Like drivers and softwares, updates for BIOS are also released occasionally, but you should have a very good reason for updating your BIOS, also called flashing your BIOS. A menu will open, and select BIOS setup from it Use the above given method in Method 1 to check if newer version of the BIOS is available. If you have downloaded a simple “BIOS Update Utility for Windows” file, then next to “Create a bootable disk using” select Free DOS. After extraction, uncheck “Install BIOS Utility now.” option. Paste the previously copied file path in the address bar up above.
We would also advise opting for a wired connection.We used an ASUS Crosshair V in this guide, but the steps apply to any other E-Z Flash-equipped board.Note that some modern board manufacturers (MSI and ASRock both included) will also allow BIOS flashing over ethernet or wireless connection, though USB is still the easiest and safest method. It’s a set of code that resides on a chip on yours system’s motherboard. Once in BIOS setup, search for “BIOS Revision” and value against it would be your BIOS version. If you have downloaded “BIOS Update Bootable CD iso” then select FAT32 in the drop down menu under File system and select ISO Image next to “Create a bootable disk using”. If F12 doesn’t’ works, it may be different for your model, you’ll have to check the way to boot from USB from Lenovo’s website.When a computer boots up, it looks in the chip for BIOS for instructions on where to find the operating system and among many other things, BIOS also further facilitates communication between the operating system and the hardware. If you have a modern laptop, you’ll have to press the Lenovo key to access BIOS menu while your laptop is powered off, which is usually besides the power button on the front. Click the CD Icon to browse and select the downloaded file. If you have a modern laptop, you’ll have to press the Lenovo key to access BIOS menu while your laptop is powered off, which is usually besides the power button on the front. Select your USB from the list, and follow the instructions on-screen. Run the downloaded file “BIOS Update Utility for Windows”. Copy the file path it shows similar to “C:\Drivers\Flash\j9uj22ww”.