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Troubleshooting 17
The name of your display doesn’t appear in the title bar of the Monitors control
panel.
m Make sure you’ve installed the Apple Displays Software that came with your display. For
installation instructions, see Chapter 2, “Installing the Apple Displays Software.”
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 Chapter 2, “Installing the Apple Displays Software.”
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 Display” on page 6.
m If the Apple Displays Software is installed and you start up your computer holding the
Shift key down 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
Chapter 2, “Installing the Apple Displays Software.”
When you press the monitor power button, the computer shuts down or goes to
sleep.
m The monitor power button shuts down or puts to sleep both the monitor and your
computer. To change the monitor power button setting so that it affects the monitor only,
use the Preferences section of the Monitors control panel.