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HP Pro Mini 400 G9 PC (4G4N7AV)

Hello, 

 

I have a Pro Mini 400 G9 which is not posting. 

Upon plugging in power and powering on the power button will light up for a couple seconds and then turn off. 

Afterwards no response apart from the white light next to the power button while pressing it. 

Is there anything i can do?

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