Viewsonic PJ755D 用户手册
ViewSonic PJ755D
22
Appendices
Troubleshooting
If you experience trouble with the projector, refer to the following information. If the problem persists, please con-
tact your local reseller or service center.
tact 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"
“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.
* Press A/V Mute button to maker sure the image has not been turned off temporarily.
* Press A/V Mute button to maker sure the image has not been turned off temporarily.
Problem: Partial, scrolling or incorrectly displayed image.
* Press the “Sync” button on the Remote Control or Press the “Re-Sync” button on the Control Panel.
* If you use a PC:
* Press the “Sync” button on the Remote Control or Press the “Re-Sync” button on the Control Panel.
* 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
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 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.
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.
6 . Click on “Show all devices”. Then select “Standard monitor types” under the “Manufacturers” box;
5 . Select the “Change” button under the “Monitor” tab.
6 . Click on “Show all devices”. Then select “Standard monitor types” under the “Manufacturers” box;
choose the resolution mode you need under the “Models” box.
7 . Verify that the resolution setting of the monitor display is less than or equal to 1024 x 768.
* If you are using a Notebook PC:
1 . You are required to implement the above steps of resolution setting of the computer first.
2 .Switch the Notebook PC display to the “external display only” or “CRT only” mode.
2 .Switch the Notebook PC display to the “external display only” or “CRT only” mode.
* If you experience difficulty in changing resolutions or your monitor freezes, restart all the equipment
and the projector.
Problem:
The screen of the Notebook or Power Book computer is not displaying your presentation.
* If you are using a Notebook PC:
The screen of the Notebook or Power Book computer is not displaying your presentation.
* If you are using a Notebook PC:
Some Notebook PCs may deactivate their screens when a second display device is in use. Refer to
your computerís documentation for information on how to reactivate the monitor display.
your computerís documentation for information on how to reactivate the monitor display.
* If you are using an Apple PowerBook:
In Control Panels, open the PowerBook Display to select Video Mirroring “On”.