![]() exe that matches your laptop model, not the one in this example. We’ll use a 1st generation X1 Yoga BIOS in this example. It’s necessary to run the 1st stage of the install to access them, so a Windows PC or virtual machine is required. The instructions and tools are included in the Windows. Fortunately, with recent ThinkPad BIOS updates using a bootable flash drive has become an option. These days, an optical drive is becoming a rarity – requiring the use of an external drive. 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. ![]() exe installer, and an ISO that can be used to create a bootable CD. Traditionally, ThinkPad BIOS updates have been provided for download in two formats: a Windows. exe – perhaps grub2 + loop-mounting, grub2 + memdisk, geteltorito – but this is the “official” Lenovo approach.įull disclosure: I haven’t yet actually had occasion to build the flash drive and test the BIOS update process. ![]() There are likely other ways to do this using the ISO instead of the. ![]() It may be old news, but I’ve only recently come across it. This is the original draft of a KB article written for the Lenovo forums. ![]()
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