BenQ PW9620 DLP Projector User Manual - Page 70

Common problems and solutions

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English Common problems and solutions These guidelines provide tips to deal with problems you may encounter while using the projector. If the problem remains unsolved, contact your dealer for assistance. Often the problem is something as simple as a loose connection. Check the following before proceeding to the problem-specific solutions. • Use some other electrical device to confirm that the electrical outlet is working. • Ensure the projector is turned on. • Ensure all connections are securely attached. • Ensure the attached device is turned on. • Ensure a connected PC is not in suspend mode. • Ensure a connected notebook computer is configured for an external display. (This is usually done by pressing an Fn-key combination on the notebook.) Tips for troubleshooting In each problem-specific section, try the steps in the order suggested. This may help you to solve the problem more quickly. Try to pinpoint the problem to avoid replacing non-defective parts. For example, if you replace batteries and the problem remains, put the original batteries back and go to the next step. Keep a record of the steps you take when troubleshooting: The information may be useful when calling for technical support or for passing on to service personnel. Image problems Problem: No image appears on the screen 1. Verify the settings on your notebook or desktop PC. 2. Turn off all equipment and power up again in the correct order. Problem:The image is blurred 1. Adjust the Focus on the projector . 3. Press the AUTO SYNC button on the remote control or projector. 4. Ensure the projector-to-screen distance is within the specified range. 5. Check that the projector lens is clean. 6. Remove the lens cover. Problem:The image is wider at the top or bottom (trapezoid effect) 1. Position the projector so it is as perpendicular to the screen as possible. 2. Use the Keystone button on the remote control to correct the problem. Problem:The image is reversed or upside down Check the Ceiling & Rear setting on the Setting menu of the OSD. Problem:The image is streaked 1. Adjust the Phase and Clock on the Signal menu of the OSD to the default settings. 2. To ensure the problem is not caused by a connected PC's video card, connect to another computer. Downloaded From projector-manual.com BenQ Manuals 70

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English
70
Common problems and solutions
These guidelines provide tips to deal with problems you may encounter while using the projector. If
the problem remains unsolved, contact your dealer for assistance. Often the problem is something
as simple as a loose connection. Check the following before proceeding to the problem-specific
solutions.
•
Use some other electrical device to confirm that the electrical outlet is working.
•
Ensure the projector is turned on.
•
Ensure all connections are securely attached.
•
Ensure the attached device is turned on.
•
Ensure a connected PC is not in suspend mode.
•
Ensure a connected notebook computer is configured for an external display. (This is usually
done by pressing an Fn-key combination on the notebook.)
Tips for troubleshooting
In each problem-specific section, try the steps in the order suggested.This may help you to solve
the problem more quickly.
Try to pinpoint the problem to avoid replacing non-defective parts.
For example, if you replace batteries and the problem remains, put the original batteries back and
go to the next step.
Keep a record of the steps you take when troubleshooting: The information may be useful when
calling for technical support or for passing on to service personnel.
Image problems
Problem: No image appears on the screen
1. Verify the settings on your notebook or desktop PC.
2. Turn off all equipment and power up again in the correct order.
Problem:The image is blurred
1. Adjust the Focus on the projector .
3. Press the AUTO SYNC button on the remote control or projector.
4. Ensure the projector-to-screen distance is within the specified range.
5. Check that the projector lens is clean.
6. Remove the lens cover.
Problem:The image is wider at the top or bottom (trapezoid effect)
1. Position the projector so it is as perpendicular to the screen as possible.
2. Use the Keystone button on the remote control to correct the problem. Problem: The image is
reversed or upside down
Check the Ceiling & Rear setting on the Setting menu of the OSD.
Problem:The image is streaked
1. Adjust the Phase and Clock on the Signal menu of the OSD to the default settings.
2. To ensure the problem is not caused by a connected PC’s video card, connect to another
computer.
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