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Why does the projector not respond to any command when powering on or turning off?
How to resolve the "Illegal Format" message that popped up when I was inputting RS232 commands?
Which reminder messages will stop being displayed after "Reminder Message" is switched off?
Can I control the BenQ projector with a remote control designed by other manufacturers?
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?
How do I use a RS232 cable to control the volume and sound on the projector?
How do I use a RS232 cable to power on or power off the projector?
How do I clean my projector lens?
How to change the lamp and reset the lamp timer?
How do I mute the projector?
Can I leave my projector turned on 24/7?
Can I push web multimedia content from Android or iPhone to QCast? What kinds of apps can support this pushing function?
Can I use mirror my screen from my Windows 8.1 tablet?
Does BenQ QCast support Windows phones?
Does QCast support BenQ tapN’show Android Apps?
How to clean the lens?
May I use QPresenter in my mobile phone?
Please don't place the projector in any of the following environments.
The lamp is not on but the fan remains running, what is happening?
Why is there slight scent of burning or plastic smell when using projectors？
Why I cannot use PointDraw on my ChromeBook?
Which Android device or the minimum required Android version is supported by BenQ QCast function?
What screen resolution does QCast support?
What is LAN Web Control?
Can I change the projector lamp myself?
Projection is rather blurry, what can I do?
The eco mode is much darker than SmartEco mode. Is it normal?
Why I am operating the Miracast function, the display screen show PIN code verification?
Why my QCast didn’t power on when I use the USB Type A as power supply from TV/Projector?
Why the keystone value can not be saved after turning off the projector?
My remote control is not working. What can be done to fix it?
Why doesn't the projector accept content formatted in 3D?
Which 3D glasses are recommended for BenQ projectors with 3D features?
Which types of BenQ projectors require a power cycling process?