That's a very specific query. You're looking for a Boardview file (.brd, .cad, .fz) for a logic board bearing the silkscreen codes:
For the J MV4, expect one of these formats: hannstar j mv4 94v0 e89382 boardview top
Technicians report that without the boardview, replacing the EEPROM is a guess—but with it, you find a test point labeled "TP_VREF" that tells you if the reference voltage is correct. That's a very specific query
Hannstar J MV-4 94V-0 E89382 (also known as the DA0EL2MB6D0 ) is a common motherboard used in legacy laptops like the Lenovo IdeaPad Y510 and certain Dell Latitude Voltage Regulation (VRM): The CPU power supply is
BIOS Corruption: A common reason these boards suddenly "fall asleep" and won't wake up without a chip reprogrammer.