According to the owner this laptop suddenly shuts-off while using. And she(teacher) smells like burning.
After disassembling the laptop I found out the burnt flex show in the image below.
After removing the burnt flex, the unit still dead. So I measure voltages, check burnt parts if ther's any by check the components one by one. And I found none.
The only thing I did to revive this laptop is to remove the bios battery and short the positive and negative terminal from the board for about 30 seconds.
After that, the unit comes to life! :)
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