Hi everyone,
I'm working on repairing my LG Gram 15Z980 (model: 15Z980-GA50ML), and I’m currently stuck. I’d really appreciate any advice or firmware help from the community.
My laptop condition:
Laptop is completely dead
Charging LED works: Blinks when battery is fully drained, Solid when charging normally
Power button has no effect (no fan spin, no lights, no activity)
Current Diagnosis:
Found two SPI flash chips on the motherboard:
Winbond 25Q80DVSIG (1MB)
MXIC MX25L6473E (8MB)
I dumped both chips using CH341A programmer.
The 8MB chip (BIOS) dump looks valid and uncorrupted – structure is fine.
The 1MB chip (likely EC firmware) looks suspicious:
Data seems mostly 00 and FF,
The rest appears random or incomplete.
I don't know if it's okay to post a broken EC rom here.
I suspect the EC ROM is corrupted. or
Is the other module broken?
Could anyone advise me on how to recover from this kind of situation?