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General Questions

How to Install an All-in-One Interactive Projector like PS750W
Please refer to the video in YouTube as below link.
Thu, 13 May, 2021 at 12:55 PM
How to setup dual projectors on a computer?
  Please refer to the FAQ below.   How to setup dual monitors on a computer?  
Tue, 27 Apr, 2021 at 3:46 PM
How to make the screen fit my projector's display area?
Please refer to this FAQ:   How to solve the overscan problem with my monitor?
Tue, 27 Apr, 2021 at 3:43 PM
Can I change the orientation of the projector when in use?
Please refer to user guide on page "Important Safety Instructions". Some projectors may be claimed to use at a limited angle dependent on the li...
Fri, 20 Apr, 2018 at 10:36 AM
What to do if there is no sound from the projector’s speakers when connected the PC/laptop to projector?
Please refer to this FAQ:   What to do if there is no sound from the monitor’s speakers when connected with PC/laptop?
Tue, 27 Apr, 2021 at 3:45 PM
Noisy Fan
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 proje...
Fri, 20 Apr, 2018 at 11:43 AM
Projector turns on initially but then cycles off
Projectors may shut off for a couple different reasons. If the projector over heats, check to see if there is enough ventilation for air to be circulat...
Fri, 20 Apr, 2018 at 11:48 AM
How to purchase a lens for a projector
Or browse to your projector model in the Projector Accessories section of the ViewSonic Store.  If a Long Throw lens is available for your projector, it wi...
Fri, 20 Apr, 2018 at 2:12 PM
Where can I find ViewSonic projector distance calculator?
Please go to Projector Distance Calculator. Enter the desired distance from the screen to calculate the image dimensions. Try different distance values u...
Sun, 16 May, 2021 at 5:36 PM
What to do if the image shows keystone effect from the projector?
When you see below situation, please follow below instructions to adjust:   If the projector supports Auto Keystone or Vertical keystone, please...
Sun, 16 May, 2021 at 10:14 AM