How to set up dual projectors on a Windows computer?

Before connecting two projectors to your Windows PC/laptop, please ensure your system can run multiple video outputs. 1. To check your graphics card's maximum number of output signals, please refer to the graphics card manufacturer like the example below. Dedicate Graphics Card Integrate Graphics Card  2. Make sure your devi...

The AC adapter for the projector does not work

Verify adapter plugged into a wall outlet Make sure the AC adapter is firmly and securely plugged into the wall outlet.  Although it may sound obvious, the adapter can become loose without even knowing.  If it's not plugged in all the way, it can make it seem like the adapter is not working, but it may just not be getting power from the wall...

Want to know about supported picture, video and audio formats

Each product has its own list of compatible video, audio and image formats. The best way to know what file type is specifically supported by your product is to look in the user guide for your particular model.

How to reset lamp timer

After replacing the Projector Lamp, resetting the lamp timer is highly recommended to help keep track of how long the lamp has been on. The Lamp Timer will also let you know when the lamp needs to be replaced. The Lamp timer can be found in the projector Menu. The specific location of the timer can be found in different locations depending ...

There are issues connecting an external monitor to a computer/projector

If the external monitor/ projector is not automatically detected and displaying an image, you will need to use a function key to enable or activate the function. Laptop manufacturers have different methods to activate an external monitor. Refer to the laptop's user guide/manual or the manufacturer for instructions to activate the video port for...

Android mobile phones are unable to mirror cast via Google Home App.

Recently we've noticed an incompatibility issue between some ViewSonic smart projectors and Google Home App with the latest update. Some users might not see ViewSonic projectors on the device list when trying to mirror cast their Android mobile phone to ViewSonic projectors via Google Home App.  We are aware of this issue and currently workin...

How to do when my screen doesn’t display native resolution after Windows 10 update?

Windows update may cause some issues with screen resolution setting being lost, Please follow below steps to change the resolution of the screen and check: Type Change screen resolution in the Search box from the desktop  and click   Change screen resolution of the display.   Under Display Resolution select Recommended resolution. A wi...

Projector turns on initially but then cycles off

Projectors may shut off for a couple different reasons. If the projector over heats, check to see if there is enough ventilation for air to be circulated around the unit. Make sure fans are running and that there is no obstruction. Let it cool, clear obstructions and check fans when turning the unit back on. After market lamps may cause a...

There is a pixel stuck on or off

Stuck or twinkling pixels on the projected image may be due to a defective DMD chip. These pixels can show up as bright, dark or twinkling points. They look similar to pixel defects on LCD displays. This cannot be fixed by the end user and must be sent in for service. Contact ViewSonic Customer Care to verify if your unit qualifies for warrant...

What to do if there is a shadow or double image on the projector screen?

Analog extension cables, adapters, docking stations and longer cables may be prone to generate ghosting, lines, double images, or poor focus. The improper shielding of the extension cables will cause a shadowing or ghosting effect due to mismatch of the input impedance between the video source, the video cable, and the projector. Please use th...

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