Optoma H31 User Manual - Page 27
Appendices - problems
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English Appendices Troubleshooting If you experience trouble with the projector, please refer to the following information (listed below). If the problem persists, contact your local reseller or service center immediately. Problem: No image appears on screen. 4 Ensure that all cables and power connections are correctly and securely connected as described in the "Installation" section. 4 Ensure that the pins of connectors are not crooked or broken. 4 Check to see if the projection lamp has been securely installed. Please refer to the "Replacing the Lamp" section for more information. 4 Make sure that you have removed the lens cap and that the projector is powered on. 4 Ensure that the "Hide" feature is not turned on. Problem: Partial, scrolling or incorrectly displayed images 4 Press "Re-Sync" on the Remote Control or Control Panel. 4 If you are using a PC: For Windows 3.x: 1. In the Windows Program Manager, double click the "Windows Setup" icon in the Main group. 2. Verify that your display resolution setting is less than or equal to 1280 x 1024. For Windows 95, 98, 2000, XP: 1. From the "My Computer" icon, open the "Control Panel" folder, and double click the "Display" icon. 2. Select the "Settings" tab 3. Click on the "Advanced Properties" button. If the projector is still not displaying the entire image, you may need to change the monitor display that you are using. Refer to the following steps. 27