If the BenQ HT2050A projector can’t detect 3D signals, you can refer to the following solutions for troubleshooting.
1. If the source gives the correct 3D information to the BenQ HT2050A projector, the projector will switch to 3D automatically.
If your source is from PC or steaming content, please select the correct 3D format via OSD Display > 3D > 3D mode.
2. Check the user manual and make sure that the resolution of your content supports 3D.
3. Press the DLP Link button on your 3D glasses to resync the projector and 3D glasses.
4. Please try to change the HDMI EDID setting to Standard.
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