Reply to thread

Message: <blockquote data-quote="alpina" data-source="post: 1650100" data-attributes="member: 347838">Your spot on with this it dose the same thing with the old power supply, but I replaced it just as a matter of course to discount a PSU issue , as you know the only thing that it can be is a faulty mobo, You never get the full history of Machines, why people are vague I don't know, you try and get as much info from them as you canWhat I've found is that somewhere on the board, its not sending the signal to start when the Power button is pressed, this I thought was when the SMC came into effect, the strange looking area that's in the image is not to far away from the SMC chip and all its surface mounted components, As you said this could have been a underlying problem from way back and is finally put a nail in the coffin (so to speak) of this area of the  Logic board that controls the power on</blockquote>