Troubleshooting H series Acer H7850

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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

Solution

1

No image appears 

onscreen

Connected as described in the "Getting Started" 
section.

Ensure none of the connector pins are bent or 
broken.

Check if the projector 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.

2

Partial, scrolling 

or incorrectly 

displayed image 

(for PC 

(Microsoft® 

Windows® 2000, 

XP, Vista®, 

Windows 7, 

Windows 8.1, 

Windows 10, 

Macintosh® OS 

compliant, 

ChromeOS 

Compliant))

For an incorrectly displayed image:

Open "My Computer", open the "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 WUXGA-RB (1920 x 

1200).

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 WUXGA-RB (1920 x 1200).

Click the "Change" button under the 
"Monitor" tab.

Click "Show all devices". Next, select "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 

WUXGA-RB (1920 x 1200).