BIOS Update for Windows 10 (64-bit) - S540-15IWL

• S540-15IWL

• Microsoft Windows 10 (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.
  • If the current BIOS version in your machine is APCN28WW or later, please don't flash to the BIOS APCN26WW or before version.

Summary of Changes

Latest Version BIOS fixed all merged issues from previous.

General Information:
1) Update ME FW version to 12.0.81.1753v4 for WHL.
2) Update microcode to 0xEA.
3）Update flash tool

APCN39WW:
BIOS Notification:
1. Fixed
1)NA

2. Add
1) Update ME FW version to 12.0.81.1753v4 for WHL.
2) Update microcode to 0xEA.

3. Modified
1) Update flash tool

EC Notification:
1) NA

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.

Install the package in Windows

1. Locate the file apcn39ww.exe that has been downloaded.
2. Double click the apcn39ww.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.