Lenovo B4400s Laptop BIOS Update for windows 7 8 8.1 10
Supported Operating Systems
Microsoft Windows 7 , Microsoft Windows 8 ,Microsoft Windows 8.1 , Microsoft Windows 10
BIOS, an abbreviation of Basic Input/Output System, is integrated into ROM chip on Lenovo B4400s Laptop 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 controls the connection between software and hardware, and the interfacing window of hardware and operating system.
Note: Make note of any settings you have changed in the Lenovo B4400s Laptop BIOS Configuration Utility. These settings you have to be re-entered after updating the BIOS.
Attention: Do not power off or restart your Lenovo B4400s Laptop during the BIOS flashing process, which will cause serious damage and improper functioning of your Lenovo B4400s Laptop.
Downloading the Lenovo B4400s Laptop BIOS Update
Lenovo B4400s Laptop BIOS Update Utility for windows Download (3.21 MB)
Click the download 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 Lenovo B4400s Laptop BIOS Update.exe that has been downloaded.
Double click the Lenovo B4400s Laptop BIOS Update icon.
Follow wizard UI by making sure what BIOS to flash and flash on what platform.
Finally, press Install and Finish to start flashing. During the process, you are advised not to turn off the Lenovo B4400s Laptop.
When the update finishes, the Lenovo B4400s Laptop will automatically reboot for the changes to take effect.
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