TK850i FAQ

I cannot double-tap or scroll through BenQ Smart Control. How can I fix it?

How can I connect the projector to public Wi-Fi such as hotels, airports, schools and hospitals?

How can I apply Dolby ATMOS, Dolby Digital, and Dolby Digital plus on my projector?

Can I use the Android TV stick to watch Netflix?

How can I mirror Android/ iOS/ MacOS devices with the BenQ Android TV dongle?

How to check the firmware version of Android TV dongle?

Can I use the Android TV dongle as a hotspot for screen mirroring?

How can I pair the BenQ Android TV stick with its remote?

How can I enable developer mode on Android TV and Google TV?

Can I use VLC from Google Play store to read files from a USB drive connected to my projector?

How to get the update info through BenQ Notification on my Android TV?

Android TV cannot connect to Wi-Fi. How can I fix this problem?

Flickering occurs when Dynamic Iris is enabled on my projector, what can I do to fix it?

Can I use the projector to watch Netflix?

No audio from my Bluetooth speaker when it is connected to my projector for video from HDMI wire. How can I fix it?

How to connect my external Bluetooth audio device with the projector? Would there be any audio lag?

Why does the 4K DLP Technology produce a slight high frequency noise?

How can I delete or force stop apps on Android TV?

I can use BenQ Smart Control with a smartphone hotspot, but doesn't work with regular Wi-Fi. What can I do about that?

How can I fix the green screen that appears together with the BenQ logo when turning the device on?

How can I play media files with the Chrome browser plugin when casting a Chrome browser tab from my computer?

Can I control the projector with a smart phone?

Can I use voice control on the projector through Google Assistant?

There's no audio output from my speakers when connected to the projector using ARC/eARC on projector. How can I fix this?

What media platform does the Android TV dongle support?

There's no sound when I change audio to 5.1 channel or other sound settings on Android TV dongle. How can I fix that?

Can I control my projector with a mobile device via the Google Home app?

How can I use the BenQ Smart control app?

When I connect my projector with a Bluetooth speaker, there is a lip sync problem. How can I fix it?

Does the Android TV stick support Disney Plus?

I have switched on 4K Motion Enhancer, but motion judder seems the same. How can I fix it?

Does the Android TV dongle support Fast Roaming?

Does the Android TV dongle support WPA3?

Can I use the PlayStation 5 (PS5) with BenQ projectors?

Is Xbox Series X compatible with BenQ projectors?

Why the yellow in the picture seems dull and orange-brownish? What can I do to fix it?

How can I install Apps Manager on the QS01 dongle?

How do I install the Android TV dongle?

What is DLP 4K UHD Technology?

How can I apply the bi-directional CEC function on the projector?

Why is some of the color only looks different with monitor output in high-brightness model?

3D is not working or getting lost sync on my projector. How can I fix it?

Apps sometimes quit unexpectedly on my Android TV and the system crashes to the home screen. How can I fix this?

How to set up HDR on my projector?

My projector is turned on without an image even if it is connected to my player. How can I fix it?

What HDMI cable version is compatible with 4K HDR?

The projector gets hot in standby mode. How can I fix that?

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?

Is there a projector that supports Blu-ray 3D movie viewing with Passive Polarized Glasses, like on my TV?

I cannot use the Android TV dongle's remote control to control Android TV system or my projector? How can I fix it?

How can I fix the image curve that appears in the top part of the projected image?

How can I update the Android TV dongle firmware?

What is the Maximum length of HDMI cable I can use?

How many pairs of 3D glasses can BenQ projectors sync with at once?

How should I choose a projection screen?

For projectors that use an anamorphic lens, there are Anamorphic 2.4:1/Anamorphic 16:9 options in the Aspect Ratio setting. May I know what they are for?

What is keystone correction?

How do I plug the SPDIF audio cable into the SPDIF connector?

Can I change the projector lamp myself?

How long is the suggested working time for models which light source is UHP lamp?

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?

Why is there slight scent of burning or plastic smell when using projectors？

Why I cannot use PointDraw on my ChromeBook?

What is LAN Web Control?

Projection is rather blurry, what can I do?

The eco mode is much darker than SmartEco mode. Is it normal?

Why the keystone value can not be saved after turning off the projector?

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TK850i

User Manuals

FAQ

Video

Software & Driver

Warranty