Hp laptop charging problem

[ahmarzo]

Have hp laptop motherboard part no opp 17 diner skl/kbl 15289-2 with charging problem.the laptop shows plug in charging but percentage doen not increases.the schematic or boardview is not available.

Charging ic is bq737 with voltages on pin no
1&2 -19v
34&5 -0v
6 -2.56 v
7- 0v
8&9 -3.15v
10 -0v
11 -0.18v
12 & 13 -13v
14&15 -0v
16 -6v
17;18&19 -13v
20 - 19v

Voltages on battery connector are
1&2. -13v
3&4 -3.14 v
5&6 -0v
8&9 are ground

Have changed first and second p channel mosfets
Discharging MOSFET is also ok
The battery is charging fine on another laptop.
Have also changed the dc cable.

Please help

[mon2]

Is the power adapter the proper rating for this laptop? If not, charging will halt and the cpu speed will be throttled.

Is the battery the original and for use with this model?

[mon2]

Does the laptop turn on without the battery?

The measurements are showing no current draw with the adapter.

http://www.rock-e.ca/?r=77975611