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I have a black screen on my PC, and I've somehow got in the terminal the terminal is all black and I can only do commands.

Is there a command to factory reset your PC through the terminal?

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2  
Looks like you are encountering the xy problem: meta.stackexchange.com/questions/66377/what-is-the-xy-proble‌​m Isn't your main problem the black screen? If yes then you should ask about how to fix the black screen, because you might find very simple (maybe just 1 command) answers. – Tooniis Aug 14 '17 at 7:40
up vote 11 down vote accepted

Try this:

Log in as root

exec sudo -i

Try configuring unconfigured packages:

dpkg --configure -a

Update the contents of the repositories

apt-get update

Try to fix missing dependencies:

apt-get -f install

Update your system:

apt-get dist-upgrade

Reinstall Ubuntu desktop:

apt-get install --reinstall ubuntu-desktop

Remove unnecessary packages:

apt-get autoremove

Delete downloaded packages already installed:

apt-get clean

Reboot the system to see if the issue was resolved:

reboot
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everyone is saying that there is no way to reset. then what does these commands do? – Waseem Ahmad Naeem Jul 30 '17 at 15:09
    
@WaseemAhmadNaeem: Restore system and graphical environment to initial configuration (factory reset PC thru the terminal) – kyodake Jul 31 '17 at 0:43
    
why use exec sudo -i, just sudo -i enough @kyodake – solfish Aug 14 '17 at 8:14
    
@solfish: exec replace the shell with the program executed, not as new process. – kyodake Aug 14 '17 at 23:29
up vote 0 down vote

There is no such thing as factory reset in ubuntu. You have to run a live disk/usb drive of any linux distro and backup your data and then reinstall ubuntu.

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up vote 0 down vote

This blog talks about a software which can reset Ubuntu to factory default

I have not tried, but definitely worth a peek

http://www.omgubuntu.co.uk/2017/03/reset-ubuntu-desktop-default-settings

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