Guest - Try our new boardview, Bios, & schematic search. Over 1.1 million files for download!

E14 E15 NM-C421 EC Bios Unlock

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • kamalkharbanda
    Senior Member
    • Jun 2013
    • 92
    • India

    #1

    E14 E15 NM-C421 EC Bios Unlock

    [MOD EDIT] - Renamed thread title to include E15

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

    Premium supporters get full download access and other benefits.

    Last edited by SMDFlea; 07-13-2024, 11:39 AM.
  • peste
    Super Moderator
    • Dec 2016
    • 14726
    • ROMANIA

    #2
    Re: NM-C421 EC Bios Unlock

    Originally posted by kamalkharbanda
    Hi
    Please unlock this EC file. It has bios password inside.
    Thank you
    post the full name and model of the laptop
    Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

    >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

    Every donation made will go towards server fees and maintenance costs.

    Comment

    • kamalkharbanda
      Senior Member
      • Jun 2013
      • 92
      • India

      #3
      Re: NM-C421 EC Bios Unlock

      Lenovo E14
      Type 20RA-S1R200

      Comment

      • kamalkharbanda
        Senior Member
        • Jun 2013
        • 92
        • India

        #4
        Re: NM-C421 EC Bios Unlock

        Pcb Code FE4A0 FE5A0 NM-C421 Rev 1.0
        i5 10th gen

        Comment

        • peste
          Super Moderator
          • Dec 2016
          • 14726
          • ROMANIA

          #5
          Re: NM-C421 EC Bios Unlock

          Originally posted by kamalkharbanda
          Pcb Code FE4A0 FE5A0 NM-C421 Rev 1.0
          i5 10th gen
          try..
          Attached Files

          Premium supporters get full download access and other benefits.

          Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

          >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

          Every donation made will go towards server fees and maintenance costs.

          Comment

          • kamalkharbanda
            Senior Member
            • Jun 2013
            • 92
            • India

            #6
            Re: NM-C421 EC Bios Unlock

            well i tried to write modified ec.bin. After write verify error . now motherboard is no power mode. i will change the ite chip then i will update you about modify ec.bin.Thanks for your help

            Comment

            • onizzbox
              Banned
              • Nov 2018
              • 604
              • Brazil

              #7
              Re: NM-C421 EC Bios Unlock

              Originally posted by kamalkharbanda
              well i tried to write modified ec.bin. After write verify error . now motherboard is no power mode. i will change the ite chip then i will update you about modify ec.bin.Thanks for your help
              @kamalkharbanda
              E14 (Type 20RA, 20RB)
              works with custom AutoPatch.
              Last edited by SMDFlea; 09-15-2022, 11:11 AM.

              Comment

              • kamalkharbanda
                Senior Member
                • Jun 2013
                • 92
                • India

                #8
                Re: NM-C421 EC Bios Unlock

                Thanks Onizzbox
                But where to get this Custom Aotopatcher. I really need that bcoz my motherboard is lying dead.

                Comment

                • onizzbox
                  Banned
                  • Nov 2018
                  • 604
                  • Brazil

                  #9
                  Re: E14 Type 20RA NM-C421 EC Bios Unlock

                  @kamalkharbanda
                  Try restarting the laptop, auto patch does not repair laptops, just unlock supervisor password

                  Comment

                  • kamalkharbanda
                    Senior Member
                    • Jun 2013
                    • 92
                    • India

                    #10
                    Re: E14 Type 20RA NM-C421 EC Bios Unlock

                    Originally posted by onizzbox
                    @kamalkharbanda
                    Try restarting the laptop, auto patch does not repair laptops, just unlock supervisor password
                    M just asking the way to unlock not to repair. Where to get Autopatcher for unlock.

                    Comment

                    • onizzbox
                      Banned
                      • Nov 2018
                      • 604
                      • Brazil

                      #11
                      Re: E14 Type 20RA NM-C421 EC Bios Unlock

                      Originally posted by kamalkharbanda
                      M just asking the way to unlock not to repair. Where to get Autopatcher for unlock.
                      @kamalkharbanda
                      Try the forum autopatch, if it doesn't work post BIOS dump.
                      Last edited by SMDFlea; 06-19-2022, 10:14 AM.

