18 English
If the built-in iSight camera, microphone, speakers, or USB ports on the display
aren’t working:
Make sure the USB cable from the display is firmly plugged into the USB port on your
computer. The display’s camera, microphone, speakers, and USB ports work only when
this cable is attached to your computer.

More Troubleshooting Information

You can find more troubleshooting information on the Displays support website at:
www.apple.com/support/displays
Learning More, Service, and Support
You can find more information about your display on the Apple website and in
Mac Help.
To learn about Do this
Using your display Choose Help > Mac Help in the menu bar, and search for
“displays.”
Displays service, support,
discussions, troubleshooting,
and software downloads
Go to: www.apple.com/support/displays
The latest information about
displays
Go to: www.apple.com/displays
Registering your display Go to: www.apple.com/register