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Intel I5 - 1335U
16 GB RAM
Type 21F2
​Board LCFC KX3B0 KX3D1 NM-E812 Rev: 1.0

Read from a working device.
I unsoldered two large chips for reading.
I read the third one without removing it from the board.
I read each chip 3 times and the dumps matched (I didn't write the firmware to the chips again for checking).​
​...

Hello guys,

Lenovo ThinkPad X13 Yoga Gen 4 (21F3 - S04J00)
SN: PF4EAHH3
MB: KX3B0/KX3D1 NM-E812 Rev: 1.0

Somebody was able to remove the password ?...

Hello guys,

It is possible to remove the BIOS Supervisor password from Lenovo ThinkPad X13 Yoga Gen 4 (21F3 - S04J00) ?
PF4EBQNG
KX3B0 KX3D1 NM-E812 Rev: 1.0

Thanks!
best regards

Lenovo X13 Yoga Gen 3 (Type 21AW 21AX) Laptop (ThinkPad) - Type 21AW
Lenovo ThinkPad X13 Yoga Gen 3 (Type 21AW, 21AX)
Machine Type Model 21AW0043IV
BIOS Version 1.23 (R1ZET56W)
WinKey/3180000-318FFFF...

I need me clean of lenovo thinkpad x13 yoga gen3 LLX-2 MB 213016-1 448. 0QM05. 0011

Hi, I think you mean NM-E812. Also, Read Post #'9 and Post the Serial Number
> https://www.badcaps.net/forum/troubl...54#post3695454...

lenovo thinkpad x13 yoga gen4
motherboard: nm-812 rev 1.0 Has anyone managed to remove the password? I have a Vertyanov JIG programmer, can I do this? I don't have the exact same motherboard listed.

Hello everyone,

I need help removing the supervisor password for a Lenovo ThinkPad X13 Yoga Gen 1 laptop (10th Gen Intel).

• Model: ThinkPad X13 Yoga Gen 1
• MTM: 20SYS02J00
• S/N: R90ZRW40

I have attached the ZIP file with the original, untouched dump.

Could someone please help me clean/patch this file?

Thank you in advance!...

Hey, thanks for taking the time.
Resistance on the last inductor to the CPU is exactly 15.8Ohms. But when i switch probes it reads 19.9Ohms. Maybe it's my cheap-o meter.

I don't have a variable power supply right now, so I can't inject power, unless I do some sketchy stuff with some batteries. 🤔

Thanks for the alcohol mention, I've been looking for 99% alcohol everywhere. Going to Costco tomorrow.

I've been waiting to make time and remove the PD controller and inductor to check where the short lies....

I keep tracing this short around, I am at a loss. Now I found shorted components near the CPU inductors.

15V rail seems to be fine tho.
Hopefully its a single shorted component, but IDK. This close to the CPU makes me worried. Don't know what else to think....

LENOVO THINKPAD YOGA X13 GEN 4
COMPLIANCE ID:TP00146A
FACTORY ID:JVHFC1
KX3B0/KX3D1
NM-E812 REV:0.2

Attached is the original wson8 64mb dump file, can someone help to fix this bios please, no display , already check for shorts no shorts on board...

I would like to let you know that I have successfully carried this out on the following device:
ThinkPad X13 Yoga Gen 1
20SY-S4JC00
LBB-2 MB 19733-1
UEFI BIOS N2UET474W (1.27)
EC FW: N2UHT27W (1.10)

I have soldered a micro switch with thin isolated copper wires between R1854 (LPC_AD_CPU_P0) and GND. The resistor can be found in the area between Wifi module and CPU (see boardview).
After the Lenovo boot logo appeared I have pressed the button until error messages are shown on the screen. Then (as shown in the videos) supervisor password is disabled,...

