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Appendices
Troubleshooting
If you experience problems with your projector, see the following
troubleshooting tips. If the problem persists, contact your local reseller or
service center.
Problem
Possible Solution
No image appears on the
screen
y
Ensure that the projector is turned on.
y
Ensure that you have chosen the correct input source on the
OSD
Menu >
Input Source
menu.
y
Ensure the external graphics port is enabled. If images are
not displayed properly, please upgrade the video driver of
your computer.
y
Ensure that all the cables are securely connected.
y
Ensure that the pins of the connectors are not bent or broken.
Partial, scrolling or
incorrectly displayed image
y
If you experience difficulty in changing resolutions, or if your
monitor freezes, restart all the equipment and the projector.
y
If images are not displayed properly, please upgrade the
video driver of your computer.
The screen does not display
your presentation
y
If you are using a portable computer, press the toggle output
settings. Example: [Fn]+[F4].
Image is unstable or
flickering
y
Adjust the phase in the OSD
Menu >
Image > Phase
menu.
Image has vertical flickering
bar
y
Adjust the frequency in the OSD
Menu >
Image > Frequency
menu.
Image is out of focus
y
Adjust the focus ring on the projector lens.
y
Ensure that the projection screen is within the required
distance from the projector. (Please refer to “Adjusting
Projection Image Size” for more information.)
The image is stretched
when displaying a 16:9 DVD
y
The projector automatically detects the input signal format.
It will maintain the aspect ratio of the projected image
according to input signal format with an original setting.
y
If the image is still stretched, adjust the format in the
Menu >
Image > Aspect Ratio
menu in the OSD.
Power LED is flashing
amber and Lamp LED is
solid amber.
y
A projector LED has failed and the projector will automatically
shut down. If the problem persists, contact Acer.
