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 light source, such as lamp or LED.

How to adjust the image size on a projector?

  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.

The AC adapter for the projector does not work

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...

What to do if there is high pitched noise coming from the projector?

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.

How to do when my screen doesn’t display native resolution after Windows 10 update?

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...

What is the Function of the "Music Mode" button on the M1 and M1+ Remote Control?

The button enables “Music Mode”, which allows users to keep playing music without projecting an image (i.e. like an MP3 player).

LS921WU is not recognized nor controlled through the web browser by PJ-link

Applicable models: LS600W, PG707X, PG707W, PG706HD, PG706WU, LS831WU, LS750WU, LS850WU, LS860WU, LS920WU, LS921WU, PX728-4K, PX748-4K Please make sure the below webpage password is set in ViewSonic Network control first due to SB-327 law requirement.   1. Enter the IP address of the projector in the address bar of your browser and press E...

How to solve the problem with my monitor turning off automatically?

Automatic shutdowns are often caused by power-saving settings, inconsistent power supply, or signal loss. Please check the OSD timer settings first. Troubleshooting Steps: Check OSD Menu Settings (Most Common): Navigate to the [Setup Menu]. Locate [Auto Power Off] or [Sleep Timer] and ensure they are set to [Off]. Also, verify ...

What to do if "No Signal" appears on the ViewBoard while connecting an external device (HDMI, USB-C, or PC)?

Step 1: Confirm correct input source on the ViewBoard (IFP) Press the [Input Source] button on the IFP remote or touch menu. Select the matching input (e.g., HDMI1 / USB-C / VGA). Wait 5–10 seconds for the screen to detect input. Step 2: Check your cable and connection type Try another HDMI, USB-C, or VGA cable. If using USB-C...

[20250613] Privacy Policy

[20250613] Privacy Policy Copyright © 2025 ViewSonic Corporation. All rights reserved. Last updated on June 13, 2025   Table of Contents   Table of Contents. 1 1. Introduction. 1 2. Your Data Subject  Rights. 3 3. Collection of General  Information. 4 4. Contact 6 5. Document Downloads via  Google Drive. 8 6. Download of ClassSwift ...