BIOS X1 Carbon 7th Gen - (Type 20R1, 20R2) Laptop (ThinkPad) NM-C661 REV 1.0

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X1 Carbon 7th Gen - (Type 20R1, 20R2) Laptop (ThinkPad) NM-C661 REV 1.0
X1 Carbon 7th Gen - (Type 20R1, 20R2) Laptop (ThinkPad) - Type 20R1 ( N2QET40W )
NM-C661.pdf
NM-C661 BOT.pdf
LENOVO_THINKPAD_X1_YOGA_GEN5_LCFC_NM-C661 photo

 

[Ptelemoveis]

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

The problem its the EC firmware MEC1663. you have a file to replace?