                      Comment

                      • kamalkharbanda
                        Senior Member
                        • Jun 2013
                        • 92
                        • India

                        #12
                        Re: E14 Type 20RA NM-C421 EC Bios Unlock

                        Originally posted by onizzbox
                        @kamalkharbanda
                        Try the forum autopatch, if it doesn't work post BIOS dump. Lenovo AutoPatch v2 is not yet public.
                        Paid service asked me to share EC dump for patch. Not to share bios dump. So i shared EC dump here. I cant take the MB dead risk again. If anybody hv 100% solution post here for help.

                        Comment

                        • kamalkharbanda
                          Senior Member
                          • Jun 2013
                          • 92
                          • India

                          #13
                          Re: E14 Type 20RA NM-C421 EC Bios Unlock

                          Originally posted by kamalkharbanda
                          paid service asked me to share ec dump for patch. Not to share bios dump. So i shared ec dump here. I cant take the mb dead risk again. If anybody hv 100% solution post here for help.
                          i checked online solution(out of this forum) for this case. They asked me to pay their charges. But they have 100% solution

                          Comment

                          • onizzbox
                            Banned
                            • Nov 2018
                            • 604
                            • Brazil

                            #14
                            Re: E14 Type 20RA NM-C421 EC Bios Unlock

                            Originally posted by kamalkharbanda
                            Paid service asked me to share EC dump for patch. Not to share bios dump. So i shared EC dump here. I cant take the MB dead risk again. If anybody hv 100% solution post here for help.
                            @kamalkharbanda
                            I will repeat for the last time...
                            ThinkPad E14 (20RA, 20RB) is possible to unlock it through DXE drives.

                            Comment

                            • exe557
                              Member
                              • Jan 2021
                              • 24
                              • Germany

                              #15
                              Re: E14 Type 20RA NM-C421 EC Bios Unlock

                              Just write clean ITE dump extracted from Lenovo Bios update. All data like serial, uuid will be gone but can be set again with uefi maintenance disc

                              Comment

                              • kamalkharbanda
                                Senior Member
                                • Jun 2013
                                • 92
                                • India

                                #16
                                Re: E14 Type 20RA NM-C421 EC Bios Unlock

                                Originally posted by onizzbox
                                @kamalkharbanda
                                I will repeat for the last time...
                                ThinkPad E14 (20RA, 20RB) is possible to unlock it through DXE drives.
                                OK , I WILL POST THE BIOS DUMP.
                                Thanks for revert on duly time

                                Comment

                                • newjan
                                  Senior Member
                                  • Mar 2016
                                  • 81
                                  • Egypt

                                  #17
                                  lenovo E14 nm-c421 rev:1.0 patch need

                                  password patch need plz
                                  lenovo E14 nm-c421 rev:1.0 patch need

                                  Comment

                                  • onizzbox
                                    Banned
                                    • Nov 2018
                                    • 604
                                    • Brazil

                                    #18
                                    Re: lenovo E14 nm-c421 rev:1.0 patch need

                                    Originally posted by newjan
                                    password patch need plz
                                    lenovo E14 nm-c421 rev:1.0 patch need
                                    Inform the model located on the cover.

                                    Comment

                                    • newjan
                                      Senior Member
                                      • Mar 2016
                                      • 81
                                      • Egypt

                                      #19
                                      Re: lenovo E14 nm-c421 rev:1.0 patch need

                                      Originally posted by onizzbox
                                      Inform the model located on the cover.
                                      Attached Files

                                      Premium supporters get full download access and other benefits.

                                      Comment

                                      • newjan
                                        Senior Member
                                        • Mar 2016
                                        • 81
                                        • Egypt

                                        #20
                                        Re: lenovo E14 nm-c421 rev:1.0 patch need

                                        Originally posted by onizzbox
                                        Inform the model located on the cover.
                                        board model
                                        Attached Files

                                        Premium supporters get full download access and other benefits.

