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.

learn more… | top users | synonyms (8)

0
votes
0answers
78 views

Computer crashing after a few minutes of logging in [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? I have a fresh install of 12.04.1 on my machine. It is constantly crashing after logging in. I noticed it crashed repeatedly when ...
2
votes
1answer
2k views

Can't boot 12.04 installed alongside Windows 7

I realize there are other questions like this one here, but I have visited them and tried several things and nothing is helping. One of them had a suggestion to boot the liveCD, and sudo mount ...
0
votes
1answer
575 views

I can't boot Windows 7 any more after dual booting it with Ubuntu. [duplicate]

Possible Duplicate: Can't boot into Win7 since Update to 12.04 I just recently installed Ubuntu 12.04 alongside with my Windows 7, and when I restarted my computer after the ...
0
votes
1answer
1k views

Ubuntu 12.04 update and graphics card update

I have recently updated my Dell M101z system to Ubuntu 12.04. But now there is some problem with the Videos. So I guess I need to update the graphics driver. I tried following command: sudo apt-get ...
0
votes
2answers
1k views

Autojump in 12.04 doesn't work

https://launchpad.net/ubuntu/+source/autojump I installed with apt-get, checked out the man page and added . /usr/share/autojump/autojump.sh to my .bashrc, like it says. When I cd around the ...
1
vote
0answers
62 views

Software Center is not opening or closing by itself [duplicate]

Possible Duplicate: How do I remove a malformed line from my sources.list? “Malformed line 6” error in my /etc/apt/sources.list My Software Center is not opening or closing ...
0
votes
1answer
2k views

How to set acpi=off for installation? [duplicate]

Possible Duplicate: How do I disable ACPI when booting? I'm trying to install Ubuntu 12.04 LTS 64bit from a USB created in Windows using the recommended software from pendrivelinux. The USB ...
0
votes
1answer
70 views

installing 12.04 failing

I just downloaded 12.04 burned it to a cd, and booted to into it on my last built computer. It loads a purple screen, then goes to a dos looking screen with a blinking cursor then loads the ubuntu ...
0
votes
1answer
11k views

Kworker consuming %100 CPU [duplicate]

Possible Duplicate: Kworker, what is it and why is it hogging so much CPU? I have a process, named kworker which is continuously consuming 100% of the CPU's computing capacity. I have tried ...
1
vote
1answer
2k views

Ubuntu 12.04 and KDE, graphical temperature monitor for GPU

I have ubuntu 12.04 and KDE. I already installed "lm-sensors", "hardware sensors indicator" and "Psensors" but none works well for me. I also know a couple of commands to find gpu temperature on ...
1
vote
0answers
316 views

Wireless Broadcom 4313 not working on Ubuntu 12.04 [duplicate]

Possible Duplicate: How to Install Broadcom Wireless card (BCM43XX) It seems a lot of people are having this problem, but none of the posted solutions have worked for me so far. My driver ...
0
votes
1answer
319 views

Ubuntu crashes at login screen [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? I'm completely new to Linux and wanted to give it a try. I installed Ubuntu using the windows installer. After rebooting the PC it ...
0
votes
0answers
546 views

Connecting KVM Virtual Machines to internet

So I finally ponied up the money, and bought a server that can actually handle virtualization. On my host machine, I have two static IP addresses, I installed Ubuntu, and followed the guide on ...
2
votes
1answer
122 views

Should switching users switch TTY as well?

In trying to troubleshoot user switching hangs and irregularity's I noticed if I log in as user A then switch to user B, and then press, (TTY7) will take me directly back to the unlock prompt for ...
1
vote
1answer
320 views

Cannot find network connection in KDE

I used network connection to connect to Internet (Dongle) which automatically detect my device in GNOME but when I Log off to KDE I cannot find networking connection and I cannot connect to Internet, ...
2
votes
2answers
2k views

Can connect to WiFi but cannot go on the Internet (Ubuntu 12.04)

I recently got myself a new HP Pavilion dm4-2102eo with a built-in Intel Centrino Wireless-N 1030 WiFi adapter. After messing a bit around with the partitions on the hard drive, I finally got to ...
3
votes
1answer
648 views

Why does Ubuntu, sometimes, fails to load?

