Mac mini 2,1 won't turn on

Hi Guys,
i have a really big problem with my mac mini.
It won't turn on.
I don't think it can be the power brick as I can get the mini to start up by holding down the power button whilst plugging it in.
This is the incorrect SMC reset procedure and I get fans runnning top speed and no LED light.
When i startet with this method, everything works.
Ah ups i forgot:
I have all resets done!
NVRAM
SMC (and by reset switch)
New Battery
Bought a new power adapter
etc

Hi,
Witch power adapter you bought ?
I have the same problem i bought a 85w pwer adapter and my Mac mini don't work anymore and i replace it buy a 110w and it works fine .
Probably you are in the same case.
BR

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