Linked Questions

0
votes
2answers
28 views

How to reset ubuntu to default display settings after failed nVidia driver install attempt?

This is the same dreaded story in Ubuntu with nVidia drivers ... I got a new machine with the K2200 nVidia card in it and now I'm unable to boot again after installing the latest nVidia drivers for ...
3
votes
2answers
4k views

Problem booting after updating from Ubuntu 14.10 to 15.04

I just updated my laptop from Ubuntu 14.10 to Ubuntu 15.04. Now on a restart it fails to make it to the login prompt. The system looks to be in a cycle of failure and I see the message repeatedly [ ...
0
votes
0answers
26 views

User login failed after edit .profile

i edited my .profile-file to start a program after login. I missed to start it in the background (&). After the login the program (TOR) which is started by the .profile-file crashes and i am ...
0
votes
1answer
178 views

nvidia 840m driver problem with kubuntu 14.10

I'm having some trouble installing the 346 driver on Kubuntu 14.10. After I followed this tutorial and after I reboot the system (without anything saying that I must do that after installation), It ...
0
votes
1answer
36 views

Nvidia 8400 glitches on ubuntu14.04 with hdmi

I have an Nvidia GeForce 8400 everything looks fine when the pc is booting, I can also see the Ubuntu loading screen but when is time to show the login screen I can see some strange freezes like ...
0
votes
2answers
57 views

No sudo or root access anymore [duplicate]

I'm afraid I locked myself out of the sudo/root options. The one account that had sudo rights now reports that it doesn't have these anymore. How can I restore this? Do I need to use a live stick?
0
votes
1answer
88 views

Ubuntu server 14.4 not booting

After uninstalling gnome desktop,My ubuntu server not booting.I am getting the following error. I am new in ubuntu.please help me.
0
votes
2answers
1k views

Virtualbox Ubuntu Image Username / password

First of all I am totally new to Linux. I decided to load Ubuntu Linux on Virtualbox and found an ova file here: ...
0
votes
2answers
42 views

How can I boot to linux command line from GRUB? [duplicate]

I botched a gnome install on my virtual box and now when it boots it just hangs up at a black screen. I wante to get back into a command line and uninstall/reinstall gnome...
0
votes
0answers
35 views

Black screen when installing nVidia drivers (CTRL+Alt+F1) dosen't work either [duplicate]

i have Ubuntu 14.04 LTS amd64, and i just installed some nVidia drivers through the console. I rebooted the computer, only to find out that a black screen appeared, it even skipped the grub menu ...
2
votes
1answer
8k views

kernel panic-not syncing: VFS: unable to mount root fs on unknown block(0,2)

I'm so new to Linux and suddenly found the error message appear when i boot after i click install ubuntu Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,2)
1
vote
1answer
199 views

Kernel Panic - not syncing on Ubuntu 12.04

Yesterday I was updating my ubuntu from 10.04 to 12.04. I have a laptop, a compaq presario v6000, with that system only: One HD for Linux, no virtuabox, and so on. For update my Ubuntu I used the ...
0
votes
1answer
40 views

Not able to login into ubuntu 12.04

I am now using ubuntu 12.04. I have problem with login. It wait me for log time even though I have enter right password.And nothing happen after waiting. I try to login from guest account but same ...
-1
votes
1answer
177 views

ubuntu throws me back to login screen

When I try to login to my system I am automatically thrown back to the login screen.I tried ctrl+alt+f1 but I got an error named 'signature error' Please help.... I'm using Ubuntu ver 14.04
1
vote
1answer
689 views

Ati driver with HD7470M laptop screen backlight not working

I need to install the ATI proprietary driver on my laptop (Asus K54HR) as I use it for gaming. My problem is, it doesn't matter what I try, I have always the same result black screen and I have to ...

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