Acer A4K1720 User Manual - Page 31

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Appendices

Troubleshooting

If you experience a problem with your Acer projector, refer to the following

troubleshooting guide. If the problem persists, please contact your local reseller

or service center.

Image Problems and Solutions

Problem

No image appears

onscreen

Partial, scrolling

or incorrectly

displayed image

(For PC)

•

Make sure all the cables are correctly connected as

described in the "Getting Started" section.

•

Ensure none of the connector pins are bent or

broken.

•

Make sure the projector is switched on.

•

For an incorrectly displayed image:

•

Open "My Computer > Control Panel," and

then double-click the "Display" icon.

•

Select the "Settings" tab.

•

Verify that your display resolution setting is

lower than or equal to 1600 x 1200 or 1920 x

1080.

•

Click the "Advanced Properties" button.

If the problem still appears, change the monitor display

you are using and follow the steps below:

•

Verify that the resolution setting is lower than

or equal to 1600 x 1200 or 1920 x 1080.

•

Click the "Change" button under the

"Monitor" tab.

•

Click "Show all devices > Standard monitor

types" under the SP box, and choose the

resolution mode you need under the "Models"

box.

•

Verify that the resolution setting of the

monitor display is lower than or equal to 1600 x

1200 or 1920 x 1080.

Solution