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...
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...
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.
There are some possible reasons caused, please check below first: <Airflow> Air Flow is important for cooling: Please make sure the intake and exhaust vents are free from obstruction. Make sure the projector is not enclosed or right against a wall - it needs ventilation space. Don’t place the projector on top of other electr...
On some projector models, the fan will remain on after the unit has been shut down and in standby mode. This is normal operation for any model with the network feature that had been enabled. The feature can be disabled by selecting Menu>Option>Network > Off. If the Network feature is enabled then expect the fan to remain on at a lower speed w...
After replacing the Projector Lamp, resetting the lamp timer is highly recommended to help keep track of how long the lamp has been on. The Lamp Timer will also let you know when the lamp needs to be replaced. The Lamp timer can be found in the projector Menu. The specific location of the timer can be found in different locations depending ...
Please refer to this FAQ: How to solve the overscan problem with my monitor?
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...
Before connecting two projectors to your Windows PC/laptop, please ensure your system can run multiple video outputs. 1. To check your graphics card's maximum number of output signals, please refer to the graphics card manufacturer like the example below. Dedicate Graphics Card Integrate Graphics Card 2. Make sure your devi...
Please connect the projector to a different AC outlet. Connect the projector to another computer/player. In case above crosscheck remains the same result, please contact ViewSonic service center.