Wednesday, September 18, 2019

boot - Running Ubuntu from a USB: Failed to load ldlinux.c32


I'm trying to run Ubuntu off of a USB. The exact error message read as follows:


SYSLINUX 6.03 EDD 2014-10-06 Copyright (C) 1994-2014 H. Peter Anvin et al
Failed to load ldlinux.c32
Boot failed: please change disks and press a key to continue.

I followed these instructions (multiple times, same result) to create the USB stick: https://tutorials.ubuntu.com/tutorial/tutorial-create-a-usb-stick-on-windows#0


I followed these instructions for booting the computer: https://tutorials.ubuntu.com/tutorial/try-ubuntu-before-you-install?backURL=%2F#0


I used a brand-new 16GB USB 3.0 from PNY. I installed it using a Windows 7 Dell laptop (BIOS), which was unable to boot it from the USB. I tried booting it on a Windows 10 Dell desktop (BIOS) with the same result. I was using the latest LTS ISO from Ubuntu.com (ubuntu-16.04.3-desktop-amd64).


I tried writing in the ISO image mode multiple times with the same result before trying the DD image mode, which threw a "corrupt file" error and then wiped the USB entirely blank, so I slow-formatted it in FAT32 on my next attempt (instead of the instruction's usual "quick format" option).


Some people said they had success copying ldlinux.c32, libcom32.c32, and libutil.c32 to the root directory, but that didn't change a thing for me. I tried formatting the USB as NTFS as well as FAT32. Same result. Some people said that FAT16 fixed it for them, but that wasn't an option in Rufus.


I'm totally lost! Here I was, trying to learn Linux, and I'm unable to even boot it! Help, please?


EDIT: Not sure why it's being marked as duplicate. The questions it's supposedly identical to have nothing to do with this specific error message.



Thank you, Android Dev! I used the Universal USB Installer instead of Rufus. It threw an error on the first boot-up attempt ("vesamenu.c32: not a COM32R image") which was easily solved by pressing Tab and then typing "live" to select the proper image. I'm now typing this edit on my USB live version of Ubuntu!


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