Herobook not power on

hello to all user , today power on of the chuwi and not power on,
dissasembly disconect the batery , and plug charger and not power on, only red light
conect batery same problem

i need bios bin file

motherboard is a in SE115C_VD3

model cwi514
s/n herobook64g191109471


Same problem with my unit. After my wife used it to watch a youtube video. She properly turned it off and charged it. When she turned it on again, it did not power on.

What seemed to be the problem?