I recently installed Ubuntu 12.04 LTS on my SONY VAIO VPCEH (with Windows 7 Home Basic previously installed). Sometimes when I boot in Ubuntu, following things happen: Ubuntu loading screen seems ...
2
votes
2answers
821 views

choppy streaming audio

I could use some help troubleshooting choppy streaming audio. The problem is jerky playback regardless of audio or video with audio. Both Chromium and Firefox have the problem, however files played ...
1
vote
1answer
3k views

Raid 1 can't install Ubuntu 12.04

I am trying to install Ubuntu desktop on HP Compaq 8000 from an Ubuntu live CD. I connected two disks in RAID, but in installation type, I can't select nothing.
0
votes
0answers
32 views

unmet dependencies+I cannot update anymore [duplicate]

Possible Duplicate: When trying to upgrade Kerberos development libraries, why do I get an “unmet dependencies” error? The following packages have unmet dependencies: ...
0
votes
2answers
555 views

Uninstalling/deleting Calligra

I am installed Calligra on Ubuntu 12.04, but I do not like it and now I want to uninstall it. I am installed unstable release with project-neon. I am tried to delete folder in /opt but I can not ...
2
votes
0answers
600 views

I can't set 1280x1024 resolution in 12.04

After installing a fresh Ubuntu 12.04 on my PC, Ubuntu can't detect my monitor which is a Phillips 190c 19". With 10.10, I used 1280x1024 and on Nvidia drivers I was able to see my monitor brand. ...
0
votes
1answer
207 views

Hard disk raid data lost after restart

I have Ubuntu 12.04 and two disks working via raid. In BIOS I have set them up to use raid. After I restart computer all data changes are lost. I had these drives in another computer, and they worked ...
1
vote
2answers
2k views

Installed thinkfan, should I keep it?

Well I did fixed my overheating problem on my Lenovo T500 with Ubuntu 12.04 LTS. At the same time I did install Thinkfan. But since I have a solution for overheating now, I would like to know if there ...
1
vote
2answers
3k views

12.04 does not detect wlan0(Broadcom 4365)

Installed 12.04 on dell inspiron 5420. wired connection is working however wifi and bluetooth connection does not work. In fact I can't see wlan0. Can I know the correct driver to install?
1
vote
1answer
459 views

g77-3.4 installed from Hardy repositories but

I need g77-3.4 and have installed it from hardy repositories on Ubuntu 12.04 but to compile a program after make command it returns g77: command not found this procedure have no problem on Ubuntu ...
3
votes
1answer
814 views

Install KDE 4.9 Plasma Netbook on 12.04

I'm curious about KDE 4.9, and I've seen that there's a desktop specially created for netbooks called Plasma Netbook or something like that so I wanted to try it out. Is there any way? I have ...
0
votes
1answer
2k views

KDE and Gnome option at Booting

Can I have selection menu of KDE and Gnome at log-on enabling to select which environment I want to boot into in Ubuntu 12.04
0
votes
0answers
52 views

Blank Screen on 12.04 [duplicate]

Possible Duplicate: My computer boots to a black screen, what options do I have to fix it? Can hit Ctrl-Alt-F1 and login but no fixes work. Tried nomodeset and everything else appears to ...
3
votes
3answers
433 views

Ubuntu doesn't start from USB after installation

My computer refuses to boot from the USB even after I change everything that I can possibly think of on my motherboard's BIOS. But I have booted from the USB twice in the past. The first time is when ...
2
votes
0answers
600 views

New to Ubuntu - 12.04.1 Kernel Panic on Installation [closed]

I'm a complete Ubuntu and even Linux newbie. I'm learning here, so I'm grateful for any info to help me learn more about this. I have a Dell Dimension 2400 with a Pentium 4 and 1GB of RAM. It's ...
2
votes
2answers
3k views

Problem with dpkg-preconfigure, how to correct?

I was trying to install TeamViewer, and I followed the instructions here even though they specify 11.10 instead of 12.04 (what I'm running). In particular, I executed. $ wget ...
4
votes
1answer
3k views

Wammu - USB Device Name?

I'm trying to get to my phone's filesystem through USB in Wammu, but I'm stuck in the configuration wizard when it asks for a USB device name. After about an hour of Internet searching, here are the ...
0
votes
2answers
686 views

Running gedit in background

So I've got this working in a 10.04 ubuntu OS in bash where I can run: $ gedit app/file.rb bash opens that file with gedit but it is tied up. How can I make my earlier command equivalent to $ ...
0
votes
1answer
769 views

external hard drive not detected after ubuntu crash [restarting machine]

today i tried to watch movie [with vlc media player] from my external hard drive [expansion portable 500 GB], and it's play good, then pause the movie and play it again, and my Ubuntu crashed! ...
3
votes
4answers
5k views

Why does DVD playback still not work after installing libdvdcss2?

