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First of all, I'll say I'm actually very clueless regarding "computer stuff", that's why I'm asking this question from scratch, since related questions/answers I've seen here and on other sites I couldn't really understand (read 'understand' as trying for ~4 hours and arriving at no results) and/or they didn't work for me. I won't talk about what I already tried because I'm willing to try those options again since this was several months ago. Eventually I gave up on this and continued to use Windows.

I'm interested in setting up dual boot for Windows10 64bits (my current OS) and Ubuntu 20.04 LTS Desktop. I've bought a USB Stick with 16GB of storage space and followed this tutorial: https://ubuntu.com/tutorials/create-a-usb-stick-on-windows#1-overview

When I restart my computer and boot it from the USB Stick, I get the following error message:

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.

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  • 1
    Does this answer your question? Why Doesn't a Bootable USB Boot and What is the proper way of creating installation media from Ubuntu iso? – karel 2 days ago
  • So many possible solutions, I end up with 10+ tabs open and a million useless tools installed on my PC. One of them leads to a tutorial on how to verify checksum, this tutorial asks me to install an Ubuntu terminal on W10, now trying to install this I get an error. I'm better off paying someone to do this all for me aren't I? It feels like it will never end. This is why I gave up months ago, I had been trying different stuff for hours on end every weekend for a whole month. I apologize for acting this way I'm just so frustrated.. Thanks for the links regardless, appreciate them – APL2020 2 days ago
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Ubuntu Install Quick Start

The guide that you used is not the best guide. Following the screen shots, such as using Free Dos, can create problems. The following step by step guide is as simple as it gets:

![enter image description here

  • Select USB Device and Ubuntu ISO file for Boot Selection.

  • Stretch the Persistent partition size slider about half way.

  • Confirm your Rufus looks exactly like the screen shot except for the Device name and position of the Persistence slider.

  • Select START.

  • When Rufus is done you can use USB to install Ubuntu to BIOS or UEFI machine.

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  • Thanks for the answer. Up to now I had been setting the Persistence silder at 0. I've tried setting it halfway through like you said and I get the following error message while formatting the drive: The directory is not a subdirectory of the root directory This happened whenever I put the slider at anything but 0. I've been looking into this for the past couple hours but I still can't figure out what's wrong – APL2020 yesterday
  • Rufus persistence only works with 19.10 and later. Is it working if you have the slider at zero? You don't need persistence to install Ubuntu. The only time it fails for me is when I have the slider all the way to the right. Are you booting BIOS or UEFI mode? Syslinux should only be the bootloader in BIOS mode, GRUB2 is the boot loader for UEFI mode. Can you try the stick on a UEFI computer? if it still does not work try downloading the ISO again. I found this online MD5SUM checker, nothing to download, just copy and paste the file: onlinemd5.com – C.S.Cameron yesterday
  • If Rufus does not work for you try Etcher: github.com/balena-io/etcher/releases/download/v1.5.101/… This is portable version, no need to install, just double click the exe. Drag and drop the ISO onto the window. – C.S.Cameron yesterday
  • From Etcher: Failed Target; PhysicalDrive1 : Checksum does not match for range[0,... This means the iso I downloaded is corrupted, doesn't it? Guess I'll download it again Rufus was showing that error whenever I had persistency!=0. I'm booting on BIOS mode – APL2020 yesterday
  • Just verified checksum using the online tool you provided and it tells everything is OK. However, Etcher keeps showing me that message – APL2020 yesterday

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