Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Only use this tag if your question is version-specific.

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Need advice installing Ubuntu on 2nd storage drive for windows 7 computer

Basically I have 2 drives on my pc. One SSD with win 7 OS and most apps it would utilize. My 2nd drive is a 1TB SATA 3 that only has basically steam apps and a few odds and ends like downloads. I ...
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Dell Latitude D830 Driver Questions

A friend of my asked me to put Ubuntu 12.04 LTS onto his old Dell Latitude D830 Laptop. I installed the OS but I have a few problems. I have no idea how to install the graphic drivers and set it up ...
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287 views

ImportError: No module named unstable

I get the following error when I execute the gui.py script on my newly installed Ubuntu 12.04 LTS. Please help as I have recently started using Ubuntu, I am not too good at debugging yet. I get this ...
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2k views

Lenovo ThinkPad s440 network

Does anybody know how to configure Wi-Fi on a Lenovo ThinkPad s440 with Ubuntu 12.04 LTS? I can't configure it even with LAN. Wi-Fi is the first thing I need. I can't find any drivers for Linux. As ...
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74 views

Server disk encrpytion prevents connection after SSH remote reboot

newbie here. I am running Ubuntu Server 12.04 LTS on an old machine for a home server project using a static IP address. Running OpenSSH server on it enables me to connect remotely from my Windows7 ...
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Installing Ubuntu 12.04 / 13.10 on G505 laptop with AMD A4-5000

I've tried 6 different distros and I can't find anything that's stable with the G505 with AMD's a4-5000 kabini processor. In BOIS I have disabled secure boot, set OS to other, enabled SVM but left ...
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1answer
11k views

unable to load shared object wrong ELF class: ELFCLASS32

I have a linux server with x86_64. I'm compiling an R code that needs to load a bibliblioteca. When I run this code it displays the following error has Error in dyn.load ("functions.so"): Unable to ...
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Ubuntu Server 12.04: Bad archive mirror

I get stucked when installing Ubuntu Server 12.04 on my laptop. When it comes to "Choose a mirror of the Ubuntu archive", I get 'bad archive mirror' error. I've tried many times with other options ...
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245 views

please help asus f5rl wifi cannot connect

i am a newbie on ubuntu. here are the details Output of lspci: 00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC410 Host Bridge (rev 01) 00:01.0 PCI bridge: Advanced Micro Devices, Inc. ...
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2answers
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Upgrading from 12.04 to 12.10 not booting [duplicate]

I tried to upgrade from 12.04 to 12.10 as per the official documentation. When the system is rebooting, it showed as Ubuntu ( logo) and now in the blank black screen from past one hour. I tried to ...
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No Wireless in Dell Inspiron 1521 with 12.04

I recently bought a Dell Inspiron 15 3521 with Windows 8 pre-installed, and installed Ubuntu 12.04 on it. The wireless is not working on it. I have tried a lot of methods available at the forums, but ...
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2k views

Wubi is downloading file but I have full ISO [duplicate]

I have "ubuntu-12.04.2-desktop-amd64.iso" and my PC has Windows 8 installed. In my previous windows i.e "Windows 7" I used Wubi to install ubuntu 12.04.2 and installed and work correctly. Now I try to ...
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Dual Boot - Grub2 not detecting Ubuntu Server (10.4, 64 bit) after installing Ubuntu Desktop (12.04)

Requirement I have a computer which runs Ubuntu 10.4.3 (64 bit server) installed over LVM and /boot filesystem and I wanted it to dual boot to Ubuntu 12.04 (desktop, 32 bit). Completed Successfully: ...
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0answers
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E: Malformed line 57 in source list /etc/apt/sources.list (dist parse) [duplicate]

Hi guys I've just got this error message when i opened update manager: E: Malformed line 57 in source list /etc/apt/sources.list (dist parse) any ideas how to solve this problem?
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How can I delete my printer from Ubuntu?

