31
Troubleshooting
Problem: Nothing on projection screen
•
Make sure that the power cord is properly connected to a fully
functional AC electrical outlet. Make sure that the power cord
is also properly connected to the projector.
•
If the projector is plugged into a power strip, make sure the
power strip is turned on.
•
Make sure you have removed the lens cap on the projection
lens at the front of the projector.
•
Make sure the projector is switched on.
•
Check the projector’s lamp to ensure that it is securely con-
nected in the lamp module. See “Replacing the Projection
Lamp” on page 27.
•
Make sure that the cables do not have any bent pins.
Problem: Color or text not being projected
•
You might need to adjust the brightness up or down until the
text is visible. Refer to “Brightness” on page 18 for more infor-
mation.
Problem: The screen resolution is not right
•
Make sure the computer’s video card is set for a resolution of
no greater than 1024x768.
Problem: Image isn’t centered on the screen
•
Reposition the image. Refer to “Horizontal position” on
page 22 and “Vertical position” on page 22.
•
Be sure the projector is at a 90 degree angle to the screen.
Problem: Only the start-up screen displays
•
Verify that the cables are connected correctly. See page 7
through page 8 for connection procedures.
•
Verify that the proper input source is connected. See “Source”
on page 15.
Summary of Contents for LP425z
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