Parts ordered.. At ACoLab (local FabLab), there is an hot air station to replace it. (And to check mosfet out of the PCB mcplslg123 )...

Yep, on this MB, there is 2 couples of mosfet





PQ301 and PQ309 : AON6426 (30V / 65A)
PQ303 and PQ310 : EMB12N03H (30V / 25A)


​


I've already seen (quickly) the sticked subject, but the chapter '2.2 battery not charging' is not really applicable... BTW, in the previous chapter, 2.1.3 something is really near my own case..

And so, I think you give me the good next step !!

Without battery and with no power supply, (with a very cheap multimeter) I get :

for PQ303/310...

Hello from France

My daughter spill some water on her laptop... Lenovo Ideapad Gaming 3 15ACH6, and she doesn't seen anything wrong after just remove the water with towel.

Then, later the laptop won't start anymore.

I've made a basic troubleshoot with my own laptop (same series)

So, the computer battery is totaly out. With my battery, the computer works !

But, with PSU connected, the latptop detect the power.. the harware led white is on, the amber one too and on the screen there is a 'batt charging' message.

But...

Good rules !!
Can be applied to a lot of situation.

A short way is : use you brain 😂

Hello team !!

not yet in the oldman team, but doing some electronics since a very long time..

I'm looking for some help to fix a Lenovo IdeaPad 3 15ACH6 : Laptop is working, white PSU connected the 'power' led is on but there is no power throught the mosfet..

I'll check for some documentation, and if required I'll open a thread for it.