Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Will go End Of Life (EOL) April 2017. Only use this tag if your question is version-specific.

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1answer
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12.04 Unity 3D 80% CPU load with Compiz

EDIT : I have been able to to determine that the problem is not compiz, but is actually Xorg. I don't know why, but by quickly maximizing terminal and taking a screenshot with top running before the ...
1
vote
1answer
466 views

Why does the optirun command shut down my computer?

I'm running Ubuntu 12.04 64bit on the Ivy Bridge Sony Vaio S. I installed bumblebee for nvidia-optimus support. Everything seemed to install fine, but if I use a command like: optirun firefox my ...
2
votes
1answer
11k views

Laptop with Ubuntu 12.04, connected to television with hdmi-cable wont show any content from pc on televison. Nothing happens

I have a laptop with Ubuntu 12.04. I have connected my laptop with my HDMI cable to the television. But unlike in Windows 7, I cant find HDMI as an output anywhere in the settings, neither for video ...
2
votes
2answers
945 views

External USB hard drive makes noises when the computer is turned off [closed]

I have an external USB hard drive of 500GB. I can't tell what model it is exactly, as nothing specific is written on it and I don't have the box anymore. I use it as a backup disk. It works absolutely ...
1
vote
2answers
17k views

Unity launcher doesn't appear in VNC session

I'd like to have a unity desktop accessible via VNC on a precise server machine I have running. I installed the ubuntu-desktop package. I'm launching a VNC session with the following in my ~/.vnc/...
3
votes
2answers
3k views

Keyboard layout always resets to US on reboot

So, on each reboot my keyboard always resets to US! sudo dpkg-reconfigure keyboard-configuration gives temporary relief. Is there a way to make it permanent? I tried: sudo dpkg-reconfigure console-...
0
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3answers
2k views

how to install the Intel 82845G Graphics controller Ubuntu 12.04

in the page : http://downloadcenter.intel.com/SearchResult.aspx?lang=eng&ProductFamily=Graphics&ProductLine=Desktop+graphics+drivers&ProductProduct=Intel%c2%ae+82845G+Graphics+Controller ...
1
vote
1answer
278 views

Can I patch the PPC 12.04 kernel to allow older ATI drivers to install?

Right now, with a PowerMac G5, the only way to install the graphics driver from the ATI binaries would be to patch the kernel, for my Radeon 9600 is only supported with the 9.3 installer, while the 12....
0
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0answers
3k views

Ubuntu 32bit vs 64bit [duplicate]

Possible Duplicate: What is the difference between 32-bit and 64-bit and which should I choose? According to my specs, would 32bit Ubuntu 12.04 be better? Intel Core i5 470UM Dual Core ...
3
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1answer
156 views

Ubuntu 12.04 installation freezes at 64%

I have now tried five times it install Ubuntu. Once in normal mode, three times in demo mode, and one in Safe graphic mode, but they all freeze at 64%.
2
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2answers
1k views

Bash script not working as required with xbindkeys

I made a simple bash script to display a notification whenever my capslock key is pressed. It works fine when I call it like bash capsnotify.sh. The problem now is when I bind my above script to ...
0
votes
2answers
495 views

How to Uninstall / Remove Ubuntu 12.04 from Live Media

I need to uninstall and reinstall Ubuntu, but when I open it, the only options that come up are Demo mode and Learn more, nothing about Uninstalling.
2
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1answer
282 views

Brightness adjustment impossible after hibernation (MacbookAir 3.2, Ubuntu 12.04)

After waking my computer up from hibernation (close lid, open lid) I loose the ability to adjust the brightness with the F-keys and in the settings. It's the only problem I have with ubuntu on my ...
4
votes
3answers
13k views

What are some alternatives to jDownloader for 12.04? [duplicate]

Possible Duplicate: Is there some application to download files from popular file hosting websites? I just added the JDownloader PPA and installed the app but when I launch the app I get a ...
10
votes
3answers
26k views

Cannot login to newly created user account

Trying to switch accounts to my newly created account I get a black screen and then it takes me back to the main login screen after entering the correct password. Upon logging into my previously ...
2
votes
6answers
6k views

Can't get Graphics to work on HP Pavilion G6

I have this crappy HP Pavilion G6 laptop (no other choice, provided by office) which is having troubles dealing with graphics (Ubuntu 12.04 LTS). Details of the machine: Its having a ATI Radeon ...
6
votes
3answers
36k views

Tried to boot Ubuntu, but the GRUB rescue shows up instead

Tried to boot Ubuntu, but something like this shows up instead:
2
votes
0answers
352 views

My intel hd 3000 + core i3 processor is performing really bad [closed]

I've used Ubuntu before on my old laptop, sporitng an AMD V-series CPU and a mobile radeon 4250, both really bad compared to my laptop now. However, with ubuntu on both computers, my old laptop ...
1
vote
1answer
579 views

Unable to start Ubuntu 12.04. The system is running in low-graphics

I am a newbie to Ubuntu. I installed Ubuntu 12.04 using a USB Stick and it was running all fine for a few weeks and this error popped up. According to one of my friend, the best way was to re-install ...
1
vote
3answers
7k views

How to install Honeyd in Ubuntu?

