hi
I have a lenovo z510 (nm-a181 rev:1.0 ) it shut down randomly when its plugin
but on battery it works good.

-i test it with original adapter.
- reprograming the bios and EC.
-i change the charge pwm.
but still the problem not solved.

Many people have this problem
(https://forums.lenovo.com/t5/Lenovo...- ... -p/1593806)

does any body know how to solve it ?
thanks

Say The Problem With Full Details

ahkh_72 проблема в кабеле DC_IN, который внутри ноутбука. Плохо обжаты контакты кабеля со стороны материнской платы.

Thanks Leo_vrn you are right , the problem solved.

I change the DC JACK .