the light on the front of the monitor is flashing amber.
the power light flashes amber when an error has been detected.
1 if you see a repeating sequence of three short flashes, the monitor is detecting inputin the wrong video format. check that you have the correct graphics card installed and that you’ve installed the correct monitor software.
2 if you see a sequence of two short flashes and a long flash, the monitor is detecting a problem with a backlighting lamp. contact an apple-authorized dealer or service provider for additional information about resolving the problem.
no image appears on the screen.
1 make sure the display is turned on.
2 make sure the computer is turned on.
3 make sure the power cord is plugged in properly.
if the display power cord is plugged into a grounded wall outlet or power strip, check to see whether power to the outlet has been interrupted. you can test the outlet by plugging in something that you know works—like a desk lamp or radio.
warning if you have a problem with your display and nothing presented in this manual solves it, consult the service and support information that came with your display for instructions on how to 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.
4 make sure the display cables are connected to your computer properly.
5 make sure the dvi display cable is connected securely.
6 make sure your computer is not in sleep mode.
during installation of the apple displays software, a message appears, “this version of system software is not supported by the apple displays software.”
1 make sure you’re using the latest version of the mac os.
2 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 displays software.”
■ 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.
2 calibrate the monitor using the calibrate option in the monitors control panel.
3 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.
■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.
1 make sure the display cables are connected firmly to the correct ports on the computer.
2 you may want to calibrate your monitor using the monitors control panel. for more information on color and your display, see mac help.
3 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.
■ 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.
1 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.
2 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.
1 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.
2 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.
1 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.
2 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.
3 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.
1 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.
2 make sure the usb connector on the display cable is plugged directly into your computer’s usb port.