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.
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 ...
To locate the maximum or native resolution for a projector, there are a few places this can be found. We highly recommend using the native resolution for LCD displays as this will provide the clearest possible image from the device. Check the product page for your model on the Viewsonic website and you will see the native resolution displaye...
Please refer to this FAQ: How to solve the overscan problem with my monitor?
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...
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.
Make sure that you have set it to its native resolution. Check the user guide to determine what the native resolution of the display is and set it to the native resolution if the video source that is being used can support it. Digital signals (HDMI, DisplayPort) normally produce sharper images. If you are using a VGA or analog signal try to s...
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...
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...
On some projector models, the fan will remain on after the unit has been shut down and in standby mode. This is normal operation for any model with the network feature that had been enabled. The feature can be disabled by selecting Menu>Option>Network > Off. If the Network feature is enabled then expect the fan to remain on at a lower speed w...