Lenovo g580
Prblm- not turning on
Action-
Open laptop board I see DCIN section CLR damage,
Change CLR and trigger board display come
But,
Major issue create-
Battery plug in charging but % not increase
Trace this prblm -
1st mosfet completely switching 🆗
2nd mosfet switching 👌
SDA,SCL path 👍
( battery connector - ic - io)
Battery sense resister ✅
Check voltage ,
SDA, SCL PATH (3.3V)👌
Then,
I check resistor value
SDA path resistor value ✅
SCL path resistor value not good🦸
Change SCL path resistor
Battery fill percentage
Prblm solved
👌👍