Troubleshooting - InFocus LPTM425z User Manual

M a i n t e
40
n a n c e &

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 35.
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 25 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 29 and "Vertical position" on page 29.
Be sure the projector is at a 90 degree angle to the screen.
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Problem: Only the start-up screen displays
Verify that the cables are connected correctly. See page 10
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through page 14 for connection procedures.
Verify that the proper input source is connected. See "Source
•
(keypad only) or Computer and Video (remote only)" on
page 22.
T r o u b l e s h o o t i n g