Please refer to this FAQ.
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...
If a fan begins to make a rumbling noise this may indicate a problem with the fan. Fans are essential to maintain optimal operating efficiency of the projector; so it is strongly recommended that the unit be sent in for service to replace the fan. If it seems like there is something hitting the fan blades it could mean that there is an obstru...
As of April 2021, below is BT support model list.
Please refer to this FAQ: What to do if there is no sound from the monitor’s speakers when connected with PC/laptop?
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...
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...
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...
When a digital signal is connected (e.g. HDMI, DisplayPort, DVI), there are certain options greyed out in OSD menu as preset settings that cannot be changed. Those greyed out settings will be available when an analog signal (e.g. VGA) is connected.
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.