When you see below situation, please follow below instructions to adjust: If the projector supports Auto Keystone or Vertical keystone, please try to turn on or manually adjust by referring to user guide. If possible, put the projector on the flat surface and make sure projector lens and screen are in a 90-degree angle.
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...
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.
Make sure that you have set it to its native resolution. Check the user guide to determine what the native resolution of the display is and set it to the native resolution if the video source that is being used can support it. Digital signals (HDMI, DisplayPort) normally produce sharper images. If you are using a VGA or analog signal try to s...
Please refer to this FAQ: What to do if there is no sound from the monitor’s speakers when connected with PC/laptop?
Please refer to this FAQ.
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 see the table below: Supported Size (Max. Size) NTFS Format FAT32 Format Read Write Read Write USB Memory Stick 256 GB V N/A V V USB HDD 2 TB V N/A V V Micro SD 256 GB V N/A V V Note: 1. Windows 10 built-in format tool only supports FAT32 format up to 32 GB. 2. Firmware upgrade only supports FAT32 format.
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 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...