Image Problems; Lamp Problems - Lenovo M500 User Manual

Image problems

Issue
No image appears on the screen.
The image is blurred.
The image is wider at the top or bottom
(trapezoid effect).
The image is reversed.
The image is streaked.
The image is flat with no contrast.
The color of the projected image does not
match the source image.

Lamp problems

Issue
There is no light from the projector.
The lamp turns off.
B-2
M500 Projector User's Guide
Solution(s)
1. Verify the settings on your notebook or desktop PC.
2. Turn off all equipment and power up again in the correct order.
1. Adjust the Focus on the projector.
2. Press the Auto button on the remote control or projector.
3. Ensure that the projector-to-screen distance is within the 10-meter
(33-feet) specified range.
4. Check that the projector lens is clean.
1. Position the projector so it is as perpendicular to the screen as possible.
2. Use the Keystone button on the remote control or projector to correct the
problem.
1. Check the Projection setting on the Setup menu of the OSD.
1. Set the Frequency and Tracking settings on the Setup 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.
1. Adjust the Contrast setting on the Quality menu of the OSD.
1. Adjust the Color Temperature and Gamma settings on the Quality menu
of the OSD.
Solution(s)
1. Check that the power cable is securely connected.
2. Ensure the power source is good by testing with another electrical
device.
3. Restart the projector in the correct order and check that the Power LED
is green.
4. If you have recently replaced the lamp, try resetting the lamp
connections.
5. Replace the lamp module.
1. Power surges can cause the lamp to turn off. Press the power button
twice to turn off the projector. When the Ready LED is on, press the
power button.
2. Replace the lamp module.