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
    #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

    Feb 27, 2011
  3. 8139david

    8139david MDL Novice

    Mar 4, 2016
    #3 8139david, Jul 14, 2016
    Last edited: Jul 14, 2016
    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.
  4. John Sutherland

    John Sutherland MDL Senior Member

    Oct 15, 2014
    Hello 8139david - Did you read the release notes for BIOS version 2.39? (https://download.lenovo.com/pccbbs/mobiles/gjuj26us.txt)
    The section related to "OS Optimized Defaults" might explain why you cannot change your BIOS settings. Having "OS Optimized Defaults" enabled or disabled will affect which default settings are used when you press the F9 key. From the link above:

    - Be aware that the OS Optimized Defaults option in the Restart menu of ThinkPad Setup should not be normally changed. Lenovo recommends to use the factory default setting for it, as follows.

    OS Optimized Defaults
    - For Windows 10/8.1/8 64-bit Preload models [Enabled] <Here
    - For Windows 7 [Disabled]

    To install Windows 7, the OS Optimized Defaults option should be [Disabled].

    If the OS Optimized Defaults setting is changed, Setup Default by the F9 key <Here
    will not load the same default configuration, as follows. Furthermore, by the
    condition of Operating System installation, the computer may not be booted due
    to the setting change.

    If your computer runs satisfactorily now, you have no need to change the OS
    Optimized Defaults option. If you need to change the setting, consider well
    the effect of the setting change.

    Affected Setup menu items :
    "OS Optimized Defaults" setting [Disabled] [Enabled]
    - Security
    - UEFI BIOS Update Option
    - Secure RollBack Prevention --- [Disabled] [Enabled]
    - Secure Boot
    - Secure Boot -------------------------- [Disabled] [Enabled]
    - Startup
    - UEFI/Legacy Boot ----------------- [Both] ----- [UEFI Only]
    - UEFI/Legacy Boot Priority ------ [Legacy First]
    - CSM Support ------------------------ [Yes] ------- [No]

    By the OS to be newly installed, you need to change the OS Optimized Defaults
    option, and load default configuration.

    1. Enter the ThinkPad Setup menu by following steps in [Checking On ThinkPad <Here
    2. Select Restart, then select OS Optimized Defaults and press Enter.
    3. Select the following setting and press Enter.
    [Enabled] (for Windows 10/8.1/8 64-bit) <Here
    [Disabled] (for Windows 7)
    4. Press the F9 key to load default configuration. <Here
    5. Select Yes.
    6. Press the F10 key to save default configuration and exit.
    7. Select Yes.
    The computer will be restarted automatically.
    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
  5. 8139david

    8139david MDL Novice

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