I am concerned about the sources.list errors you have been getting ,,,,,,have you added , changed any sources on your system ,

this and I think your graphics diver may have not gotten updated correctly.

at the TTY log in as you , reinstall the package you removed then do the

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sudo apt-get update && sudo apt-get  dist-upgrade

this is not the same as what you have been using.

after that runs do an

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apt search

for the nvidia driver you were using and see if it displays it as installed

if not reinstall it and then check if you have the "dkms" package installed ,,,, it dose automatic building of drivers for new kernels

after all that reboot and see what happens

VINNY

Does that mean you have GUI when you login, is the login screen in a normal resolution?
Try to make a new user from the recovery mode, restart and try to login as that new user.
If you login and you have GUI that means that something was damaged with the original user.

alideda wrote:Midnight Commander - a powerful file manager
I do not know how to search on the Internet
My recommendation, download and install the latest Neon version

so just reinstall the OS? will do.