Can I display on the screen and a computer monitor simultaneously?

• Connect your computer to the projector with a VGA cable or a USB cable (only Windows XP, 2000, XP64 or Vista). See Connecting to a Computer for instructions.
  
  If you're using a laptop also try the following:
  
  PC
  • Press the function key that lets you display on an external monitor. It's often labeled with an icon such as , but it may also be labeled CRT/LCD. You may have to hold down the Fn key while pressing it. Check your laptop's manual or online help.
    
    On most systems, the key lets you toggle between the LCD screen and the projector, or display on both at the same time. Allow a few seconds for the projector to sync up after pressing it.
  • Depending on your computer's video card, you might need to use the Display utility in the Control Panel to make sure that both the LCD screen and external monitor port are enabled. See your computer's documentation or online help for details.
  Macintosh OS X
  1. Make sure the projector is connected to your Macintosh.
  2. Select System Preferences from the Apple menu and click Display or Displays.
  3. Click Detect Displays.
  4. Make sure the VGA Display or Color LCD dialog box is selected.
  5. Click the Arrangement or Arrange tab. (If you don't see this tab, make sure it isn't hidden by another window.)
  6. Make sure the Mirror Displays checkbox is selected.
     

Note: Some LCD monitors may not be able to display the image correctly. If you have trouble displaying the image, connect a multiscan monitor. If you're projecting computer images, make sure the computer's refresh rate is set to 60 Hz or greater.