The projector and notebook don't display the same image. What should I do?
Follow these guidelines:
If you're using a PC notebook:
If you're using Macintosh 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.
- Select System Preferences from the Apple menu and 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 and make sure the Mirror Displays checkbox is selected.
Published: May 11, 2010
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