Using 12.04 my printer a canon ip2600 will not print. SystemSettings/printers shows it as installed, connected to local host, enabled, accepting jobs, shared and allowing printing for everyone. Yet ...
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2answers
2k views

32-bit or 64-bit [duplicate]

I'm installing 12.04 on to my desktop. I just have a question on which version is better for my hardware. My specs are: Processor: Intel Core i5 2400 @ 3.10GHz Sandy Bridge 32nm Technology ...
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1answer
3k views

Error Creating .deb File of AMD Catalyst Driver

I was following the steps to install AMD Catalyst Driver from wiki.cchtml.com. While I was creating the .deb file the following error occured-- $ sudo sh ...
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1answer
4k views

problem with update of libreoffice

This is a problem: ~$ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct ...
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1answer
2k views

Can't boot into ubuntu after installing

I just installed Ubuntu at my HP Pavillion H8 computer with 8gb RAM and a Intel Core i7 CPU, and for some reason I can't boot into Ubuntu. When looking in the msconfig boot menu, the only OS listed is ...
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1answer
8k views

VirtualBox kernel modules do not match the version of VirtualBox

The VirtualBox 4.2.12 on Ubuntu 12.04 was running fine till I needed to install guest additon. After its installation: Failed to open a session for the VM Win 7 exit code 1; RTR3Init failed with ...
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1answer
677 views

KDE overrides lightdm logon screen [duplicate]

Possible Duplicate: How do I install KDE and retain LightDM as a login manager? I upgraded my KDE desktop and suddenly it overrode many parts of unity user interface such as menus, icons, ...
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1answer
1k views

Ubuntu 12.04 does not boot after installation appears to succeed

After successfully installing ubuntu 12.04 on a Sony VAIO SVE14115FN (E series) it's not booting up. Just displaying an error: "Operating System Not Loaded" Please help me in this.
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276 views

Error trying to upgrade from 10.04.4 to 12.04

Today i wanted to upgrade to 12.04 and I checked my update manager. But it it not showing the upgrade option. How can i upgrade? im using 10.04.4
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Installing Ubuntu 12.04 along Windows XP and Windows 7

I have Windows XP installed on C: drive and Windows 7 installed on F: drive. I want to install Ubuntu 12.04 along with Windows (keeping both XP and 7) in drive G: without losing any data stored in the ...
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2k views

Error in updating the system

Whenevr i try sudo apt-get update in the terminal it throws the following error:- Err http://archive.canonical.com precise InRelease Err http://archive.canonical.com precise Release.gpg Unable to ...
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421 views

gerrit push not working

I tried executing the command git push gerrit HEAD: refs/for/BR_PS_1109 It gave the response: fatal: remote part of refspec is not a valid name in HEAD: Git remote version is also fine, as evident ...
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2k views

Can't boot Windows XP after installing Ubuntu 12.04 [duplicate]

So I installed Ubuntu 12.04 alongside Windows XP, and I played with it for a like an hour. When I wanted to go back to Windows, I chose the Windows option in the GRUB screen. It just gives a black ...
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1answer
867 views

Nessus 5 installation not working

I downloaded the Ubuntu 11.10 / Ubuntu 12.04 (64 bits): Nessus-5.0.1-ubuntu1110_amd64.deb (25298 KB) from the following page:- http://www.tenable.com/products/nessus/select-your-operating-system ...
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1answer
1k views

Ubuntu 12.04.1 dual boot - boots directly to Windows 7

I wanted to install Ubuntu on my computer as second OS. I shrank the Windows partition and gave Ubuntu about 40Gb of space. After this I created a live USB having Ubuntu 12.04.1, and booted using the ...
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2answers
189 views

Switching from an Ubuntu derivative to original Ubuntu

I installed Zorin 6 (based on Ubuntu 12.04), because I like all the whistles it has (plymouth screen,compiz effects,installed codecs, sound themes, etc.). I miss though the modern and futuristic unity ...
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1k views

Mouse freezes after 20 minutes of use

I use 12.04 and an old HP Probook 4515s. Every time I start the PC, everything works fine but after about 20 minutes, my mouse freezes. Neither the PC nor any program works, just the cursor. What ...
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1k views

Computer boots directly to Windows after installing Ubuntu

I bought VAIO E14A16. I installed Ubuntu 12.04 along-side Windows 7(dual boot) from CD., When I reboot, it starts Windows 7 directly. If I press F11 it says no operating system found Where did I ...
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No sound Civ 5 and wine

I have installed Civilization 5 retail version with an update pack called update 7 via WINE and while the game runs well I am unable to get any sound working. I am running 12.04 and version 1.4 of ...
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1answer
679 views

