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...
Please connect the projector to a different AC outlet. Connect the projector to another computer/player. In case above crosscheck remains the same result, please contact ViewSonic service center.
Usually this is related to unmatched output resolution setting and content. For example, setting 720P resolution output to a 4K projector or playing a 720P video on a 4K projector in full screen would cause pixelated. Please make sure to set recommended resolution by referring to this FAQ.
Make sure the signal cable is securely connected. 2.Try another video input source or cable or device to crosscheck. 3.Check the current resolution and refresh rate set in the graphic card or video source is compatible with the projector. You can refer to refresh rate setting video. How t...
The projector's image size is determined by the distance between the projector itself and the screen. You can adjust the screen size by repositioning the projector, the image size and the distance needed will be shown in the projector user's manual. Some projectors also come with a zoom ring for the finer adjustment.
Please refer to this FAQ: How to solve the overscan problem with my monitor?
Or browse to your projector model in the Projector Accessories section of the ViewSonic Store. If a Long Throw lens is available for your projector, it will be listed on the online store. Note: A Long Throw Lens is not available for all ViewSonic projectors. To check availability, or to purchase a long throw lens, please contact ViewSonic...
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...
There are 2 ways to mirror from iPad, iPhone (4 or later), or iPod Touch (4th Gen or later): 1. Use an Apple original "Lightning Digital AV Adapter" or "USB-C Digital AV Multiport Adapter" to connect your device to a ViewSonic projector. You might encounter no signal if you don’t use APPLE original adapter. 2.If your projector is equipp...
There are some possible reasons caused, please check below first: <Airflow> Air Flow is important for cooling: Please make sure the intake and exhaust vents are free from obstruction. Make sure the projector is not enclosed or right against a wall - it needs ventilation space. Don’t place the projector on top of other electr...