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BIOS Update for Windows 8.1 (64-bit) - Lenovo Yoga 2 Pro

Operating System
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(Haswell) BIOS Update
4.9 MB
Windows 8.1 (64-bit)
(Haswell) BIOS Update Readme
4 KB
Windows 8.1 (64-bit)
Supported Systems
  • Lenovo Yoga 2 Pro
Supported Operating Systems
  • Microsoft Windows 8.1 64-bit
Important Information of the BIOS
  • BIOS, abbreviation of Basic Input/Output System, is integrated in ROM chip on main board, which contains the basic input/output program, system configuration information, system startup self-check and pre-setup programs. BIOS provides most basic low-level hardware operations; it is the connection between software and hardware, and interfacing window of hardware and operating system.

    Note: Make note of any settings you have changed in the BIOS Configuration Utility. These settings may have to be re-entered after updating the BIOS.

    Attention: Do not power off or restart your computer during the BIOS flashing process, which will cause serious damage and improper functioning of your computer.

Updated Information of the BIOS

76CN42WW The latest version BIOS fixed all merged issues from previous.

  • Fix the security issues in the Intel UEFI module.
Downloading the BIOS
  1. Click the file link to download the file from the web page.
  2. When prompted, select a drive and directory in which to save the downloaded file.
Install the BIOS in Windows
  1. Plug in AC, Locate the file 76cn42ww.exe that has been downloaded.
  2. Double click the 76cn42ww.exe icon.
  3. Click OK, the computer will automatically reboot to start flashing BIOS and EC. During the process, please do not turn off the computer.
  4. After the update finished, the computer will automatically reboot for the changes to take effect.

If you find your computer is shut down with keyboard backlight on, you can keep press the power button longer than 8S and press the power button again to start the computer. The BIOS should be installed properly.

  • Alias ID:
  • Document ID:DS035004
  • Last Updated :27 Mar 2015
  • (c) 2014 Lenovo