Please refer to this FAQ.
If you are experiencing problems using HDMI input: Confirm the HDMI input is selected. Plug in the projector first, and then turn on the PC. Replace the HDMI cable, sometimes a cable may go bad. Try another signal type if available for example: VGA, DVI, DisplayPort. Test the projector on a different computer with a HDMI port to make sure...
Please refer to this FAQ: What to do if there is no sound from the monitor’s speakers when connected with PC/laptop?
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.
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...
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...
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.
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...
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.
1. Press the menu button on the projector or the remote control and then navigate to the Advanced Settings. 2. Select to restore factory default settings. Note: Some models may have the reset option in a slightly different location. Please check the user guide for specific steps.