You see a blue screen with the message No Signal displayed.
■Make sure the cables are connected correctly, as described in Chapter 1 or Appendix A.
■Try restarting your computer.
■If you’ve connected more than one computer and/or video source, you may need to press the Computer or Video button (on the control panel) or the Comp1, Comp2/YCbCr, or Video button (on the remote control) to select the correct source. Allow a few seconds for the projector to sync up after pressing the button.
■Make sure the Computer 1 selector switch on the projector’s interface panel is set to Analog (for standard computer video) or Digital (for a computer using DVI video). See page 12.
If you’re using a PC laptop:
■Hold down the Fn key and press the function key that lets you display on an external monitor. It’s often labelled with an icon
such as 
or it may be labelled CRT/LCD. Check your laptop’s manual or online help for details. On most systems, the
key lets you toggle between the LCD screen and the projector, or to 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.
If you’re using a PowerBook:
1.From the Apple menu, select Control Panels, then click
Monitors and Sound.
2.Click the Arrange icon.
3.Drag one monitor icon on top of the other. This lets you display on the projector screen as well as the LCD screen.
4.If the Arrange option isn’t available, click the Monitor icon.
5.Select one of the listed Simulscan resolutions. (It may take a moment for the projector to sync up.)
Solving Problems 69