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Community SeniorMod
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Traditionally, ThinkPad BIOS updates have been provided for download in two formats:  a Windows .exe installer, and an ISO that can be used to create a bootable CD.  The CD version was useful for those who aren't running a Windows OS, or who have a damaged main drive or OS that won't boot.


These days, an optical drive is becoming a rarity - requiring the use of an external drive.  Fortunately with recent ThinkPad BIOS updates using a bootable flash drive has become an option.  The instructions and tools are included in the Windows .exe.  It's necessary to run the 1st stage of the install to access them, so a Windows PC or virtual machine is required.


We'll use a 1st generation X1 Yoga BIOS in this example.  Be sure to use a BIOS .exe that matches your laptop model, not the one in this example.


(Most readers will already know how to download the BIOS exe file and will want to skip down to the Installer & Flash Instructions section below.  The download instructions here are for 1st-timers.)


Download Instructions (click on Spoiler):




The first step is locating the BIOS .exe download.  Use the SUPPORT link and enter the laptop's model in the search box:


Support Search X1 Yoga CROPPED.png


Select the correct model from the list presented, then Drivers & Software, and BIOS from the Components drop-down.


Support Drivers BIOS X1 Yoga CROPPED.png


Then click on the resulting link - BIOS/UEFI in this example - which will bring up something like this:


 Support Drivers BIOS Choices X1 Yoga CROPPED.png


Select "BIOS UPDATE Utility for Windows... and finally download the .exe offered.  Make note of the download location.


Support Drivers BIOS EXE and README X1 Yoga CROPPED.png



Installer & Flash Instructions:


The way the .exe is built it's necessary to run the first stage of the install to be able to access the contained files.


Locate the downloaded .exe and run it.  You'll be offered a target folder and the option to browse for a target folder of your choosing.  Make a note of where the driver files are going and proceed.


1st Stage Install Browse for Target Folder CROPPED.png


The next phase of the process will ask to actually install the BIOS on the current PC or virtual machine.  Don't let it.  Un-check the "Install ThinkPad BIOS Update Utility Now" check box and click Finish.


1st Stage Install Disable 2nd Stage Install CROPPED.png


Now you can navigate to the installer files.  You should see something like the below.  Read and follow the instructions.


Folder Contents Only CROPPED.png


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