[SOLVED] Debian don't work

[Doniu]

Hello, my network card was working so, i wanted update a system.
All was working fine, then i did apt-get update...
They dowloaded they was begin installed, then boom. Linux crashed and logged me out.
Now i don't see any icons on system + when i log on, i can't do anything, it automatic log me off. And Linux crash.
If i would get access to terminal, i would do
systemctl set-default rescure.target or multi-user.target
And try to fix bug from terminal (maybe doing update/upgrade would help )

[dasein]

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[Doniu]

how to say, i can't access Debian System.
When i log in, i just automaticaly get logged out.
Also, i changed the source from Jessie, to "stretch" (testing), i also installed some programmers:
vim, chkconfig (didin't turn any service off), all was runing stable for 1.5h-2hours, and system was updating, but in the middle of update, it crashed.
"stretch" is in testing, but i think it still run stable/fine.

[Wheelerof4te]

What Debian version are?were you using? See my two posts in sig.
Did you install wi-fi non-free firmware?

What happens when you press CTRL+ALT+F1 BEFORE you log in (during dyspay manager log in screen)?

EDIT:

system was updating, but in the middle of update, it crashed.

There is your problem.

[dasein]

how to say, i can't access Debian System.
When i log in, i just automaticaly get logged out.

Use a Live CD or boot into single-user (aka "rescue" mode)

[Bulkley]

Doniu, I think you may be in over your head. A fresh install might be in order.

[Doniu]

Hello, i fixed it:
Wheelerof4te Thx alot, i have forget about that combination, with access to terminal, i have fix it easy.
I searched for errors, and i found something with my network card, so, i did:
apt-get install firmware-realtek
And all work fine :-}
Easy, fast, and simple.
Also, i'm not a total newbie user in linux i just never used it on desktop, i got some experience in linux as a server (debian), i'm not expert in linux or adavanced user, let's just say a "normal user". Main Debian respository got old packets, and i want a new one, that's why i switched.

Thx alot guys for help, it's already 2nd time.

[Wheelerof4te]

^I'm glad to have helped. Can you mark this thread solved by editing the title in the first post? So others can see that.

[Bulkley]

Hello, i fixed it:
Wheelerof4te Thx alot, i have forget about that combination, with access to terminal, i have fix it easy.
I searched for errors, and i found something with my network card, so, i did:
apt-get install firmware-realtek
And all work fine :-}
Easy, fast, and simple.
Also, i'm not a total newbie user in linux i just never used it on desktop, i got some experience in linux as a server (debian), i'm not expert in linux or adavanced user, let's just say a "normal user". Main Debian respository got old packets, and i want a new one, that's why i switched.

Thx alot guys for help, it's already 2nd time.

Doniu, I'm glad I was wrong and that you got it working.