How to change the projector lamp in a projector?

The methods for changing the projector lamp (bulb) differ depending on the model of the projector. For accurate instructions, you can find lamp swapping instruction at ViewSonic product download page.   <Note> It is recommended that you use an authentic ViewSonic replacement lamp.  

How to purchase a lens for a projector

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...

Why the image is pixelated from my projector?

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.

What to do if there is spot on the projected image?

1.If spot is only visible when projected image in defocus, it would not impact usage.   2.If spot is visible when projected image in focus, please contact ViewSonic Service center for help.

How to download the latest drivers for my projector

Option 1: Download from the ViewSonic Website Go to http://www.viewsonic.com/us/downloads_section/ Enter the Product Name, Product series and model number. Select the driver based on the operating system of your computer. Once the file downloads, double-click to open and start the installation. If you select Save, double-click on the downl...

The image is out of focus

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...

How to restore the projector to factory default settings?

Use the "Reset All Settings" or "Factory Reset" option in the menu to revert all configurations to their original state. Standard Projector Menu: Press [Menu] on your remote. Navigate to [System Setting: Advanced]. Select [Reset All Settings] and confirm. Smart Projector Menu (M-series / X-series): Go to the Home Screen...

How to clean the projector lens

To clean the projector lens, do the following: Use a canister of compressed air to remove dust. If the lens is still not clean, use lens-cleaning paper or moisten a soft cloth with lens cleaner and gently wipe the surface. CAUTION: Never rub the lens with abrasive materials

How to fix shadows, ghosting, or double images on the projector screen?

Image artifacts are often caused by poor cable quality or signal interference. Use high-quality cables and avoid using excessive adapters. Use Bundled Cables: Test using the [original video cable] provided with the product. Remove Intermediate Devices: Disconnect any [docking stations], [adapters], or [video splitters]. Connect the ...

How do I connect external speaker(s) to my projector?

1.Wired connection:   1.1 via 3.5mm audio out:       If the projector is equipped with a 3.5 mm audio out mini jack, usually it is  green and marked as          Audio Out. Please connect a 3.5 mm audio cable between speaker and projector for audio output        purpose.     1.2 via S/PDIF:        If the model is equipped with S/PDIF por...