Surface book 2 windows 115/31/2023 ![]() ![]() I used all of the recommended settings on the prompts from rufus.Use RUFUS to create a bootable USB and direct it to the Ubuntu ISO we downloaded in step 2.Insert your USB stick into your surface.Official UEFI firmware files from Microsoft Available here.It needs to be done in a linux environment, and we are using Ubuntu) (This is the tool that will let you force the downgrade of UEFI Firmware. UEFI Firmware updates for linux-surface - Available here.I used 20.04.2.0 (I chose this for ease of installation, and because it was fully functional, including all the SB2 hardware) Surface Book 2 (Not sure how this method applies to other surface products).USB Thumb Drive (I used 16gb, 8 should work too, maybe 2 if you're paranoid).Many thanks to everyone whose posts I read and helped, especially to /u/SirCoitusMaximus as I found myself referencing his posts a lot! and of course to the linux community for making stuff like this possible. If you are not familiar with linux (I wasn't) this guide is designed to help YOU. I made a dumb error that caused me to have to do this, and this guide will be written in a way that you don't have to reformat your windows partition, but if something goes wrong (like it did for me) then that could be a possibility. If there are any errors, please let me know!įirst of all, my suggestion would be to back up any important information and expect that you might have to reformat your windows partition. ![]() I guess it should go without saying that I take no responsibility for anything that happens to your device. Turns out there's a lot of great info and tools out there, but the information seems pretty spread out, so I'm going to do my best to put it all into one place. IMHO the computer is unusable without an undervolt so I started searching how to fix it. When I booted it back up I noticed my undervolt settings weren't being applied. I use my SB2 almost exclusively for work, and I hadn't touched it since I'm mostly on summer break. ![]()
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