Solutions To Common Problems - InFocus LP720 User Manual

T r o u b l e
46
s h o o t i n

Solutions to Common Problems

Problem: Nothing on projection screen
Make sure that the power cord is properly connected to a func-
•
tional 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 41.
Make sure that the CableWizard and the cables do not have
•
any bent pins. Check the power cord for bent pins also.
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 27 for more infor-
mation.
Verify that the appropriate input source is selected. See "Com-
•
puter" on page 27 or "Video" on page 29.
Problem: The screen resolution is not right
Make sure the computer's graphics card is set for a resolution
•
of no greater than 1024x768 for the 720, 1280x1024 for the 730.
Problem: Image isn't centered on the screen
Reposition the image. Refer to "Horiz. Position" on page 36
•
and "Vert. Position" on page 36.
If you're using an extension cable between the CableWizard
•
and the projector, make sure it's In Focus-approved.
Problem: Only the start-up screen displays
Verify that the cables are connected correctly. Check to see that
•
the CableWizard computer cable is correctly connected to the
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