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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 1600 x 1024 resolution for best results.
Other resolutions may appear blurry because they are scaled to fit the monitor
screen size.
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 grays.
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
resolution.
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.
The name of your display doesn’t appear in the title bar of the Monitors control
panel.
m Make sure the USB connector on the display cable is plugged directly into your
computer’s USB port.
m Make sure you’ve installed the Apple Displays Software that came with your display.
For installation instructions, see “Installing the Apple Displays Software” on page 11.
Changes in the Monitors control panel don’t appear on the display.
m Each display connected to your computer has its own Monitors control panel. Use the
control panel with the name of your display in the window’s title bar.
m Make sure you have installed the Apple Displays Software that came with your display.
For installation instructions, see “Installing the Apple Displays Software” on page 11.
You don’t see an onscreen display when you press the brightness button, or you
don’t see power mode options in the Monitors control panel.
m Make sure you’ve connected the USB connector on the display cable to the USB port
on your computer. Some of the features of the Apple Displays Software require a USB
connection. For more information, see “Setting Up Your Apple Cinema Display” on
page 7.
m If the Apple Displays Software is installed and you start up your computer holding
down the Shift key to disable extensions, the software will not run. Restart your
computer without disabling extensions to use the software.
m Reinstall the software that came with your display. For installation instructions, see
“Installing the Apple Displays Software” on page 11.
When I press the monitor power button, the computer shuts down or goes to sleep.
m The monitor power button is preset to shut down or put to sleep both the monitor
and your computer. To change the monitor power button setting so that it affects the
monitor only, open the Monitors control panel and change the power button setting
in the Preferences section.
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