Ubuntu thinks my desktop is a laptop [closed]

Ubuntu thinks my desktop is a laptop. I looked for answers on the interweb, but nada. I'm running 12.04.
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I can't install any software using software-center in 12.04 [duplicate]

Possible Duplicate: Software center not opening I can't install any software using software-center in 12.04, I just can install some sofware if I run software-center as root, I put some ...
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Ubuntu 12.04 NVIDIA GeForce Go 7600 black screen during boot

I'm using Ubuntu as the only operating system since two years. In the first Ubuntu versions I had seen my BIOS screen and the boot screens. Actually im using Ubuntu 12.04 and my screen stays black ...
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1answer
971 views

My computer's not starting up without the Ubuntu usb [duplicate]

Possible Duplicate: Can't boot without Flash Drive plugged in I installed Ubuntu 12.04 LTS in my Dell Inspiron 1545 from a usb stick but it is not booting up when I removed the usb ...
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1answer
3k views

Why nvidiabl module is not working in precise?

I've just installed nvidiabl module from https://github.com/downloads/guillaumezin/nvidiabl/nvidiabl-dkms_0.74_all.deb and screen brightness still is not changing. I have NVIDIA G210M, Precise amd64, ...
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2answers
9k views

Ubuntu hangs on booting up after a update

I've made a clean install yesterday, for the first time restarted, everything went good and then after I updated packages and copied my old home directory to replace the new one, when I restarted it ...
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1answer
283 views

Where is the problem?Workspace switching during bricscad drafting with zooming with mouse wheel!

Well, i am currently working with bricscad v12 for my 2D drawings, BUT i have a very annoying issue. When i am zooming too much in brics and working with an active command the workspace is changing. ...
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2answers
913 views

'Device not ready' to D-Link DFE-580TX Wired Network Adapters

My 3 Quad port network adapters can be recognised when I write the 'ifconfig' command, but they all seem to be in 'Device not ready' state when I click on the networking tab at the toolbar (please see ...
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1answer
713 views

Second click on a launcher icon with more than one window open doesn't do a scale of that application [closed]

If I click an icon in the launcher with multiple windows open it doesn't show me all open windows for that application (like ctrl+w does for all open windows). I seem to remember it working as ...
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3answers
4k views

How do I get a Huawei E1550 dongle working?

I need help making my E1550 dongle work on Ubuntu 12.04. When I connect the dongle to my laptop, it is recognized by the Network-Manager and is listed as one of the options. But each time I try to ...
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1answer
4k views

Can not get passed the login screen

I have the same issue as others (see Login returns to login screen [closed]). When I arrived at the login screen, I enter my password, the screen goes black for one second, displaying some text, and ...
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How to switch between GPU's on HP Pavilion DV7 Laptop?

I have two GPUs in my HP DV7 Laptol and I wonder how to switch GPU I'm using at the moment? I have ATI Radeon HD 4200M and ATI Radeon HD 6600M running on my laptop and I want to change from HD 4200M ...
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6answers
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Ubuntu 12.04 installation CD is not booting?

I am using Ubuntu 8.10 and want to upgrade it to 12.04. I have downloaded 12.04 from the Ubuntu site and burned as ISO image CD in a DVD (because it is 701.3MB). When I insert this DVD into my ...
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3answers
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Corrupted file Ubuntu OS download (11.10 & 12.4)

Two time I tried to download Ubuntu 11.10 version and 12.04 version. but both files are corrupted, unable to install. When I install Ubuntu 11.10, after 5 minutes it shows file missing, unable to ...
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4k views

Which Canon flatbed scanners are supported in 12.04?

How do I find out which Canon flatbed scanners are supported in Ubuntu 12.04? Specifically I need to know if the Canon LiDE 110 is supported?
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Unity-Greeter not showing personal wallpaper [duplicate]

Possible Duplicate: How do I add customized wallpapers so they appear in the dynamic unity greeter? I did a fresh install of ubuntu 12.04 64bit and for some reason my personal wallpaper is ...
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3answers
580 views

Upgrade from 11.10 to 12.04 stalled

I've been trying to upgrade from 11.10 to 12.04 using the update manager. Everything went fine at first, and I haven't gotten any errors, but the progress has been stopped at "Preparing to configure ...