Thinkpad L470, i5-7200u question

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  • kaffeine
    New Member
    • Nov 2023
    • 2
    • Greece
    #1

    Thinkpad L470, i5-7200u question

    Hey,
    I have a Thinkpad L470 type 20J5 with serial number PF-0UQXWL.
    I bought a new bios chip Micronix 25L12873F and tried to program it with CH341A. I used a bios .bin file I found on the forums here with no luck.
    The problem is I have no dump file, and erased the chip. Motherboard will start, CPU Fan will run for 2-3 seconds, then stops. Nothing else.
    This is a "project" machine and not my main.
    Any help will be appreciated. Thanks a lot.
    Tags: None
    • kalilinux25
      Badcaps Legend
      • Mar 2018
      • 2089
      • ZAMBOANGA SIBUGAY
      #2
      Originally posted by kaffeine
      Hey,
      I have a Thinkpad L470 type 20J5 with serial number PF-0UQXWL.
      I bought a new bios chip Micronix 25L12873F and tried to program it with CH341A. I used a bios .bin file I found on the forums here with no luck.
      The problem is I have no dump file, and erased the chip. Motherboard will start, CPU Fan will run for 2-3 seconds, then stops. Nothing else.
      This is a "project" machine and not my main.
      Any help will be appreciated. Thanks a lot.
      what is the motherboard number or model?

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