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I tried to install it on a Lenovo Ideapad 330s (Intel CPU, NVIDIA GPU, installing from USB created with UNetbootin from default file verified with the SHA hash). Any known fixes to this error? Thanks :)

Here is the error message (I tried to type it out, might have typos):

Installation Failed

External command finished with errors.


Command apt-get update finished with exit code 100. 
Output: 
Ign:1 cdrom://Ubuntu-Studio 20.10 Groovy Gorilla -Release amd64 (20201022) bionic InRelease 
Ign:2 cdrom://Ubuntu-Studio 20.10 Groovy Gorilla -Release amd64 (20201022) groovy InRelease 
Err:3  cdrom://Ubuntu-Studio 20.10 Groovy Gorilla -Release amd64 (20201022) bionic Release 
Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs 
Hit:4  cdrom://Ubuntu-Studio 20.10 Groovy Gorilla -Release amd64 (20201022) groovy Release 
Reading package lists… 
E: The repository ‘cdrom://Ubuntu-Studio 20.10 Groovy Gorilla -Release amd64 (20201022) bionic Release’ does not have a Release file.
karel
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qtamo
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1 Answers1

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Go to Software and Updates Software and Updates

In the Ubuntu Software tab, look for the cdrom, if it’s checked, uncheck it. Ubuntu Software tab

Now, open up a terminal and open the file sources.list using

nano /etc/apt/sources.list

If you find a line starting with cdrom, then comment it by putting # like this #deb cdrom:....

Press Ctrl x, y and Enter to save.

Finally, run the command

sudo apt update
Tejas Lotlikar
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  • Thanks for the suggestion! However, doing this before the installation attempt not work, even the error message during installation of Ubuntu Studio didn't change. – qtamo Dec 01 '20 at 20:50