Epson Powerlite 7700p Multimedia Projector Users Guide

6
Solving Problems65
Solving Problems
This chapter helps you solve problems with your projector, and tells 
you how to contact technical support for problems you can’t solve 
yourself. This chapter explains the following:

Using the projector’s on-screen help system

What to do when the projector’s status lights flash

Solving problems with the image or sound 

Solving problems with the remote control

Contacting technical support
7700.book  Page 65  Wednesday, November 1, 2000  6:15 PM 

66Solving Problems
Using On-Screen Help 
If you see a No Signal message or your audio isn’t working, you can 
get help by pressing the blue 
? Help button on top of the projector or 
under the cover on the remote control. The following choices are 
available:

Help for the image
Tells you what to do if you see a No Signal message

Help for the sound
Tells you what to do when your audio isn’t working

Language selection
Lets you display the help information and projector menus in any 
of nine different...

Solving Problems67
What To Do When the Lights Flash
The lights on top of the projector indicate the projector’s status and 
let you know when a problem occurs.
If the projector is not working correctly, first turn it off and unplug it. 
Then plug the power cord back in and turn on the projector. If this 
does not solve the problem, check the status lights on top of the 
projector and try the solutions recommended below.
The   power light is flashing orange and you cannot turn 
on the projector.
The lamp...

68Solving Problems
The   temperature light is flashing orange.

The projector is getting too hot. Turn it off and let it cool. Make 
sure the room temperature does not exceed 104 
°F and there is 
plenty of space around and under the projector for ventilation. 

The air filter may be clogged. Clean or replace it as described on 
page 59. 
The   temperature light is red.

The projector has overheated. Turn it off and let the projector 
cool for a few minutes, then turn it back on. Make sure the room...

Solving Problems69
Solving Problems with the Image or 
Sound
No image appears on the screen.

Check that the power light is green, not flashing, and the lens 
cover is off. 

The projector may be in sleep mode. If the power light is orange, 
press the 
Power button to turn the projector on.

If the power was switched off and then on again, the projector 
may still be cooling down. Wait until the power light stops 
flashing and remains orange; then press the 
Power button again.

Make sure the Brightness...

70Solving Problems
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...

Solving Problems71
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 this option isn’t available, click the 
Monitor icon. 
5. Select one of the listed 
Simulscan resolutions. (Allow a few 
seconds for the projector to sync up after making the 
selection.)
The message Not Supported is displayed.
Make sure your computer’s resolution doesn’t exceed UXGA 
(1,600 
× 1,200), and the frequency is supported by the projector 
(see page...

72Solving Problems
The image isn’t square, but trapezoid-shaped.

Make sure the projector isn’t placed off to one side of the screen, 
at an angle, or the image won’t be square. Place the projector 
directly in front of the center of the screen, facing the screen 
squarely.

If you’ve tilted the projector upward by extending the legs, the 
image will be broader at the top. Hold down the 
+ or – side of the 
Keystone button on top of the projector until the image is 
square. 
The image is blurry or poor....

Solving Problems73
The colors of the image are not right.

The color balance may be incorrect. If you’re displaying a 
computer image, use the 
Gamma option in the projector’s Video 
menu to adjust the balance of red, green, and blue. If you’re 
displaying video, adjust the 
Color, Tint, and Gamma settings on 
the Video menu. Also try adjusting the 
Color Setting option in 
the Advanced menu.

Check your computer display settings to correct the color balance.
There is no sound.

Try turning up the...

74Solving Problems
Solving Problems with the Remote 
Control
The projector doesn’t respond to remote control commands.

Make sure the remote control is turned on. 

Make sure you are within 30 feet of the projector, and within 
range of the projector’s front or back sensor (approximately 30
° to 
left or right and 15
° above or below).

The remote control batteries may not be installed correctly or may 
be low on power. To test the batteries, press the  light button. 
The other buttons on the remote...