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If I try to install ubuntu on my desktop pc, i get the following error during the boot process. The problem occours with Ubuntu 20.04 and Ubuntu 21.10. The boot medium is a DVD. The downloaded images were ok:

First error

After the first error, it shows the ubuntu boot screen, but fails a little bit later with the following error:

stdin: Invalid argument
/init: line 49: can't open /dev/sda: no medium found

Second error

I use the following Hardware:

  • Mainboard: gigabyte x299 Designare EX (latest BIOS)
  • CPU: Intel Core i7-7800X
  • Graphic: NVIDIA GeForce GT 710
Markus
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  • *The boot medium is a CD*... Are you sure it isn't a DVD? The Ubuntu ISO doesn't fit a CD since many releases and many years ago. And why aren't you using USB like everybody else? – ChanganAuto Nov 22 '21 at 11:21
  • Yes it's a DVD. – Markus Nov 22 '21 at 12:23
  • So, yeah... As commented before, use USB, reusable and much faster. And regardless of the medium the downloaded ISO should be checked. – ChanganAuto Nov 22 '21 at 12:30
  • Is `/dav/sda` a typo or did it actually say that? Because it should be `/dev/sda`. – Stonecraft Nov 22 '21 at 15:55
  • It was a typo. I edited the post – Markus Nov 22 '21 at 16:26
  • Does this answer your question? [What is the proper way of creating installation media from Ubuntu iso?](https://askubuntu.com/questions/674441/what-is-the-proper-way-of-creating-installation-media-from-ubuntu-iso) – karel Nov 22 '21 at 17:52

1 Answers1

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It was possible to install Ubuntu 20.04. without error using an USB device instead of a DVD.

Markus
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