I believe that once it works and I have an error I have to determine what that error can be from. I would consider it possible to be a power supply as well.
I have an HP g5451sc PC with a Foxconn 2ABF motherboard. When I bought it it had the i3 2100 processor (socket 1155), these days I decided to upgrade it with an i5 2500k and the moment I start it with this processor before the windows open "unsupported cpu instaled Pc will automatically power...