Optoma Technology TXR774 用户手册

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Troubleshooting

If you experience a problem with your projector, please refer to the follow-

ing information. If a problem persists, please contact your local reseller or 

service center.

Image Problems

 Ensure all the cables and power connections are correctly and 

securely connected as described in the Installation section.

 Ensure all the pins of connectors are not bent 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.

Partial, scrolling or incorrectly displayed image

 Press “Re-Sync” on the remote.

 If you are using a PC:

For Windows 95, 98, 2000, XP:
1. Open the My Computer icon, the Control Panel folder, and 

then double click on the Display icon.

2. Select the Settings tab.
3. Verify that your display resolution setting is lower than or 

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4. Click on the Advanced Properties button.

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.

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(1600 x 1200).

6. Select the Change button under the Monitor tab.
7. Click on Show all devices. Next, select Standard monitor 

types under the SP box; choose the resolution mode you 

need under the “Models” box.

8. Verify that the resolution setting of the monitor display is 

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