It is the first software your PC loads so that it can use things like CD drives, mice, and keyboards practically from the moment you turn it on.This guide will help you flash (update) your BIOS by taking the right precautions and walking you through each step.
Note: If your BIOS-Update tool says that no update is needed, then simply downgrade the Bios first: On Lenovo's drivers download page, the old Bios files are listed at the very bottom of the page. If you really want to do it with a floppy, some tips: BIOS, ECP, CD/DVD and Harddisk firmware disks can be booted over the network with PXELINX as part of the SYSLINUX package.
A list of links to firmware downloads can be found at BIOS Upgrade Downloads for most Thinkpad models. This requires that you have a DHCP and tftp server configured and setup properly on your network, and is probably not for the faint of heart.
If you determine to flash BIOS, you are taking a personal risk of BIOS flash failure.
Please contact your supplier or our distributors/resellers for further remedy in case system crashes unfortunately because of BIOS flash failure.
Dell's BIOS Flash Update Program does support flashing from within Windows but the failure rate is high. You can also create a bootable memory key with the flash update program on it. It does not contain emm386 or himem which could compromise the BIOS update. I will assume that you have already downloaded the necessary AND correct BIOS update program. Start up Nero Burning ROM program and choose "New Compilation". On the Boot tab, select "Image file" as the source and Browse to where you saved the file
Here is a list of the files that are contained in this image file.
You can also search for other resources on the web for creating bootable USB devices.
Search for “How to create bootable USB drives."Creating a bootable CDCreating a bootable CD is not as simple as creating bootable disks.
It's unknown if a boot image can be extracted from it. On the X22, it worked with ECP 1.30 but not with BIOS 1.32 Lenovo recommends reseting your BIOS settings to their factory defaults after a firmware update.
You may need to try different packages to find the one from which you can extract a boot image. Also, please consider updating the List of DMI IDs after updating your BIOS.
Updating the BIOS in Linux (with few exceptions) is not officially supported by Lenovo. By following any of the instructions here you are accepting the very real risk of turning your Think Pad into a big expensive paper weight, as a firmware update gone wrong can create unfix-able problems. A user on Notebook Review named 'Middleton' made these alternative BIOSes to enable SATA2 on certain Thinkpad models (X61/T61/R61/X300). Write the extracted image to a USB Flash drive using dd.