Epson Powerlite 74c Multimedia Projector Users Guide

Solving Problems71
1
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 password problems
■Solving problems with the remote control
■Contacting technical support 

72Solving Problems
Using On-Screen Help 
If the image doesn’t look right or your audio isn’t working, you can 
get help by pressing the 
? Help button on top of the projector. The 
following choices are available:
■Help for the image
■Help for the sound
■Language selection
Follow these steps to get help:
1. Press the 
? Help button on the projector. You see the help menu.
2. Press the left side of the 
Select (Keystone) button on the 
projector to highlight one of the options. Then press the 
Enter 
(...

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4. Highlight a solution (if this choice is available). Then press the 
Enter (Source) button to select the solution. 
Highlight 
Return and press the Enter (Source) button if you 
need to back up.
If the solution is to adjust one of the settings, press the left side of 
the 
Select (Keystone) button on the projector to adjust it.
5. To exit the Help system, press the 
? Help button.
If none of the suggestions solves your problem, see additional 
solutions to problems in the following...

74Solving Problems
Power
lightWarning
light Status Description
— Flashing red at 
1-second 
intervalsInternal error There is an internal error in the projector. Turn 
the projector off and unplug it. Contact EPSON 
for help.
— Flashing red at 
0.5-second 
intervalsLamp failure The lamp is burned out, broken, or not installed 
correctly; or the lamp cover is open. Close the 
cover or replace or reseat the lamp, if 
necessary, as described on page 67. If you 
need to replace the lamp, see page 67.
— Red...

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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 cap 
is off. 
■The projector may be in standby or sleep mode. If the projector 
has not received any input signal for 30 minutes, it turns off the 
lamp to conserve the lamp life and save energy. If the power light 
is orange, press the P 
Power button to turn the projector on.
■Press the A/V Mute button to make sure the picture has not been 
turned...

76Solving Problems
Nothing appears on the external monitor.
■Make sure the VGA computer cable is connected to your 
computer’s video port and the projector’s 
Computer1/Component Video1 port. It will not work if you 
connected the computer cable to the projector’s 
Computer2/Component Video2 port.
■Make sure the cable from your monitor is connected to the 
projector’s 
Monitor Out port.
You see a blue screen with the message No Signal displayed.
■Make sure the cables are connected correctly, as described...

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■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 or iBook with 
Macintosh OS X:
1. From the Apple menu, select System Preferences, then click 
Display.
2. Select 
VGA Display or Color LCD, click Arrange or 
Arrangement, then put a check mark in Mirror Displays.
If...

78Solving Problems
Only part of the computer image is displayed.
■You may need to adjust the Position setting in the Image menu. 
See page 49 for more information.
■If you changed the Aspect Ratio setting for a different source, you 
may need to change it back to 4:3. See page 50 for instructions.
■Make sure your computer’s resolution setting is correct. Ideally, 
it should be 1024 
× 768 (for the PowerLite 74c) or 800 × 600 
(for the PowerLite 54c) to match the projector’s native resolution. 
If this...

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The image contains static or noise.
■If you’re using a computer cable longer than 6 feet, or an 
extension cable, the image quality may be reduced.
■Keep your computer and video cables separated from the power 
cord as much as possible to prevent interference.
■The video signal may be split between the computer and the 
projector. If you notice a decline in the projected image quality 
when the image is displayed simultaneously on your laptop 
computer and the projector, turn off the...

80Solving Problems
You see vertical stripes or the image still looks blurry after 
trying the solutions in the previous section.
■If you’re projecting from a computer and displaying an image that 
contains a lot of fine detail, you may notice one or more vertical 
stripes or bands, or some of the characters may look heavy or 
blurred. Press the 
Auto button on the remote control. This resets 
the projector’s tracking and sync settings.
■If further adjustment is needed, you can fine-tune the Tracking 
and...