78English ...AppendicesProblem: No image appears on screen Ensure all the cables and power connections are correctly andsecurely 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. Pleaserefer to the “Replacing the lamp” section. Make sure the projector is switched on. Ensure that the “AV-MUTE” feature is not turned on.Problem: Partial, scrolling or incorrectly displayed image Press “AUTO ADJ.” on the remote control. If you are using a PC:For Windows Vista:1. From the “My Computer” icon, open the “Control Panel” folder,and double click the “Appearance and Personalization”2. Select “Personalization”3. Click “Adjust screen resolution” to display “Display Settings”.Click on the “Advanced Settings”.For Windows 7:1. From “Start” menu, open “Control Panel”.2. From drop-down menu select “Display”.3. Click “Adjust resolution”.If the projector is still not projecting the whole image, you willalso need to change the monitor display you are using. Refer tothe following steps.4. Verify the resolution setting is less than or equal to 1280 x 1024resolution.TroubleshootingIf you experience trouble with the projector, refer to thefollowing information. If the problem persists, please contactyour local dealer or service center.