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Hello, I have Lenovo Thinkpad T14s GEN 4 serial number GM-0FK2ER laptop. It was brought to me by a customer to reinstall windows. The problem is it is locked with a superviser password. Can anyone please give instructions on how to reset the bios or bypass the supervisor password? Thank you.

Hello.
I have Thinkpad T14S Gen 4 with supervisor password. I have CH314A programmer.
Motherboard NM-F221 with AMD processor.
SN: GM0RTV1A...

hello friends

some one help me with a password free dump or help unlock mine
i will be glad
thanks

Board number : JX3C5/JT4C5 NM-E422 rev 1.0
serial number: PF-45GN4Y
type number : 21CR- SOLSOO

locked dump attached...

BIOS is SVP locked
Motherboard NM-F221 REV 1.0
Nuvoton NPCX997KAABX
Is there a more budgety programmer that works well, and would I have to desolder the EC?
Any help is greatly appreciated, thanks!

Hello, I have one Lenovo T14 Gen 2 with a BIOS password and another identical one without a password. I have BIOS and EC programmers. Is there a way to unlock the password, or maybe I can read the EC from the unlocked one and flash it to the locked laptop? I also have two T14s Gen 2 units with BIOS passwords. Any help would be greatly appreciated.

I need remove password
Thinkpad T14s Gen 2
type 20WN-S10L00
s/n PC- 28A4XP ...

My apologies! I will do as advised.

Laptop name: Lenovo ThinkPad X1 Yoga Gen 4
SN: PF-1XWEMG
Motherboard: FX490 NM-B861 Rev 1.0

Can somebody please tell me if the MEC1663 chip is on the bottom side of the motherboard? Cannot find it on the top. The schematics can be found here:
https://www.badcaps.net/forum/troubl...32#post1680232

Should I expect to find something...

The password is stored in the EC. See here for a description how to delete it: https://www.badcaps.net/forum/troubl...ssword-removal

https://www.badcaps.net/forum/troubl...75#post3746375

https://www.badcaps.net/forum/troubl...assword-bypass

You would nneed to flash the EC firmware

Hello,

I own a Lenovo T14s Gen 4 notebook with an AMD processor. The notebook has a supervisor (BIOS) password. How can I remove this password and what do I need to do that? Could someone perhaps give me a step-by-step explanation of how I could do it?

Thank you in advance.

Beneti

Lenovo ThinkPad T14s
nm-c791 motherboard

Where is the password ec?

Here is all the info you should need to remove bios password from your same model or one with an MEC-Chip and also write back the config data

T14s - MEC-1663 - Jtag - Pinout - Bios Password Removal

See Diagram for Wiring.

Use MEC-1633#ISP on your RT809h
This is same Jtag pinout and method for T490S/X390
(But your R/W 10K Resistor Location May In a Different Location)


MEC-Chips Store Bios Password In a Secure Un-Editable Area

Following steps clear that secure area to re-initialize itself to default (Blank)
...

hi i have a Thinkpad t14s Gen 3 bios password

MEC1723-CB0
JT4B1 JX3B0 NM-E091 REV 1.0
SN PF-41TD6N

what bios or ec need to read for unlock ? thanks...

https://www.badcaps.net/search?q=T14...password%22%7D