142 Solving Problems
You’ve connected a computer and see a blue screen with the
message No Signal displayed.
■ Make sure the cables are connected correctly, as described
beginning on page 22.
■ If you’ve connected a computer and one or more video sources,
you may need to press the
Source Search button to select the
correct source. Allow a few seconds for the projector to sync up
after pressing the button.
■ Make sure the power for your connected equipment is turned on.
If you’re using a PC notebook:
■ Press the function key that lets you display on an external
monitor. It may have an icon such as , or it may be labelled
CRT/LCD. 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. Check your notebook’s manual or online help for
details.
On most systems, the key lets you toggle between the LCD
screen and the projector, or display on both at the same time.
■ 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.
If you’re using Mac OS X:
1. Open
System Preferences.
2. Click
Display or Displays.
3. Click
Detect Displays.
4. Do one of the following:
Mac OS X 10.6: Click
Show displays in 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.
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