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I can hear sound, but the screen always goes blank when connecting my mobile device to the projector using a cable or adapter and trying to stream content from Netflix, Disney+, Hulu, and others. How can I fix this?
The projector does not detect 4K, how can I fix this?
How do I plug the SPDIF audio cable into the SPDIF connector?
I cannot use the Android TV dongle's remote control to control Android TV system or my projector? How can I fix it?
Is there a projector that supports Blu-ray 3D movie viewing with Passive Polarized Glasses, like on my TV?
What can I do if my projection screen shrinks when Duplicate Mode is applied in Windows?
How can I fix the image curve that appears in the top part of the projected image?
How to resolve the message "Out of Range" or "No signal" displayed on a blank screen when connecting the projector to input source devices?
What is the Maximum length of HDMI cable I can use?
What is keystone correction?
Why can't the projector detect 3D signal?
How long is the suggested working time for models which light source is UHP lamp?
How do I mute the projector?
Why can’t I use a QR code to log in to the AMS system when the projector is turned on?
How do I clean my projector lens?
Which types of BenQ projectors require a power cycling process?
Does the projector support changing slides on PowerPoint using a remote which emulates page up and page down commands for both Windows PC and MacOS?
Can I change the projector lamp myself?
Can I control the BenQ projector with a remote control designed by other manufacturers?
Which reminder messages will stop being displayed after "Reminder Message" is switched off?
Which 3D glasses are recommended for BenQ projectors with 3D features?
Why does the projector not respond to any command when powering on or turning off?
Please don't place the projector in any of the following environments.
How to clean the lens?
The lamp is not on but the fan remains running, what is happening?
What is LAN Web Control?
Why I cannot use PointDraw on my ChromeBook?
Why is there slight scent of burning or plastic smell when using projectors？
Why the keystone value can not be saved after turning off the projector?
The eco mode is much darker than SmartEco mode. Is it normal?
Projection is rather blurry, what can I do?