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If the built-in iSight camera, microphone, speaker system, or USB ports on the
display aren’t working:
Make sure the USB cable from the display is rmly plugged into the USB port on your
computer. The display’s camera, microphone, speaker system, and USB ports work only
when this cable is connected to your computer.
More Troubleshooting Information
You can nd more troubleshooting information on the Displays support website at:
You can nd more information about your display on the Apple website and in
To learn about See
Using your display Mac Help and search for “displays.”
Display service, support,
and software downloads
The Displays Support site at www.apple.com/support/displays.
The latest information about
The Apple Display site at www.apple.com/displays.
Registering your display The Apple Product Registration site at www.apple.com/register.