Displaying From a Mac Laptop

If you see the "No Signal" message when you display from a Mac laptop, you need to set up the laptop for mirrored display. (See your laptop manual for details.)
  1. Open the System Preferences utility and select Displays.
  2. Select the VGA Display or Color LCD option, if necessary.
  3. Click the Arrange or Arrangement tab.
  4. Select the Mirror Displays checkbox.