thank you hoaca388 ,
After a BIOS update, my Lenovo ThinkPad T14 Gen 4 has encountered an issue. Following the update, the computer is not booting properly. Only one LED is blinking, and the screen remains black. Below are the required details for the repair or BIOS replacement request:[LIST][*][B]Model[/B]: Lenovo ThinkPad T14 Gen 4[*][B]Serial Number / Service Tag[/B]: PF-4VR7V9[*][B]Motherboard[/B]: KT4D2/KP4D5/KT6D2/KP6D5 NM-F261 Rev:1.0[*][B]Issue[/B]: The computer is not booting after the BIOS update; only one LED blinks, and the screen stays black.[/LIST]​

• thank you hoaca388 ,
  

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Hello everyone, please, if anyone has the dump of the ThinkPad T14 Gen 4 Ryzen 7 (SN: PF-4VR7V9) with motherboard NM-F261 rev 1.0, Thank you!

Re: Lenovo carbon x1 NM-C881 REV1 Bios dump

hi gays please help me, I have a laptop Lenovo x1 carbon NM-C881 i7 with a password bios problem but I change bios dum with another bin file my device make 3 white led in the power button