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.
If the Version and Date of BIOS available for download is newer than the one you have currently, then click the download icon next to the BIOS update utility. After extraction, make sure the check is placed for the “Install BIOS Utility now.” option. 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.
There is no installation required; it just needs to be activated. embed Persistence technology into the BIOS or firmware of computers, netbooks, tablets, and smartphones during the manufacturing process.
Once activated, our customers benefit from an extra level of security, persistence, and the only technology that keeps you in complete command with a self-healing, two-way connection to any endpoint or application — even if they are off the network.
From time to time, your PC's manufacturer may offer updates to the BIOS with certain improvements. In general, you shouldn't need to update your BIOS that often.
Installing (or "flashing") a new BIOS is more dangerous than updating a simple Windows program, and if something goes wrong during the process, you could end up bricking your computer. I've never had a problem updating my BIOS, and I've done it plenty of times, but it's important to be careful.
Instead of rebooting your machine, you can just double-click the update program, and it'll run through the reboot-and-update process for you.