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Lamp for PX9210 / PU9220 / PU9220+

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How can I avoid the DLP Link signal getting lost sync when watching the Blue-Ray 3D video?
How to resolve the message "Out of Range" or "No signal" displayed on a blank screen when connecting the projector to input source devices?
Apps sometimes quit unexpectedly on my Android TV and the system crashes to the home screen. How can I fix this?
The color depth in the OSD menu is incorrect, how can I fix this?
Does the projector support Dolby TrueHD 7.1 format via ARC/eARC?
3D is not working on my projector. How can I fix it?
My projector can't detect HDR. How can I fix that?
What HDMI cable version is compatible with 4K HDR?
How do I clean my projector lens?
What is keystone correction?
How to replace the projector lamp and reset the lamp timer?
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?
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?
How can I fix the image curve that appears in the top part of the projected image?
What is the Maximum length of HDMI cable I can use?
How long is the suggested working time for models which light source is UHP lamp?
How many pairs of 3D glasses can BenQ projectors sync with at once?
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?
Why can’t I use a QR code to log in to the AMS system when the projector is turned on?
Which types of BenQ projectors require a power cycling process?
How to change the lamp and reset the lamp timer?
How to change the lamp and reset the lamp timer?
Can I change the projector lamp myself?
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?
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