                                        Comment

                                        Related Topics

                                        Collapse

                                        • zenius
                                          [REQUEST] Dell G3 3579 BIOS Password & AMI Protected Range/BIOS Guard Unlock
                                          by zenius
                                          Hello, I have an old Dell G3 3579 (ST: 2WQ7LP2-8FC8) with a newer 8FC8 BIOS password. I have successfully attached to the flash chip (W25Q128JVSQ) on the motherboard with a CH341A programmer and made several modifications using Intel FIT (e.g., allow software SPI write) without bricking. I was also able to boot to a modified GRUB shell where I attempted to edit many BIOS security related options like BIOS Guard/Lock, Flash Signature Override, ME FW Image Re-Flash, etc.

                                          Unfortunately, some of these modifications like to Intel BIOS Guard failed because it is fused into the PCH. Also,...
                                          12-08-2024, 06:13 AM
                                        • macabook
                                          🛠️ MSI GP75 Leopard MS-17E71 – No Display, Deep BIOS/EC Troubleshooting
                                          by macabook
                                          Hello everyone,

                                          I’m currently working on a dead MSI GP75 Leopard (MS-17E71) motherboard (i7 CPU, NVIDIA GPU) with a no display/no backlight issue initially. After extensive investigation, I’m at a critical stage involving EC firmware, BIOS/ME region interaction, and possible deep corruption. I'm seeking advanced insight from anyone with experience in EC/BIOS sync issues or PCH-level behavior. Here’s a full breakdown:
                                          🧩 Initial Issue
                                          • Board powers on (fans spin, keyboard lights up and can be adjusted, caps lock led lights), but no display or backlight
                                          • External display (HDMI) shows
                                          ...
                                          07-24-2025, 02:17 PM
                                        • cr4zychriss
                                          [Problem/ Request] Bricked TongFang GK7MRFR BIOS
                                          by cr4zychriss
                                          Hello everyone,
                                          I am requesting urgent assistance to unbrick my laptop, a rebranded TongFang GK7MRFR chassis. The laptop is completely dead following a faulty in-OS EC flash attempt.
                                          I have successfully used a CH341A programmer and can read/write/verify both flash chips, but using my backups/extractions has failed to restore power. The root cause is likely a corrupted Intel Management Engine (ME) region or an incompatible EC/BIOS pairing. System & Hardware Details
                                          • Barebone / Chassis: TongFang GK7MRFR
                                          • MB: MB: GK5MP5X V1.0 Prod :GK5MRFV10T04201310281
                                          • Rebrand: PC Specialist
                                          ...
                                          11-14-2025, 04:04 PM
                                        • TopPop
                                          Dell Latitude 5530 BIOS Password Removal Attempted but I Broke the Laptop
                                          by TopPop
                                          Sorry for the long story. I have a Dell Latitude 5530 (i7) laptop (South Peak 15 MLK MB DDR4 203102-1 FK8VG$JA) with an admin BIOS password that I want to remove. Service Tag: HYKFPT3. Other than that the laptop worked OK.

                                          I found a CH341A Black and went looking for the BIOS chip on the motherboard. After trying to read one chip that was a firmware chip but not the BIOS I think I found the BIOS chip labeled Winbond 25Q256JVEN. Altogether I think I found 4 different firmware chips in the laptop. The BIOS chip is a WSON8 6x8. I used the CH341A, NeoProgrammer, and a cheap pogo pin clip...
                                          12-14-2025, 09:40 PM
                                        • clrscr
                                          HP BIOS on AI-Generation Platforms: MPM Unlock and DMI Reprogramming Challenges ?
                                          by clrscr
                                          HP BIOS on AI-Generation Platforms: MPM Unlock and DMI Reprogramming Challenges
                                          On recent HP platforms commonly referred to as AI-generation systems, unlocking MPM (Manufacturing Programming Mode) in order to reprogram DMI information has become significantly more difficult compared to earlier generations.
                                          The level of firmware security has been raised substantially, and solutions that were previously effective on older platforms (for example, G11 and earlier generations) are no longer applicable or reliable on these newer systems.

                                          1. Increased Firmware Security Archi...
                                          12-24-2025, 09:56 AM
                                        • Loading...
                                        • No more items.
                                        Working...