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    Machine Type code issue in SystemUpdate after motherboard replacement

    Discussion in 'Lenovo' started by lkpcampion, Apr 9, 2010.

  1. lkpcampion

    lkpcampion Notebook Consultant

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    Hi all,

    I have the mother board replaced for some reasons; the tech flashed the EEPROM and left. Then the machine has an error during boot complaining invalid Machine Type code and Serial Number, which shows up wrong in SystemUpdate & Lenovo Toolbox as well. (13CTCTO instead of 4313CTO)

    So I have the tech come back and reflash it. This time, the machine type code and SN shows up right in BIOS (4313CTO), but when I boot into windows and launch SystemUpdate & the Toolbox, it still says 13CTCTO. As a result, I can't pull any driver update with SystemUpdate as it doesn't match with anything on IBM's server. Even the BIOS update recognize my machine type as 13CTCTO rather than 4313CTO when tried to update the model number.

    I've already made another call and the tech is coming back Monday. He is pretty helpful; but he is a contracted technician rather than a direct Lenovo guy (pretty common I suppose?). His Hardward Maintenance Diskette version is 1.76 rather than the most current 1.77.

    In addition, for reference, there are 3 fields in BIOS: Machine Type (4313CTO), System Serial Number (XXXXXXX), and System Board Serial Number (empty).

    Has anyone encountered something like this before? I wonder if it can be solved by the tech flashing it again. (I wonder if he may happen to be around this forum too)

    Thanks for your help in advance.
     
    lkpcampion, Apr 9, 2010
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