Acer PD724W, PD726 series, PD724 series manual Troubleshooting, Problem No image appears on screen

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Appendices

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 se- curely 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 the “Resync” button on the Remote Control.

If you use a PC:

If the resolution of your computer is higher than 1024 x 768. 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 1024 x 768.

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.In the “Desktop Area” you will find the resolution setting. Verify that the resolution setting is less than or equal to 1024 x 768  reso- lution.

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 .

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Contents Manual for Disposal instructions Table of Contents English ...  Precautions Usage NoticeDon’t Product Features IntroductionIntroduction Package OverviewProduct Overview Main UnitControl Panel Connection Ports Below items are for PD724W/PD726W onlyRemote Control with Laser Pointer Installation Connecting the ProjectorFor Wireless function Powering On/Off the Projector Powering On the ProjectorPowering off the projector Adjusting the Projected Image Adjusting the Projector Image HeightAdjusting the Projector Zoom / Focus Adjusting Projection Image SizeControl Panel & Remote Control Laser Button FreezeHide Aspect RatioVolume Up Computer mode onlyDown Computer mode only BrightnessColor ContrastComponent VideoHow to operate On Screen Display MenusDisplay Mode Color TemperatureBrightness ContrastWhite Segment DegammaColor R Color GKeystone Horizontal Keystone Keystone Vertical KeystoneAspect Ratio ProjectionSignal Type Position Horizontal PositionPosition Vertical Position FrequencyECO Mode Auto ShutdownMinutesSource Lock Menu LocationLamp Hour Elapse Lamp RemindingLamp Hour Reset SecurityTimeoutMin Administrator Password Reset New passwordVolume Power On/Off VolumeAlarm Volume MuteTimer Start Timer PeriodTimer Volume Timer DisplayLanguage Computer / Video Mode LanguageWireless projection IntroductionSetting up your WPG Connecting to the WPG for the first timeDownloading the software Wireless projection Connecting to a projector Using the audio function Wireless projection Configuring your Acer WPG Configuration password setupProjector ID Wireless projection Upgrade firmware Network settingsProjector remote control Projection controlsHotkey explanation Troubleshooting Problem No image appears on screenProblem Partial, scrolling or incorrectly displayed image Problem Image is unstable or flickering Problem Image has vertical flickering barProblem Image is out of focus Problem The image is outstretched when displaying 169 DVD Problem Image is reversedProblem Lamp burns out or makes a popping sound Problem LED lighting messageLamp Changing Procedure Replacing the lampProblem Message Reminders Specifications Ethernet for PD724W/PD726W onlyCompatibility Modes VGA AnalogHdmi Digital PC Signal Regulation & safety notices FCC noticeRemarque à l’intention des utilisateurs canadiens Important safety instructions Appendices