Lenovo ThinkPad X240/X240s BIOS Update Utility 2.31-1.15

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Date Added: July 12, 2015 / Release Date: July 12, 2015 / Publisher: Lenovo / File Size: 4.0 MB
OS: Windows 10 64-bit, Windows 8.1 64-bit, Windows 8 64-bit, Windows 7 32-bit, Windows 7 64-bit


This package updates the UEFI BIOS (including system program and Embedded Controller program) stored in the ThinkPad computer to fix problems, add new functions, or expand functions as noted below.

Version 2.31-1.15:

  • [Important] Added support for Microsoft Windows 10 64bit.
  • (New) Supported F1-F12 as Primary Function in BIOS Setup menu.
  • (New) Supported Fn Stick Key in BIOS Setup menu.
    (Note) Please use the following utilities level for above two functions.
    Lenovo Base Utility : v.5.60.0000 or later
    Lenovo Power Management Driver : v. or later

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