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Ask lenovo gs454/gs554 rev 1.0 nm-d031 repair bios please

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Hello no display still... Please tell me ...Can you send me another BIOS and it dims but there is no content?
 
 
Device: LAPTOP
Brand: Lenovo
Device model: Idea Slim 3 14IIL05
Board Model: GS454/GS554/GV450/GV550 NM-D031 REV 1.0

REQUEST: Badly needed a boardview and schematic thank you in advance.
 
Device: LAPTOP
Brand: Lenovo
Device model: Idea Slim 3 14IIL05
Board Model: GS454/GS554/GV450/GV550 NM-D031 REV 1.0

REQUEST: Badly needed a boardview and schematic thank you in advance.
 
Device model: Idea Slim 3 14IIL05
Board Model: GS454/GS554/GV450/GV550 NM-D031 REV 1.0
do you also have the EC bin file for this one? thank you
 
in link have all
Why don't you know how to check yourself when asking??
I already got both board and schem before I ask FYI, however, when I tried the EC bin file I downloaded here, Laptop doesn't even turn on so I reflash my backup bin and the laptop turns on without any led indicators, so there's still a problem on the SIO firmware, so I wonder if you have other EC bin file for this one or maybe you could help me repair my file, thank you for understanding.
 

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ITEBIOS.bin
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