I gave up after turning it on once. It will also turn itself off occasionally, which I understand is standard for tech like this if the device detects a problem.
Optoma UHD60 4K Projector - White
Optoma UHZ65 4k projector
Optoma UHZ65 4k Projector
Optoma uhd65 4k projector Black
Optoma ES526 DLP Projector with Optoma Bag and Remote