Appendices; Troubleshooting - Acer PD726 Series Manual

Appendices

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Troubleshooting

If you experience trouble with the projector, refer to the
following information. If the problem persists, please
contact your local reseller or service center.
Problem: No image appears on screen.
Ensure all the cables and power connections are correctly and

securely connected as described in the "Installation" section.
Ensure the pins of connectors are not crooked or broken.

Check if the projection lamp has been securely installed. Please

refer to the "Replacing the lamp" section.
Make sure you have removed the lens cap and the projector is

switched on.
Ensure that the "Hide" feature is not enabled.

Problem: Partial, scrolling or incorrectly displayed image.
Press "Re-Sync" on the remote control or on control panel.

If you use a PC:

If the resolution of your computer is higher than 1400 x 1050.
Follow the steps outlined below to reset the resolution.
For Windows 3.x:
1. In the Windows Program Manager, click the "Windows Setup"
icon in the Main group.
2. Verify that your display resolution setting is less than or equal to
1400 x 1050.
For Windows 95, 98, 2000, XP:
1. Open "My Computer" icon, the "Control Panel" folder, and then
double click on the "Display" icon.
2. Select the "Setting" tab.
3. I n the "Desktop Area" you will find the resolution setting. Verify
that the resolution setting is less than or equal to 1400 x 1050
resolution.
If the projector is still not projecting the whole image, you will
also need to change the monitor display you are using. Refer to
the following steps.
4. Follow the above steps 1-2. Click on the "Advanced Properties"
button.
5. Select the "Change" button under the "Monitor" tab.