BIOS Update Utility for Windows 8.1 (32-bit, 64-bit), 8 (32-bit, 64-bit), 7 (32-bit, 64-bit) – Notebook

NameOperating SystemVersionReleasedDownload
BIOS Update Utility
j8uj31us.exe
3.25 MB
Windows 8.1 32-bit,
Windows 8.1 64-bit,
Windows 8 32bit,
Windows 8 64bit,
Windows 7 32bit,
Windows 7 64bit
1.1218 Feb 2014 Download
README for BIOS Update Utility
j8uj31us.txt
9.86 KB
Windows 8.1 32-bit,
Windows 8.1 64-bit,
Windows 8 32bit,
Windows 8 64bit,
Windows 7 32bit,
Windows 7 64bit
1.1218 Feb 2014 Download

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

Notes:

  • This program is language independent and can be used with any language system.

Supported Systems


  • Lenovo M4400s, K4450, B4400s

Supported Operating Systems


  • Windows 8.1 32-bit, 64-bit
  • Windows 8 32-bit, 64-bit
  • Windows 7 32-bit, 64-bit