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HOW TO REMOVE BIOS PASSWORD NM-C421 THINKPAD E14 LAPTOP...

Hello,

I would need to clean out the password from this dump.
I already saw in the forum that writing some zeroes starting from 0x3EF00 could do the trick, but just to be sure that I don't clear anything (MAC,..) unless absolutely necessary, I would appreciate you help!

thank you!

For the search engines:
Mainboard nm-c421, chip IT8227E-256
EC was dumped with SAS Jig (ioprogrammer). The 6.x firmware on the programmer only reads 128kB. On the homepage there is a March 2023 4.1 special edition rar, which flashes an 8.x firmware to...

[MOD EDIT] - Renamed thread title to include E15

Hi
Please unlock this EC file. It has bios password inside.
Thank you...

[QUOTE=moshu;n3687981]hi all,

I have a Lenovo E15 Gen1 with Bios Password. Please help to remove.
SN: PF2MFBRZ
Type 20RD0011UK
NM-C421


I've managed to read the IT8227E and attached the image.
Please help to remove the password...

hi all,

I have a Lenovo E15 Gen1 with Bios Password. Please help to remove.
SN: PF2MFBRZ
Type 20RD0011UK
NM-C421

I read U2101 and attached here.
I've used Lenovo autopatcher but it takes long to generate the image and is the same as the original...

Thankyou , Worked For My E15 NM-C421. PASSWORD UNLOCKED 100%...

can anyone help me to unlock my lenovo E14 gen1 bios password?
Board : FE4A0/FE5A0 NM-C421

Hello masters;
Lenovo Thinkpad E14
20RA003WTX
SN. PF-1C2Q3K
NM-C421 REV 1.0
Can you please remove the bios password?

I added the EC and Main bios backup....

type 20rb-s0w100
fe 4a0/fe5a0 nm-c421

I need help with removing the BIOS password on my system. Could you please guide me through the process?



thanks in advance....

Looking for a BIOS file for my password locked Lenovo E15 Intel I7 10th gen

Lenovo Thinkpad E15 Motherboard FE4A0/FE5A0 NM-C421 20RD

Part No : 20RD0011AU Serial No: PF1C55RN 5229113822-17-Feb-2020

NoteBook TP E15 I7 16G 10P

EEPROM Chip : Winbond 25Q128JVSQ

READ WITH THE EZP2023+ / BIOS+ EZP2023+ Software V3.0 configured to SPI_FLASH - WINBOND - W25Q128​

I did post an earlier request and provided a file but this file was read in circuit using a jumper cable, I decided to unsolder the chip an read it, this is the correct...

please in need bios bin file clean the password lenovo ThinkPad E14 (FE4A0/FE5A0 NM-C421) REV:1.0

somebody help me removepass

My Lenovo E15 20RD Thinkpad E15 FE4A0/FE5A0 NM-C421 20RD0011AU S/N PF-1C55RN 20/01 is password locked.

I have been able to read the Winbond 25Q128JVSSQ chip using my EZP2023+ set to to Winbond 25Q128. I am reading the chip in circuit via clip/cable and wonder if this is ok to read/write in circuit or whether I have to unsolder it.

I have attched my BIN file here. Would anyone please be able to provide a new bios file for this laptop, TIA ...

Hello ,to all.

Yesterday i talked to Maxpower3 , because i had again the same problem with auto-patch ,from the website.

Laptop is working just fine. (before the auto-flash)
Now after the auto-flash , it's beeping like a scheme, sound, like cinderella or whatever ? (Strange music scheme ,but nothing on video).

If i program the old dump again , i'm sure that the laptop will come back alive.

But anyone can suggest what to do ,to remove the supervisor password ?

Here is the original dump (working)

Motherboard...

Re: E14 Type 20RA NM-C421 EC Bios Unlock



try for test
at restart : enter Bios setup with F1 and need clear security chip
type password blank and load by default and save

restore original Bios after...