Windows 7 32bit, Windows 7 64bit, Windows 8 32bit, Windows 8 64bit, Windows 8.1 32-bit, Windows 8.1 64-bit
10 Nov 2013
Lenovo G400s, G500s
Supported Operating Systems
Windows 7 (32-bit, 64-bit), Windows 8 (32-bit, 64-bit), Windows 8.1 (32-bit, 64-bit)
Flash BIOS update - Flash from Operating System version for IdeaPad G400s\G500s
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.
Latest Version BIOS fixed all merged issues from previous.
Summary of changes
Add ”Hotkey” mode function.
Fix the issue ”PrtSc key no function on BZ K/B”.
Downloading the package
Click the file link to download the file from the web page.
When prompted, select a drive and directory in which to save the downloaded file.
Install the package in Windows
Locate the file 7bcn36ww.exe that has been downloaded.
Double click the 7bcn36w wexe icon.
Click Flash BIOS.
Press Enter to start flashing. During the process, you are advised not to turn off the computer.
When the update finishes, the computer will automatically reboot for the changes to take effect.
If the hot key not work without Fn key after flash BIOS, this SOP describes how to enable hot key mode
Step 1: Press power button to boot, then press F2 key enter BIOS setup. Step 2: Select sub menu to Configuration Step 3: Select to Hotkey Mode item and then press enter Step 4: Select Enabled then press enter Step 5: Press F10 save and exit, then select Yes then press enter.