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...
Please refer to this FAQ: How to solve the overscan problem with my monitor?
1. Here are the hardware requirements to play 3D content below. a. 3D ready projector b. 3D Blu-Ray player c. 3D content d. Active 3D glasses 144Hz e. HDMI Premium Certificate cable 2. Here is the playback process below. a. Connect the 3D Blu-Ray player to the 3D capable projector via HDMI cable. b. T...
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...
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.
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.
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...
Please do the following check: Make sure there are no obstructions in the way of the IR receiver on the device. Move closer to the receiver (within 23 feet) or change the angle (within 30 degrees) to the receiver. Replace the batteries. Even if lights on the remote control are on, weak batteries may still cause the remote control to oper...
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.