That cp command looks fine, but if you want to try using dd with offsets, try:
sudo dd if=debian-live-11.0.0-amd64-standard.iso of=/dev/sdb bs=4M if is input file, of is output file, bs is blocksize which I set to 4MB which is a typical block size If that still doesn't work it's likely an issue with the USB flash drive you're using. --- Sean Behan On 2021-10-11 06:38, kaye n wrote: > Hello Friends! > > I did this and was able to boot my newly created Debian 11 live USB but was > stuck in a black terminal-like screen where it says, I/O error, etc. > > Using GParted, I created an MS-DOS partition table and formatted the USB > stick in fat32. > > Then I used these commands > > sudo cp debian-live-11.0.0-amd64-standard.iso /dev/sdb > sync > > All seemed fine until I booted the live USB and got the error message as > stated above. > > Thank you for your time.