The laptop shutdown during a firmware update.
I tried flashing two different firmware (BIOS and 1mb chip), but the problem persists.
It powers on, but there is no display.
I suspect it might be the MEC firmware, but I can't find the correct version for this model.
With this BIOS, no power.
The original power, but no image.
edit:
This lenovo have same board, but other gen.
X1 Carbon 8th Gen - (Type 20U9, 20UA) Laptop (ThinkPad) - Type 20U9
MB: GX490 NM-C661 REV 1.0
10th GEN Intel cpu
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