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Why is there a high-pitched noise or buzzing from my projector?

Slight humming is often normal for 4K models due to XPR technology. For other noises, check fan settings and power stability. Identify Normal XPR Noise (4K Models): 4K UHD projectors use XPR pixel-shifting technology, which produces a subtle high-pitched hum during operation. This is normal and not a defect. Adjust Fan Settings: Go to ...

Android mobile phones are unable to mirror cast via Google Home App.

Recently we've noticed an incompatibility issue between some ViewSonic smart projectors and Google Home App with the latest update. Some users might not see ViewSonic projectors on the device list when trying to mirror cast their Android mobile phone to ViewSonic projectors via Google Home App.  We are aware of this issue and currently workin...

There is no video when using HDMI port

If you are experiencing problems using HDMI input: Confirm the HDMI input is selected. Plug in the projector first, and then turn on the PC. Replace the HDMI cable, sometimes a cable may go bad. Try another signal type if available for example: VGA, DVI, DisplayPort. Test the projector on a different computer with a HDMI port to make sure...

How to set up dual projectors on a Windows computer?

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...

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 solve a flickering image on the projector?

Image flickering is mostly caused by loose cables or the Eco Mode settings. Follow these quick steps to resolve it. Secure Physical Connections: Unplug and re-plug the HDMI / VGA cable. Ensure the connection is firm. Try a different cable to rule out internal wire damage. Change Lamp Mode (Top Solution): Go to [Settings]...

Why am I unable to do wireless casting from my laptop via PJ-WPD-700?

For wireless casting via PJ-WPD-700, it's necessary to connect to an USB-C port of laptop/desktop which supports DP Alt mode (DisplayPort Alternative Mode on USB-C). USB Type C refers to the connector type, but not the capability of the port itself. Also, not all USB Type C ports support video output (Video over USB Type C). USB-C ports...

What is the duration of Security Update Support for ViewSonic Consumer Projectors?

ViewSonic will offer security update support to the following consumer projector products in compliance with the UK’s Consumer Connectable Product Security Regime and the Australian Cyber Security Act 2024 until the dates specified below. Product End of Support PX749-4K/ VS19349/ CPB414K/ HC4K41/   T4K41/ K414K/ V414K/ PX749-4KE/ PX74...

Why doesn't the "Auto Keystone" feature work on the M1 and M1+?

Ensure the Auto Keystone feature is “ON”  1. Go to Settings > Image Settings > Auto Keystone  2. Press < or > to select: ON: Automatically adjusts the Keystone number.  OFF: Manually adjusts the Keystone number.   Auto Keystone can be turned off by pressing the Up or Down buttons on the remote control. This will turn Auto K...

What to do if I can't mirror my screen after I updated the iOS version to iOS14?

Due to iOS14 compatibility issues, please follow below table for solution.   Model Solution X100-4K Install EAirPlay.apk and follow instruction X10-4K Update FW to V1.13 via OTA M2 Update FW to V1.0 via OTA M1+_G2/M1+_V Update FW to V1.04 via OTA M1 mini plus Update FW to V1.02 via OTA SOP URL: https://support.viewsonic.com/hel...

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