Hey i m repairing dell laptop board part no la-d071p
firstly found core ic shorted to ground with no power poard so i replaced core chip "pu602" after board power it on but with no display and fan runing very fast continew
present voltages
al 19v
al 3.3
al 5
ram suply 1.3
graphic supplu 1.3
on core i found 0.4
i m new with little bit exprience i don't know what to do next...??
firstly found core ic shorted to ground with no power poard so i replaced core chip "pu602" after board power it on but with no display and fan runing very fast continew
present voltages
al 19v
al 3.3
al 5
ram suply 1.3
graphic supplu 1.3
on core i found 0.4
i m new with little bit exprience i don't know what to do next...??