Thinkbook 15 G3 ACL

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  • charliebigpotatoes
    New Member
    • May 2025
    • 4
    • uk

    #1

    Thinkbook 15 G3 ACL

    I've got a thinkbook 15 G3 ACL that hung during a bios update and now laptop starts with blank screen, no sound and just fan whirring and caps and esc light on.

    Bios chip is Winbond W74M25JW, which i've read with Neoprogrammer - file attached.

    S/N of laptop is MP279KG9.

    I'd like to flash it without desoldering the chip, is that likely to work?

    Any help appreciated, this is my first request so apologies if I've missed something.
    Thanks, Charles
    Attached Files
  • Answer selected by charliebigpotatoes at 09-11-2025, 07:43 AM.
    volinakis
    Badcaps Legend
    • Jan 2021
    • 2789
    • N/A

    Originally posted by charliebigpotatoes
    I've got a thinkbook 15 G3 ACL that hung during a bios update and now laptop starts with blank screen, no sound and just fan whirring and caps and esc light on.

    Bios chip is Winbond W74M25JW, which i've read with Neoprogrammer - file attached.

    S/N of laptop is MP279KG9.

    I'd like to flash it without desoldering the chip, is that likely to work?

    Any help appreciated, this is my first request so apologies if I've missed something.
    Thanks, Charles
    try
    Attached Files

    Comment

    • volinakis
      Badcaps Legend
      • Jan 2021
      • 2789
      • N/A

      #2
      Originally posted by charliebigpotatoes
      I've got a thinkbook 15 G3 ACL that hung during a bios update and now laptop starts with blank screen, no sound and just fan whirring and caps and esc light on.

      Bios chip is Winbond W74M25JW, which i've read with Neoprogrammer - file attached.

      S/N of laptop is MP279KG9.

      I'd like to flash it without desoldering the chip, is that likely to work?

      Any help appreciated, this is my first request so apologies if I've missed something.
      Thanks, Charles
      try
      Attached Files
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      Comment

      • charliebigpotatoes
        New Member
        • May 2025
        • 4
        • uk

        #3
        That's worked, I was able to program the chip on-board/without de-soldering it.

        Windows shows my serial number and activated windows licence.

        Don't know how you do it (would love to know) efharisto volinakis!

        Comment

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