The projector and notebook don't display the same image. What should I do?
If you're projecting from a notebook, and you can't see your image on the projection screen and on your computer at the same time, follow these guidelines.
If you're using a PC notebook:
If you're using Mac OS X:
- On most systems, there's a function key that lets you toggle between the LCD screen and the projector, or display on both at the same time. It may be labeled CRT/LCD or have an icon such as . You may have to hold down the Fn key while pressing it. Allow a few seconds for the projector to sync up after changing the setting.
If the function key doesn't permit you to display simultaneously on both screens, you should check your monitor settings to make sure both the LCD screen and the external monitor port are enabled.
From the Control Panel, open the Display utility, select the Settings option, then select the Advanced option (in Windows Vista, right-click on the desktop, select Personalize, select Display Settings, then select Advanced Settings). The method for adjusting the settings varies by brand; you may need to click a Monitor tab, then make sure the external Monitor port is set as your primary display and/or enabled. See your computer's documentation or online help for details.
You may need to set up your system to display on the projector screen as well as the LCD screen. Make sure your projector is connected and follow these steps:
- Select System Preferences.
- Click Display or Displays.
- Click Detect Displays.
Do one of the following:
Mac OS X 10.6: Click Show displays in the menu bar.
Other versions of Mac OS X: Make sure the VGA Display or Color LCD dialog box is selected, click the Arrangement or Arrange tab, then make sure the Mirror Displays check box is selected.
Published: February 11, 2011
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