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BIOS Update for Windows 8 (64-bit) - IdeaPad Yoga 13

Operating System
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BIOS Update for 64-bit Windows
5.46 MB
Windows 8 (64-bit)
Supported Systems
  • IdeaPad Yoga 13
Supported Operating Systems
  • Microsoft Windows 8 64-bit
Important Information
  • 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
  • Normal BIOS upgrade
Downloading the package
  1. Click the file link to download the file from the web page.
  2. For Windows operation system, there is one update package available, 66cn55ww_x64_en.exe. Please download the right update package.
  3. When prompted, select a drive and directory in which to save the downloaded file.
Install the package in Windows
  1. Restart computer.
  2. Locate the file 66cn55ww_x64_en.exe that has been downloaded.
  3. Double click the 66cn55ww_x64_en.exe.
  4. Click Install.
  5. Click Flash BIOS.
  6. Press Enter to start flashing. During the process, you are advised not to turn off the computer.
  7. When the update finishes, the computer will automatically reboot for the changes to take effect.
  8. Enter to BIOS menu, load default setting-> save and exit.
  9. Please reboot the system again.

  • Alias ID:
  • Document ID:DS034924
  • Last Updated :27 Mar 2014
  • (c) 2014 Lenovo