Replaced screen, now it powers off after a second.

I have a Switch that was dropped and the LCD was clearly damaged. I replaced the screen, but when I tested it, it came on for a few seconds and then went blank. I tried a new screen and I tried charging the battery. Any ideas?

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And you've confirmed that the switch isn't turning on at all (The fan isn't spinning, or the content isn't displaying to an external display)?

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The fan never spins. I have not confirmed the external display.

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