First you’ll have to know the version of current BIOS installed on your system. In the larger right pane, locate BIOS Version/Date. If there is no such thing, then simply download “BIOS Update Utility for Windows”. Connect the USB to the target system, power it on and keeping tapping F12 until you see the Boot menu. In case of laptop, make sure the battery is present in the laptop and the AC adapter is connected with it the whole time.
To update your BIOS on your Lenovo computer/laptop, you will first have to check which version of BIOS is currently running on your system. Connect the USB you’re going to make bootable on another system you have access too. If F12 doesn’t’ works, it may be different for your model, you’ll have to check it from Lenovo’s website. If this guide didn’t work out for your model, do let us know and we will guide for your specific model.
BIOS is an acronym that stands for Basic Input Output System.
Also know as "System Setup", the BIOS is software that is contained on a small memory chip on the PC's Motherboard, typically referred to as the CMOS (Complementary Metal Oxide Semiconductor).
Value against “System Mode” will be your exact system model. To check the version of BIOS, power on the target system and tap repeatedly F1 or F2 for some models to go into BIOS setup. Connect the USB to the target system, power it on and keeping tapping F12 until you see the Boot menu.
You can download Reimage Plus by If some reason you can’t boot into Windows and still want to update your system, then worry not, as you can do it by booting from the USB.
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.The widespread adoption of UEFI in modern motherboards means that usability has been substantially improved, and with that in mind, flashing no longer requires a bootable CD with command prompt loaded.This quick tutorial shows how to flash your firmware (update BIOS) using any modern ASUS board.See also: How to install Windows 7 Before you start, heed this warning: if something goes wrong during the BIOS update, your computer could be rendered useless.If there's a power cut, or the computer gets turned off while updating, it could mean that it's unable to boot at all.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.