Lenovo ThinkPad T440s: unable to change bios settings

Discussion in 'BIOS Mods' started by 8139david, Jul 14, 2016.

  1. 8139david

    8139david MDL Novice

    Mar 4, 2016
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    #1 8139david, Jul 14, 2016
    Last edited: Jul 14, 2016
    I've just changed the ssd (harddisk) of my Lenovo ThinkPas T440s, then installing Window 8.1 Pro on the new ssd.

    To do that, I first changed the bios settings, allowing for legacy boot. Then I powered-off the machine from the bios (Disable Built-in Battery), so as to change the ssd.

    Eventually, there was some problem with the bios, so I disconnected manually the internal battery.

    Bios: LENOVO GJET89WW (2.39 ) 04/12/2016
    Boot Mode: Legacy BIOS in UEFI
    [ This is the lastest bios, obtained here: support.lenovo.com/fr/fr/products/Laptops-and-netbooks/ThinkPad-T-Series-laptops/ThinkPad-T440s/20AQ/CTO1WW/downloads/DS035965 ]

    Now, when I enter the bios, I cannot change any setting. How can I fix that?
     
  2. LatinMcG

    LatinMcG Bios Borker

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  3. 8139david

    8139david MDL Novice

    Mar 4, 2016
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    #3 8139david, Jul 14, 2016
    Last edited: Jul 14, 2016
    (OP)
    Thanks.
    But this doesn't seem to be the solution.
    I can boot in Windows 8.1 all right.
    But I can't change the bios settings.
    I can also flash various bios from within windows (using their exe's).
    And I have the latest bios.
    My problem is that I can't change the bios settings.
    In particular, it is stuck at Legacy boot. I'd like to change it back to uefi boot. And I'd like to be able to use the bios normally, which I can't currently.
     
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    John Sutherland MDL Addicted

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  5. 8139david

    8139david MDL Novice

    Mar 4, 2016
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    Thanks.
    So what should I do? The F9 key has no effect, indeed I said, I can't change any setting the bios.