[ubuntu] Trouble Booting USB with Full Install

[ubuntu] Trouble Booting USB with Full Install

I am somewhat new to Linux and Ubuntu, but I have been tinkering with it for many years. My current computer system is a homebrew system, kind of a Frankenstein, built over the years. My motherboard is an ASUS Crosshair VI with a Ryzen 3950X cpu, 32gb of ram and Windows 10 booting from an NVMe SSD drive. The chipset on this board is X370, so kind of old for the 3950X, but it works okay. It was a treat trying to update the BIOS when I got the new CPU. Originally I was running a Ryzen 1700X.

So that tells you a little about my system and my background. What I’d like to do is dual boot the system with Ubuntu (or some flavor of Ubuntu). I thought the easiest way to do that would be to give Ubuntu a full drive all to itself and just switch the boot order in the BIOS. I’ve done this before on an old Dell Server, works great. Just go into the BIOS and disable the Windows drives and then install Ubuntu on its own drive. Easy peasy.

Not so fast with this ASUS motherboard… there is no way (that I can find) to disable the NVMe boot drive! So I am afraid to try and do an install with a Live Linux, I have heard about the bug that might affect my Windows boot drive. So faced with that problem, I first tried to create the bootable USB in VirtualBox. That worked, but the USB stick that produced won’t boot. No matter what I try, the stupid machine continues to boot into Windows… ignoring the stick. The BIOS does see the stick and recognizes the UEFI partition, but won’t boot it. I have tried disabling Secure boot, turning CSM on and off… Legacy mode, UEFI mode… nothing.

The system will boot the Live Linux USB created by Rufus. So I can do that, at least. And I can use persistence with the Live Linux USB. But I cannot load drivers onto the Live Linux USB. And I need drivers for my wifi. Right now I have a jury rigged ethernet cable setup so I can run the Live USB and download drivers and updates that way. But that is just temporary… I need the wifi to work.

Can I create a full USB stick on an old Dell and boot it on my Ryzen system? I do have several old Dells around that I can try… but I wish I knew why the USB I create in VirtualBox won’t boot. Might save me some time and effort.

Any ideas? Suggestions?


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