This problem is most likely due to the video card not being correctly set up.

If the computer is booted up without a secondary monitor hooked up to it, the settings for multiple displays can be automatically reverted back to one.

Follow these steps to fix it.

  1. Double click “Display Manager
  2. Under display click “Set up multiple displays
  3. Under display mode click “dualview
  4. Click Change resolution
  5. Make sure the main screen is set to 1024×768
  6. Click on the TV
  7. Make sure the TV resolution is set to 640×480
  8. Now double check, your MessageNOW should be functioning properly.
  9. If so reboot the machine, and when it is done booting again check the settings to ensure they have saved.