hi need help, LENOVO E15 GEN 4.
PF-3YWK8S
21E6-005FSP
JE442/JE542 REV 1.0
Bios seems to be changed because flux and solder remains, maybe need new bios or clean bios.
Charger + batery: charger detected, batery led turns on orange, press turn on button and it lights, few seconds and turns off...