hi friends
i have hp EliteBook 8470p with power problem
mb 6050a2470001-mb-a03
at first when i connect ac adapter the machine start automatically with out press power button and display normally without sound in windows
but after i removed rtc battery when i connect ac adapter the machine start automatically then turn off after abut 20 second without display
power sw151 ON_OFF# 0.5v
r101 100k ok
pin1 3.3v ok
pin2 0.5v
u300
PWRBTN_1126# pin73 0.5v
pin4 0v
help please
i have hp EliteBook 8470p with power problem
mb 6050a2470001-mb-a03
at first when i connect ac adapter the machine start automatically with out press power button and display normally without sound in windows
but after i removed rtc battery when i connect ac adapter the machine start automatically then turn off after abut 20 second without display
power sw151 ON_OFF# 0.5v
r101 100k ok
pin1 3.3v ok
pin2 0.5v
u300
PWRBTN_1126# pin73 0.5v
pin4 0v
help please