Why is my Mac mini not power on

My 2009 mac mini won't power on even when it connects to power.

Update (07/24/24)

I just got one yesterday and the fans don’t power on

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Do you hear the fan running? It’s likely the power brick has failed. Do you have access to a second one?

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No the fans don’t power on and just got one 3 days go I think it the Motherboard

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@dingus3444 - So you have tried a second power brick?

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No not yet :(

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