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.
Please refer to user guide on page "Important Safety Instructions". Some projectors may be claimed to use at a limited angle dependent on the light source, such as lamp or LED.
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...
The projector's image size is determined by the distance between the projector itself and the screen. You can adjust the screen size by repositioning the projector, the image size and the distance needed will be shown in the projector user's manual. Some projectors also come with a zoom ring for the finer adjustment.