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After reading several posts and trying to get the bios to read the USB with Ubuntu 22.04 iso I found it read and failed to load. I was encouraged to read that Ubuntu 22.10 worked and I tried that without success until I followed a post about using Rufus in Windows to read and recognise the usb. A this point I was stopped at a blank screen. Another post said "I had the same problem but was able to get the live disk to load and install by adding "acpi=off spec_store_bypass_disable" to the grub command. Now it is working great" This worked and using e to edit grub boot by adding that to the linux boot line and removing quiet splash I was able to see

"corrupted directory entry in block-------------" not able to read the rest

mounting /dev/sdb4 on /cdrom failed: Bad message EXT4-fs (sdb4):VFS:Found ext4 filesystem with invalid superblock checksum. Run e2fsck?

this was repeated multiple times followed by "Unable to find medium containing a live file system Attempt interactive netboot from a url" to which I answer no because there is no internet connection this takes me to Busyboxv1.35 "(initramfs) Unable to find a medium containing a live file system" I have searched the file system for a lead on how to progress but so far no ideas

poortrev
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    The message "Unable to find medium containing a live file system" implies your ISO was corrupt (did you verify it?) OR your write of the ISO to media was corrupted thus the media is not detected as valid (why it can't be found). Your error was shown is likely procedural; did you perform the ISO validation? and write to media as is documented using correct version(s) of apps? Use another system to verify the media if needed (it's what I do if one box fails to boot it, so I can rule out bad write of ISO to media!) Other causes are too low RAM (esp. on VM) etc. – guiverc Mar 25 '23 at 00:52
  • Does this answer your question? Error when installing: "unable to find a medium containing a live file system" – karel Mar 25 '23 at 08:33
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    I created a new usb iso of 22.04 which booted and ran. I installed this on the hard drive and towards completion gave the message "not able to install grub, install failed." The laptop then booted to grub prompt but I could not load Ubuntu. I downloaded boot-repair and ran it. First time it said no grub installed but failed to fix it. I ran it again with an internet connection and it fixed the problem. Ubuntu 22.04 now works on this laptop. – poortrev Mar 25 '23 at 23:34

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