I have installed libdvdcss2, but I still get this error when trying to play DVDs: libdvdread4 was installed by default (This is a new System76 Pangolin Performance). I ran the install-css.sh ...
2
votes
1answer
4k views

Problem with reformatting Sandisk read-only USB drive

I have a problem reformatting my USB drive. Its showing this error message whenever I try to reformat it using GParted: Parted 0.11.0 --enable-libparted-dmraid Libparted 2.3 Format /dev/sdb1 as ntfs ...
3
votes
1answer
4k views

Grub menu won't show after installation (two-disk)

I downloaded the Ubuntu 12.04 64bit and installed it on a 115GB partition next to a 15GB swap alongside Windows 7. I'm using a asus g73s. I have 2 drives: one with only Windows (500GB) and another ...
2
votes
1answer
530 views

why am i not able to add any ppa repositories?

karan@karan-HP-630-Notebook-PC:~$ sudo add-apt-repository ppa:danielrichter2007/grub-customizer You are about to add the following PPA to your system: This PPA contains the latest release of Grub ...
2
votes
2answers
92 views

I have to “stab” at the upper left corner to get launcher to appear

Running 12.04 LTS. This is extremely annoying and makes me want to try another flavor of Linux. Yes, this little inconvenience is that annoying to me. Most of the time the launcher will appear nice ...
3
votes
1answer
1k views

cannot log into Ubuntu 12.04.1 LTS after startup

I recently installed 64bit Ubuntu 12.04.1 LTS on my Inspiron 1720 laptop as a dual-boot with Windows 7. When I boot up Ubuntu, it gets to the log in screen just fine but after logging in it gets ...
0
votes
1answer
388 views

Empathy “Authentication failed” when connecting to Freenode

I have set up an IRC account in Empathy - the default server is, of course, Freenode. Empathy tries to connect and after a few moments reports, "Authentication failed". I have tried with and without ...
2
votes
3answers
3k views

Does the iPod Shuffle 4th Gen work well with Rhythmbox?

I'm thinking about getting an iPod Shuffle 4th gen., but if it doesn't work well with Ubuntu 12.04/Rhythmbox it's a no-go. Does anyone have any experiences with this combination? Thank you in ...
1
vote
2answers
221 views

Is the update for a point release automatic or should I download and install?

Through "System Settings" > "Details", it says Ubuntu 12.04. I saw that a new version of 12.04-12.04.1-have been released. Have "Update Manager" already update/upgrade my version? Or should I ...
0
votes
2answers
618 views

Laptop turns off upon high CPU usage with very busy fan noise

My Serval laptop (vendor's, System76's, website no longer has info) has suddenly started immediate turn-off power recently. It's happened at least twice in last 2 days. Any idea is appreciated and ...
3
votes
1answer
980 views

How to configure 5.1 Audio system for Realtek ALC861 sound card in UBUNTU 12.04?

I have already installed GNOME ALSA MIXER on Ubuntu. I did set all the parameters correctly. In Hardware settings, in the "choose a device to configure" section, it appeared as "Built in Audio - 1 ...
2
votes
1answer
1k views

Ubuntu 12.04 dual screen - live version OK but does not work after installation

I have a desktop machine, a bit old Intel Core 2 4400 (64bit), with nVidia GeForce 7900, two Iiyamas, one 2403, one 2202. The problem is that everything works fine under Live version -- the display ...
1
vote
0answers
366 views

Ubuntu Live CD installation hangs after typing username and password [closed]

I have a Vaio VGN-FJ270P/B laptop which originally installed a Windows XP professional in it. Last week, I had enough about the speed of Windows and bought a brand new fresh SSD [M5S 128GB] and 2 ...
1
vote
0answers
33 views

System locks up at login after latest update on 12.04 [duplicate]

Possible Duplicate: I can't boot into a usable system after updates. What should I do? For starters, I am a noob when it comes to Ubuntu and Linux but I am hopeful that I have the light ...
1
vote
2answers
146 views

No welcome sound on booting ubuntu 12.04 [duplicate]

My ubuntu 12.04 does'nt play any sound(welcome) on booting.