Hello, can someone help me to remove the Supervisor Password from this dump?
Lenovo Thinkpad Yoga X13 Gen1
LBB-2 MB/ 19733-1 (448.0JH02.011)
MX25L25673G
S/N R9-12FJB6...

hello freind can you help me to repair a corrupted bios please

LENOVO ThinkPad X13 YOGA GEN2 LLX-1 MB 203015-1 448.0MC05.0011

the bios work but it showing me region recovery and it start recovering but after finish it say failed to recovery and its restarting withe the same error

seriel number:: R914W7AV

TYPE::20W8-003JFR...

Hello everyone,

I need help removing the autopilot for a Lenovo ThinkPad X13 Yoga Gen 1 laptop (10th Gen Intel).

• Model: ThinkPad X13 Yoga Gen 1
• MTM: 20SX-0000UK
• S/N: R90Y759T

...

Hi everyone,

I have a

Lenovo ThinkPad X13 Yoga Gen 3

S/N: [PW-042W7M]

Type Number: [21AXS1B200]

Motherboard: [LLX-2 MB 213016-SB]

Bios is locked with a Password. I'm looking for a cleared bios bin to flash the laptop.

I attached my backup bios.

Thanks in advance......

Hello everyone,
I need help clearing the supervisor BIOS password for my Lenovo ThinkPad.
Here are the exact device details:

• Laptop Model: Lenovo ThinkPad X13 Yoga Gen 3 (Type 21AX)
• CPU: Intel Core i5 vPro (12th Gen)
• Laptop Serial Number (S/N): [PW03JBL2]
• BIOS Chip: Winbond W25Q512JV (64MB)

I have attached the original 100% verified double-dump bin file (.zip format). I tested it with fc /b and it's a clean read.
Thank you in advance for your time and support!...

Hi, Your backup was corrupted. Write this file to the GD25B256E chip only (do NOT touch the other one)

Lenovo X13 Yoga Gen 2 (Type 20W8, 20W9) Laptop (ThinkPad) - Type 20W8
Machine Type Model 20W80017MH
BIOs Version 1.50 (N39ET71W)
WinKey/1320000-132FFFF...

Hi everyone...I have a Lenovo ThinkPad x13 yoga gen 1....The issue is it just shows "Configuration changed - restart system" then shuts down.... can anyone help me fix this bios file kindly...
MB no: lbb-2 mb 19733-1
S/N: R914S5B8
MTM: 20SYS08Y00...

Hi,

I didn't find a request for this specific SKU yet, but... I need the bios password removed from it.
(The tamper protection triggered randomly one day)

Here's as much info as possible about it:
- ThinkPad X13 Yoga Gen 1 (Type 20SX)
- SN R90YLACQ
- Model 20SX002XGE
- CPU 10th Generation Intel® Core™ i7-10510U
- Lenovo-Support page for convenience

And here are what should be valid EC and BIOS dumps (from an external reader)...

"Hello guys, good afternoon. I urgently need help with my Lenovo ThinkPad X13 Yoga Gen 2 regarding the BIOS and EC (Embedded Controller). The firmware is corrupted/damaged, and the laptop is currently bricked (used as a paperweight). Can you please help me? I will provide the exact details: Model: LENOVO ThinkPad X13 Yoga Gen 2 with 11th Gen i5
Machine Type Model (MTM): 20W9S08V00 - NB TP X13 Yoga G2 I5 8G 256G 10P
Equipment Serial Number (S/N): PW01FP2W"

The screen stays black, and the fan turns on, but then it shuts down after a while, and there is no disp...

please dump BIOS

LLX-1 MB
203015-1
448 0MC05 001

ATTACH BELOW IS BACKUP FILE

thank you in advance​...

Info for error 2202 LenovoThinkPad models and type

Extract from ThinkPad Maintenance Utilities Configuration File
plnsrv.ini Version 1.01


Some information that may be useful




There must also be missing models, add them to the list if you know of any.

...

This specification for the Lenovo ThinkPad X13 Yoga Hybrid (2-in-1) can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the X13 Yoga boardview and X13 Yoga schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download...