Flash BIOS update - Flash from Operating System version for Yoga 720-15IKB
Version 4MCN32WW(V2.04)
Applicable OS Windows 10 (64-bit)
Installation README
Updated Date: 2018-05-31
This package updates the basic input/output system (BIOS) on Yoga 720-15IKB
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.

Print this file so that you can refer to it during the installation.

Downloading the package
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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.

Installing the package in Windows.
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Please follow bellowed step to update BIOS in Windows:
1.  Locate the file 4mcn32ww.exe that has been downloaded.
2.  Double click the 4mcn32ww.exe icon.
3.  Follow wizard UI by making sure what BIOS to flash and flash on what platform.
4.  Finally press Install & Finish to start flashing. During the process, you are advised not to turn off the computer.
5.  When the update finishes, the computer will automatically reboot for the changes to take effect.

Updated Information:

Latest Version BIOS fixed all merged issues from previous.

Summary of changes
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General Information:

4MCN32WW
1. Update solution for (LEN-20198) SPI Flash ROM Unlocked/Firmware Write Protection.
2. Update includes some security fix. (PCR# CP20180330_0002).

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