I am using Ubuntu 12.04 in VMware. I have to test the working of honeyd. Suggest me the exact step by step installation process of Honeyd in Ubuntu.
0
votes
1answer
221 views

Partition listed as read-only but isn't!

I have a 2GB external drive which it appears Nautilus thinks is read-only; but it isn't! Basically I cannot add files and folders by right-clicking. I have tried restarting and it doesn't help. I can ...
2
votes
4answers
6k views

Why is my fresh install of 12.04 running slow?

Hey guys I'm a new linux user, I figured it would be the best for the laptop I just purchased because it's said to be faster than Windows 7. I'm currently dual-booting with Windows 7 Professial and ...
24
votes
3answers
57k views

Network manager indicator missing

I recently upgraded from 11.10 to 12.04. My first attempt failed, and I received an error stating that not all of the required packages were downloaded. Before (successfully) attempting again, I ...
0
votes
2answers
2k views

12.04 LTS boot hangs at “SP5100 TCO timer: mmio address 0xfec000f0 already in use”, didn't yesterday [closed]

Dual-booting Windows 7 and Ubuntu 12.04 LTS. I went to reboot from Win to Ubu, and found a few interesting things. My POST screen is covered in blocks of epileptic colors until I hit GRUB, which ...
0
votes
2answers
529 views

Playback on Mythbuntu with nvidia graphic adapter is showing moderate tearing, and doesn't cover Unity

Since upgrading to Mythbunu 12.04 and Mythtv 0.25, my playback has been showing tearing and also the Unity top panel plus the Unity Launcher overlay the screen. Is there a way to fix this?
0
votes
1answer
5k views

ATI-Radeon 9600 Driver is not installing: 12.04 LTS

Just a heads up, everything here is being done in Ubuntu, just because I already had a PPC disk. Later when I have a better internet connection, I'll use Lubuntu, but this was quicker. I have a ...
2
votes
2answers
2k views

No useful DVB-T card found

I am using Ubuntu 12.04 with 3.2.0-26 kernel and I just added a DVB-T card. I installed the media_build as shown in this page. After that the Restricted Drivers appeared on the screen I installed the ...
0
votes
1answer
185 views

Please Help! Ubuntu 12.04 suddenly doesn't start after I tried to install a software. [duplicate]

Possible Duplicate: Unity doesn't load, no Launcher, no Dash appears I have been using Ubuntu 12.04 for a few days now. It worked perfectly until today, when I tried to do the following: ...
1
vote
1answer
244 views

Window buttons do not belong to the top window?

Sometimes in Ubuntu 12.04 (no modifications), when application X is on top of the screen (i.e. it is the window that I see), the close and minimise buttons are not from application X. Thus, when I ...
3
votes
7answers
16k views

Dual boot Installation of Ubuntu 12.04 LTS on HP Ultrabook ENVY-4 1002TX

I have purchased a HP Ultrabook ENVY-4 1002TX with 500GB HDD +32GB SSD. It came preinstalled with Windows 7. I tried installing Ubuntu 12.04 through a USB stick. It boots up ok, but during ...
2
votes
1answer
1k views

How to center date time in top panel?

I'm running 12.04 with Gnome. If needed, I can switch to Unity to do the fix. I've got 2 desktops running 12.04. One has the current date/time with the icons at the upper right(default). The ...
1
vote
1answer
200 views

System resets to login screen spontaneously

Now I'm experiencing spontaneous resets of the desktop environment (when logged in and working normally), where the screen will go black, then reset to the login screen. The resets appear to be ...
1
vote
2answers
2k views

No wireless network recognized on a Dell Vostro 3560

I just installed Ubuntu 12.04 along with Windows 7 on the same laptop - Dell Vostro 3560. Now, on Windows 7 I can access to different wi-fi networks. However, when I am logging onto the Ubuntu ...
1
vote
0answers
279 views

How to flush the Empathy stored passwords?

