Filter
Top Products
m Make sure the display cables are connected to your computer properly.
m Make sure the DVI display cable is connected securely.
m Make sure your computer is not in sleep mode.
m 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.”
m Make sure you’re using the latest version of the Mac OS.
m 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.”
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.
The screen image appears dim or flickers.
m Adjust the brightness setting. The brightness control (marked by ¤) is under the
right front edge of the display.
m Calibrate the monitor using the Calibrate option in 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.
13
Troubleshooting
Check this section for solutions to problems you might experience with your display.
The light on the front of the monitor is flashing amber.
The power light flashes amber when an error has been detected.
m If you see a repeating sequence of three short flashes, the monitor is detecting input
in the wrong video format. Check that you have the correct graphics card installed
and that you’ve installed the correct monitor software.
m 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.
m Make sure the display is turned on.
m Make sure the computer is turned on.
m 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.