grub cannot detect detect the live usb. how to do i access it?

AFAIK, it never will, CMIIW tho if you want to boot from live usb, shouldnt you use “boot selection” menu from your bios? or change the boot order from bios ? :thinking:

i zm dual booting, i can only rearrange the list in my bios , can’t access from there

[image] regulus_421: can only rearrange the list in my bios assuming, you already created bootable live usb (via whatever tools you use) can you just make the usb as first boot in bios? (you can always change back later) on my end, i mostly use that way, so instead booting grub first, it al…

i put it first and then it wont be there the next time, it will be at the bottom

[image] regulus_421: it wont be there the next time, it will be at the bottom seems like bios mechanism to me, since it’s usb, if you’re unplug them, bios just detected it as invalid device, and remove it from entries, and when you plug it again, it just start at bottom one some bios have th…

It’s the BIOS that lets you boot from a USB drive. On my MSI PC, you have to press F11 to display the boot sequence and choose what to boot from. I also use Ventoy without any problems.

I’m going to assume you have saved the USB flash drive as primary boot device in the BIOS? If so this might sound weird but try a different USB port. I have one laptop an HP that will only boot from a USB flash drive with an OS (typically Linux) from one specific USB port. It could also be an issue…

see this [image] Unable To Boot into CachyOS Issues & Assistance i think some optoins in your Uefi motherboard failback to CSM / MBR mode can you recheck in your UEFI motherboard secureboot desactivated no CSM no legacy no fastboot all disks are ont AHCI ( n…

Grub not detecting live usb

Issues & Assistance

stephane June 17, 2026, 5:07pm 10

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