New answers tagged unetbootin
Try re-formatting the USB drive as FAT32. I had the same problem and after using FAT32 I can boot properly.
For me sudo umount -l -r -f /cdrom worked like a charm.
If you put the .iso on a USB stick (in a subdirectory called ubuntu, for example), you can boot from an optical disc, but pass isoscan/filename=/ubuntu/desktop-ubuntu-14.10-desktop-i386.iso on the kernel command line. (Which you type in manually from the boot screen, unless you edit the .iso before burning it.) So the computer boots syslinux from your ...
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