Linked Questions

0
votes
1answer
26 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
67 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
votes
1answer
224 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 ...
3
votes
1answer
2k views

Ubuntu won't start after updating nvidia drivers from X-swat PPA

I tried to update the nvidia drivers using: sudo add-apt-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update sudo apt-get install nvidia-current After this, I rebooted my pc, launch Ubuntu, ...
2
votes
0answers
547 views

How to Enter Recovery Mode from Grub

I have a dual boot installation with Windows 7 and Ubuntu 12.04 LTS. I am currently trying to solve this problem, where any mouse and keyboard input is ignored on the login screen. The apparently ...
0
votes
0answers
48 views

Blank screen after rebooting the computer. How to boot to command prompt to fix the problem? [duplicate]

I am new to Ubuntu. Please help me to fix the following problem. Problem: After installing the Ubuntu 13.10 Server and Ubuntu Desktop I experienced temporary and permanent hang several times so I ...
0
votes
1answer
54 views

How to boot to terminal (ubuntu 12.04/gtx660Ti)? [duplicate]

trying to install CUDA for my ubuntu 12.04LTS. Installed the NVIDIA drivers for GTX660Ti but haven't yet run the updates. The manual for CUDA says I should now move to a tty via Ctrl+Alt+F1 but that ...
2
votes
1answer
3k views

Ubuntu 13.10 : VirtualBox crash problem

I have VM running with following configurations: RAM : 1000MB Video Memory : 128MB Enabled : 3D accleration Guest OS : Ubuntu 13.10 (guest additions) However my ubuntu is not working fine. I login ...
0
votes
0answers
78 views

Change file system state in recovery mode [duplicate]

Sorry for the format, but im trying to do this on my smartphone since my ubuntu is down lol. I am trying to run the command sudo apt-get purge nvidia-current in the root shell prompt but I am getting ...
0
votes
1answer
588 views

Authenticate in ubuntu

I have a administrator privileges in Ubuntu 12.10 but when I try to install some applications Ubuntu requiere authentication, I write my password, but doesn't work somebody could help me?
0
votes
1answer
95 views

Is it possible than my user disappears from sudo?

That happened after I managed to install Virtual Box. I found a part of the answer here : http://ubuntuforums.org/showthread.php?t=1376802. I added my user to another group and then lost my user to ...
3
votes
2answers
1k views

Problem with OpenGL or Unity, need Gnome fallback mode

This question is in two parts, and I have been searching the web for days to find answers. With no luck I thought I'd drop by and ask for your help. Here goes: 1.) I'm running Ubuntu 13.04 and one ...
1
vote
1answer
8k views

How to change my password? [duplicate]

I installed Ubuntu 13.04 through wubi file, where we set username & passwd preinstalling of Ubuntu,but now I couldn't login with my username even though I typed the correct password, as it is ...
10
votes
2answers
26k views

SMBus/ BIOS error while booting Ubuntu 13.04 in VirtualBox

I am trying to boot Ubuntu 13.04 in VirtualBox, but every time I boot, I get an error that says "SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr". This happens right after I ...

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