Requirements
Create Bootable Ubuntu USB
- Open the dash and search for Startup Disk Creator.
- Select the Startup Disk Creator to launch the app.

- Click Other to choose the downloaded ISO file.
- Select the file and click Open.

- Select the USB stick in the bottom box and click Make Startup Disk.

- That’s it! When the process completes, you’ll be ready to restart your computer and begin installing Ubuntu.
Fix gfxboot.c32 not a com32r image

- Hit
TAB - Then you will see a set of options (live, live install, etc).
- Now type
live and press ENTRER.
Reference
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