replace cpu trouble

i5-4460 upgraded to i7-4790 asrock h97m-itx motherboard 16gb crucial ballistix 1866mhz memory (I run it at 1600mhz) evga 500w 80+ psu rx 580 8gb I was upgrading my CPU today with a CPU that was confirmed to work, it was showed to me working, then I took it home. I did the standard, turn pc off...