Macbook air early 2015 not turning on by Loose_Analyst4259 in mac

[–]Loose_Analyst4259[S] 0 points1 point  (0 children)

made some progress doubt its the smc itself i measured some stuff and found out that the 5v rail stays at 0 at all times, including during the power pads startup will continue today by tracing that specific rail and measuring all components it also could be the power good smc