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I have a Mac mini 2011 A1347 that wont turn on, not even the fan. I tested the power supply and it was giving the correct voltage, the cable connecting the psu to the mb was broken so I bought a new one and still nothing, any idea?

I THINK its the motherboard,From what you said i think it is,If the power supply wasn’t the problem.Part: Mac mini A1347 (Mid 2011) 2.0 GHz Logic Board or Mac mini A1347 (Mid 2011) 2.7 GHz Logic Board or Mac mini A1347 (Mid 2011) 2.5 GHz Logic Board Guide: Mac mini Mid 2011 Logic Board Replacement