will not connect to laptop

will not connect to laptop

I am trying to project a slideshow ive made for my recently deceased uncles memorial.. I have the black version of the projector. which as is stated, not identical, to this green one. but I cannot find a guide for it anywhere. I bought a rca to hdmi adapter. and it still does not connect to my laptop. I have until the 25th of January, 2020 to fix it. please help

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