I recently changed my Google Talk password, which causes Empathy to prompt for the new one. When I enter it, everything works fine. However, after a reboot (or desktop environment reset) it will ...
5
votes
0answers
284 views

What happened to the Ubuntu Chromium project? [duplicate]

Possible Duplicate: Does someone know why the Chromium daily package isn't build anymore? What has happened to the Ubuntu Chromium project at https://launchpad.net/chromium-project? There ...
1
vote
1answer
1k views

Ubuntu 12.04 64x Alert Sounds dont work

When using Ubuntu 12.04 i've aquired the need to use the system Alert Sounds. I've been trying to make my SSH Shell play Alert Beeps ( "\a" ) back to me, but to no avail, I finally figured out that ...
0
votes
4answers
485 views

Installing 12.04 on a system already running Ubuntu/Windows 7 dual boot help

I'm currently running Ubuntu 12.04 (10GB) and Windows 7 (450GB) in a dual boot configuration. I also have about 10GB of a partition for ASUS recovery, but I doubt I need it. I love Ubuntu so much that ...
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votes
1answer
3k views

Why can I no longer install Synaptic in 12.04?

In Ubuntu 12.04, you have suggested installing the Synaptic Package Manager with sudo apt-get install synaptic which didn't work for me. I tried sudo apt-get upgrade and also sudo apt-get update, but ...
2
votes
2answers
1k views

Software to draw signals, time-diagrams, etc for electronics?

I am looking a tool to draw signal, time diagram etc. Are there any software wcih is available in Ubuntu 12.04 ? Signal can be various : triangle square etc.
5
votes
4answers
6k views

How to debug slow session start of Gnome 3?

After Upgrade from 11.10 to 12.04, the login process of Gnome 3 is extremely slow (It takes in the order of 60 seconds when it was in the order of a few seconds before the upgrade (Harddisk is a SSD!))...
3
votes
1answer
1k views

Ubuntu and bumblebee and intel problem

I have a brain teaser that i can't solve. When 12.04 (64bits) came out, i did a fresh install and then installed bumblebee with: sudo add-apt-repository ppa:bumblebee/stable sudo apt-get install ...
0
votes
1answer
958 views

Canon printer won't print some black part

I have a Canon i560 installed on an ubuntu 12.04. When I print the print test page, the "ubuntu" brand name which is black and the black circles don't appear. But the black text in the lower part and ...
4
votes
0answers
2k views

Why does Firefox and Chrome keep crashing? [closed]

I did a fresh install of Ubuntu, installing 12.04. For a week or so everything was fine then the browsers kept crashing. Chrome constantly keeps giving me the "aw snap" window, there is no ...
3
votes
2answers
9k views

How do I install Broadcom's firmware for a PowerPC?

I'm running 12.04 LTS on a PowerMac G5 and I have one problem. My wireless PCI card has my "Firmware Missing". I already know about Broadcom's poor wireless support with Ubuntu, and it's b43 however ...
0
votes
1answer
2k views

Kernel upgrade breaks Asus USB-N13 WiFi card Ubuntu 12.04

I compiled and installed USB-N13 wifi drivers using dkms. Everything was fine with the WiFi and I also had 1 successful kernel upgrade(3.2.0-24). Since kernel version 3.2.0-25 (and recently 3.2.0-26) ...
0
votes
2answers
771 views

HP laserjet p1006 stopped working after updates

I deleted the printer and installed hplip from Ubuntu software centre. Got error message: Stopped Backend/usr/lib/cups/backend/hp does not exist I removed and reinstalled hplip. Now the printer ...
0
votes
1answer
1k views

Mouse and keyboard focus problem

I have two Chrome windows side by side. I click a link in window#1, ok. Now I want to switch to window#2 and click anywhere in the window. Noting happens. Sometimes the cursor switch to make-bigger-...
3
votes
1answer
13k views

Import OpenVPN client config in GnomeShell w/ network-manager

I have Ubuntu 12.04 and I've imported OpenVPN configs into network manager in the past with previous versions of Ubuntu and gnome. I have a new OpenVPN config and would like to import it, but can't ...
7
votes
4answers
21k views

Problems, connecting Android ICS to Ubuntu using MTP

I've followed this tutorial from this blog which very clearly explains how to connect Android phone with ICS to Ubuntu so that one can access phone's sdcard (MTP access). I passed all the procedure ...
1
vote
1answer
1k views

How can I repair the whole system knowing that I have Ubuntu 12 LTS upgraded from Ubuntu 11

I think that Ubuntu is not stable at all for a beginner or a normal user. All the time there are errors and problems, bugs need to be fixed and reports sent. Now .. when I tried to manipulate the ...