Problems with reflashing BIOS Chip on omen by hp laptop 17 an104ng

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  • JoWed
    Jonas
    • Jun 2025
    • 3
    • Germany
    #1

    Problems with reflashing BIOS Chip on omen by hp laptop 17 an104ng

    Hello Community,

    I recently tried to change the Batterie on my Omen by HP Laptop 17 an104ng and after putting in the new batterie ([Batterie Link](https://www.amazon.de/7xinbox-17-AN0...7&sr=8-10&th=1) I know it is not offical, but it should still work ) my Laptop wouldn't start again. No fan noises, no keyboard LED, nothing. All it did was flash the on button in orange for around 3 seconds and then the light was off for around 3 seconds in a repeating pattern. I thought I had destroyed the motherboard so I gave the Laptop to a friend of mine who is an expert with hardware. He measured everything and all the electricity went were it should. But apperantly if you don't have the power cable connected to the Laptop while changing the batterie, the BIOS Chip on the motherboard doesn't recieve electricity (because it doesnt have a backup batterie like every other BIOS chip for some reason) and it breaks. So the problem is most likely a destroyed BIOS file on the chip.

    So now I have tried to reflash the BIOS onto the BIOS Chip (Serial Number: **AH1826 25B127DSIG U85917)** using a EEPROM BIOS USB programmer CH341A ([The one I bought](https://www.amazon.de/EEPROM-Program...0961473&sr=8-4)) and the programm NeoProgrammer. I got the BIOS file from the official HP Website of my Laptop (https://support.hp.com/at-de/drivers...model/22529201). When detecting the Chip with the Clipper it said that it was a GD25Q127C with 3.3V, a size of 128Mbits and a page of 256 Bytes. So I have tried writing the BIOS file onto the BIOS chips with Off-Protect, Erase, Blank-Check,Write and Verify enabled but it didn't work. The BIOS file I used was named 08466.bin and had a size of 16.384KB ([The BIOS file i used](https://limewire.com/d/tcBDg#0MAK0CfaO4)) . So now following are my questions:

    Did I use the correct BIOS file, if no where can I get the correct file?

    Do I need to change something in the BIOS file to use it (like putting in the serial number or ME Firmware Cleaning)?

    Did I do everything correctly in the BIOS reflashing progress using Neo Programmer?

    Thank you very much for reading and I hope you have a solution on your mind, thanks
    Tags: None
    • peste
      Super Moderator
      • Dec 2016
      • 12406
      • ROMANIA
      #2
      well..wouldn't it be better to ask these questions before you get started???
      post S/N, full name and model, motherboard model, product number,etc.
      post the contents of the bios chip even if it is corrupted..

      The bios chip must be unsoldered from the board before writing or reading..
      do not use the clip, you may have errors..if you do not have anything to unsolder it with,
      solder wires between the programmer and the bios chip..

      here is a video for example..https://www.youtube.com/watch?v=DWWi...nnel=ThisIsHow

      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

        • JoWed
          Jonas
          • Jun 2025
          • 3
          • Germany
          #3
          Hey, thank you very much for the very quick response
          I thought I was informed since I took a lot of time reading diffrent articles and comparing files and methos but it seems like I have been completly misinformed. A fault on my end im sorry. Following is the information you requested. I hope it is all of it and if it isn't hit me up and I'll try to answer you on the nearest ocasion.

          SN:5CD8364V12
          Fullname and model: OMEN by HP – 17an104ng
          Product number: 4BZ33EA
          motherboard model: G3BEN17E DAG3BEMBCD0 Rev: D
          Processor: Intel Core i/-8750H
          Attachements: My Current BIOS Dump, the BIOS file I found on the HP Website

          I hope thats all. In the meantime I looked around the forum and I find it quiet impressive what you guys are doing. So of course I'll be donating even just for trying.

          Thank you for your quick response
          Attached Files

            Comment

            • peste
              Super Moderator
              • Dec 2016
              • 12406
              • ROMANIA
              #4
              Originally posted by JoWed
              Hey, thank you very much for the very quick response
              I thought I was informed since I took a lot of time reading diffrent articles and comparing files and methos but it seems like I have been completly misinformed. A fault on my end im sorry. Following is the information you requested. I hope it is all of it and if it isn't hit me up and I'll try to answer you on the nearest ocasion.

              SN:5CD8364V12
              Fullname and model: OMEN by HP – 17an104ng
              Product number: 4BZ33EA
              motherboard model: G3BEN17E DAG3BEMBCD0 Rev: D
              Processor: Intel Core i/-8750H
              Attachements: My Current BIOS Dump, the BIOS file I found on the HP Website

              I hope thats all. In the meantime I looked around the forum and I find it quiet impressive what you guys are doing. So of course I'll be donating even just for trying.

              Thank you for your quick response
              bios extracted from HP site update for OMEN by HP - 17-an104ng
              DMI 340000 - 3410FF
              KEYWIN A9E000 - A9E03F
              Attached Files
              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

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