 2, “Installing the Apple Displays Software.”
The screen image appears dim or flickers.
Adjust the brightness setting. The brightness control (marked by
) is under the right
front edge of the display.
Calibrate the monitor using the Calibrate option of the Monitors control panel.
m The ﬂickering could 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.
The screen image is blurry.
m Switch the resolution of the display using the Monitors control panel or the Control Strip.
It’s recommended that you choose the 1024 x 768 resolution for best results.
No colors appear on the screen or the colors don’t look right.
m Make sure the display cables are connected ﬁrmly to the correct ports on the computer.
m You may want to calibrate your monitor using the Monitors control panel. For more
information on color and your display, see Mac Help.
m Open the Monitors control panel and check if your monitor is set to display shades of
gray. 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 automatically reposition icons after you change the screen
The screen freezes.
m If you are using both Energy Saver and a screen-saver program, the screen-saver program
may be conﬂicting with Energy Saver. Turn off either the screen-saver program or Energy
Saver, and restart your computer.