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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.
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.
This article provides information about how to update all the firmware for your Dell Power Edge servers in one step via the ISO images (ISO-files) provided below.
These include a small bootable Linux distribution and a collection of all firmware (repositories) for a specific server model.
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.
These Think Pads are limited to SATA1 in their BIOS even though the hardware is SATA2. "geteltorito" is available in Ubuntu (at least in Trusty, 14.04) from package "genisoimage".
Lenovo/IBM provides firmware upgrades in a variety of packages: The Linux diskette is just the Diskette package that runs on Linux instead of Windows/DOS. This worked on the R31, X22, T21, T30 and T41p with various firmware updates. 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”.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.Unless you are having a specific issue like compatibility while installing new hardware that is resolvable through BIOS update, only then you should update your BIOS. In the window, make sure System Summary is selected in the left pane. If in the results you can see “BIOS Update Bootable CD iso” whose BIOS version is newer than you already have then download it. Copy everything form the opened folder to the USB you just made bootable. Do not turn off your computer or laptop in any case during the updating process.