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I don't mind wiping all data.

I have looked up similar issues but can't really find anyone in my situation. Many answers assume I can enter grub menu, others assume you can access the live USB, and others assume you have a password for root. I can't do any of those three. I have had this problem for a year.

I'm running Kubuntu. When I try to boot from the live USB to reinstall latest Kubuntu 22.04, I get this error, even though I haven't got a floppy disk on this PC.

Grub floppy error

I have the password of the only of user in the system if that helps, but it is not on the sudoers group. And I keep getting the message this incident will be reported. By now I don't know if I have ever set up a password for root or if I have forgotten it. I'm not dual booting in this machine. I can't access grub menu either since when I press Shift or Esc on booting, grub menu is not displayed.

Since I can't access sudo, I can't update the system.

This is the boot menu.

This is the boot menu.

I don't know which of these option to choose to boot from the live USB.

I don't know which of these option to choose to boot from the live USB

karel
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Kepol
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    The screen images you've attached are not Ubuntu screens, but hardware/firmware specific, and the Ubuntu OS cannot overrule hardware specifics. You must get past your *firmware* screens to allow a Ubuntu/Kubuntu system to boot. This is a Ubuntu Q&A site & not a hardware/firmware Q&A site. – guiverc Mar 25 '23 at 09:41
  • I can boot on Kubuntu with no issue getting past the hardware screens, the only problem is I can't access root once I am on Kubuntu – Kepol Mar 25 '23 at 09:42
  • Does this answer your question? [How do I reset a lost password (using recovery mode requires me to type the password)?](https://askubuntu.com/questions/121698/how-do-i-reset-a-lost-password-using-recovery-mode-requires-me-to-type-the-pass) – guiverc Mar 25 '23 at 09:45
  • I wish it did but those assume they can access the live CD or GRUB I can't access none, let me try the last answer in that post though – Kepol Mar 25 '23 at 09:47
  • I'm somewhat confused by your question, since you paste *firmware* screens that are not involved in Ubuntu (*being hardware specific & relate to before any OS including Kubuntu is booted*), and have no idea what you mean by Grub Floppy Error (*I still have devices here with floppy drives, and many without - but have never seen any such error so have no idea what you're asking about*). A link to a picture of the error may resolve that for me, but hopefully others will know what you mean. – guiverc Mar 25 '23 at 09:51
  • Thank you for your input, I have uploaded that floppy error screenshot – Kepol Mar 25 '23 at 09:54
  • Thanks for posting the GRUB FLOPPY ERROR .. I can't recall seeing it before, however a scan online seems to indicate that your machine *firmware* (ie. device) thinks you have a FLOPPY device plugged into a USB port thus has told the OS there is one attached.. You likely do not have a USB-Floppy-drive connected, but have some other USB device that was *cheapily put together* and the creator was not careful of the device message, thus a keyboard/mouse/usb-hub/(anything-plugged-into-your-USB) reports wrongly to your system that's its a floppy drive. To remove that error unplug that device – guiverc Mar 25 '23 at 10:00
  • As you won't *likely* know what device it is; you may need to unplugging USB devices until it's gone... unless the details I got online were incorrect... After that error message, the subsequent lines were from your machine firmware (ie. Boot from CD/DVD then Disk Boot Failure).. but the `grub` message highlights GRUB at least tried to boot in my opinion meaning... My 2c (*having no experience with the error myself such it's what I found online only*) – guiverc Mar 25 '23 at 10:03
  • Let us [continue this discussion in chat](https://chat.stackexchange.com/rooms/144863/discussion-between-kepol-and-guiverc). – Kepol Mar 25 '23 at 10:07
  • Sorry, I access this site using my Ubuntu SSO (Ubuntu signon) and chat requires me to login to Stack Exchange (*I'm not logged into Stack Exchange, accessing the site only via Ubuntu login*). I can't access Chat using my Ubuntu signon. – guiverc Mar 25 '23 at 10:09
  • Ok I am using a different live USB now that it works on a different machine, not getting the floppy grub error but not managing to boot onto the live USB either , I will try different USB ports and put the right booting instruction – Kepol Mar 25 '23 at 10:20
  • from this screenshot, https://i.stack.imgur.com/sKdEr.jpg what option do I choose to boot into the live USB? @guiverc – Kepol Mar 25 '23 at 10:24

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Ok , I managed to reinstall Kubuntu wiping everything. I had to go into bios, change the first device to boot to USB-ZIP. First try the live Usb in a different PC to make sure it worked, since the first one was causing Floppy GRUB error.

Kepol
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