Flash BIOS update - Flash from Operating System version for Legion S7 15ACH6/Lenovo Legion S7 15ACH6/Lenovo Legion R9000X2021R
Version HACN37WW
Applicable OS Win10&&Win11(64-bit)
Installation README
Updated Date:2022-05-16
This package updates the basic input/output system (BIOS) on Legion S7 15ACH6/Lenovo Legion S7 15ACH6/Lenovo Legion R9000X2021R
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.

If you have updated the BIOS version to HACN36WW, It will not be able to back flash to any previous version.

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
=======================
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.
======================
Please follow bellowed step to update BIOS in Windows:
1.  Locate the file flash.bat that has been downloaded.
2.  Plug in AC adaptor and make sure the battery volume is over 30%.
3.  Run flash.bat as Administrator.
4.  Follow wizard UI by making sure what BIOS to flash and flash on what platform.
5.  Finally press Install & Finish to start flashing. During the process, you are advised not to turn off the computer.
6.  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
==================
General Information:
HACN37WW
BIOS Notification    :
1. Fixed
  1)N/A.

2. Add
  1)Enhancement to address security vulnerability LEN-86144 –-hotkey.
  2）Enhancement to address security vulnerability LEN-89700 && LEN-89704 && LEN-89724.

3. Modified
  1)N/A.

EC Notification      :
1. Fixed
   1) None.

2. Add
  1) None.

3. Modified
  1) Rename.




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