Analog extension cables, adapters, docking stations and longer cables may be prone to generate ghosting, lines, double images, or poor focus. The improper shielding of the extension cables will cause a shadowing or ghosting effect due to mismatch of the input impedance between the video source, the video cable, and the projector. Please use th...
Stuck or twinkling pixels on the projected image may be due to a defective DMD chip. These pixels can show up as bright, dark or twinkling points. They look similar to pixel defects on LCD displays. This cannot be fixed by the end user and must be sent in for service. Contact ViewSonic Customer Care to verify if your unit qualifies for warrant...
Recently we've noticed an incompatibility issue between some ViewSonic smart projectors and Google Home App with the latest update. Some users might not see ViewSonic projectors on the device list when trying to mirror cast their Android mobile phone to ViewSonic projectors via Google Home App. We are aware of this issue and currently workin...
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...
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.
1.Please increase the Contrast and Brightness in OSD menu. 2.Check the light source level and make sure it’s on Full or Normal. 3.Turn off or reduce environmental luminance where the projector is in use.
Please go to Projector Distance Calculator. Enter the desired distance from the screen to calculate the image dimensions. Try different distance values until you find the desired image size.
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...
Please refer to this FAQ: How to solve the overscan problem with my monitor?
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.