lenovo g50-45 charger not dictect

[akande]

i hav lenovo g5045 which doesnt charge when plug in adapter pc cannot power , but work fine with charged battery.
Little check done no luck---- pPU4 vin0v,adect 0v , acok 5v,vcc 19v, i change PU4 NO LUCK . i need assistance plz

[Techtiger]

Re: lenovo g50-45 charger not dictect

check Voltage
PQ6 pin (5.6.7.8) (4) (1.2.3) after with out all power test with multimeter diode mode Source Drain Gate
PQ7 pin (1.2.3) (4) (5.6.7.8) after with out all power test with multimeter diode mode Source Drain Gate
check Voltage PQ30B pin 5 and 3
check Voltage PQ29B pin 5 and 3
remove the jumper PJ2 test restence to GND bouth sides of the Jumper