Commonly used to refer to unresponsive computers. If your software is freezing then you likely need to file a bug, as freeze problems are usually off topic here and will likely be closed.

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Screenshooter hangs XFCE4

Several times over the last 48 hours I have had to reboot my way out of an XFCE4 hang where the mouse and keyboard cease responding in the GUI. A pattern has emerged whereby this happens just after I ...
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1answer
22 views

Unexpected system freezes

The title is pretty self-explanatory: every once in a while, my system (14.04 x64) freezes: the mouse isn't moving, REISUB does nothing and all I can do is cut off the power supply. I guess this can ...
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1answer
17 views

Chromium freezes after resuming from standby (Kubuntu 14.04)

Every time my laptop resumes from standby the Chromium browser becomes frozen. Graphically, it means that it leaves an unresponsive black square on the desktop. Sometimes, but not always it would ...
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1answer
33 views

Ubuntu Freezes while using terminal and firefox

Hi I am extremely new to programming. I downloaded Ubuntu 14.0 and it keeps freezing while I am using firefox and while using the terminal. I would really like for someone to give me some insight into ...
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21 views

Mouse problems on 14.04

I am new to Ubuntu Just installed Ubuntu 32 bit (Dual boot with windows 7 32 bit) and found that my touchpad is not working and there is no cursor is displayed on the screen, it comes only when ...
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31 views

Software Center Crash 14.04

Every time I open the Software Center it opens and freezes for about 3 seconds, then it just closes. I have tried an update command line, but it didn't work. Any Ideas? Also, I keep getting an error ...
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1answer
146 views

Ubuntu 14.04 freezes!

I installed Ubuntu 14.04 LTS 64bit on my PC. After I've installed nVidia drivers (recommended) to solve the problem of the cursor that vanishes, Ubuntu freezes randomly when I'm working, I mean that ...
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83 views

Ubuntu 14.04 freeze - Kernel panic & Fatal Machine Check

I've got HP ProBook 470 G0 and Ubuntu 14.04 64-bit. Originally, it was preinstalled with Linux SUSE Enterprise but I've erased and installed Ubuntu 14.04 (it was Alpha that time). Laptop was randomly ...
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1answer
26 views

14.04 only works through recovery though badly

since I upgraded from 12.04 to 14.04 I can't boot in any other mode than through recovery mode. If I don't, the mouse hardly works then freezes, same for keyboard. Still, after using the recovery mode ...
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10 views

Synaptic freezes at start

this is a fresh install of Ubuntu 14.04, using Gnome Flashback Mode. Synaptic made problems from the beginning, directly after its installation. Ubuntu 12.04, which is installed in parallel, never ...
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1answer
30 views

Brightness change freezes Ubuntu with Noveau and Nvidia drivers

Both Nvidia and Noveau were working fine before my bios update and now they both crash when I change the brightness. Integrated still works fine with brightness and I've tried several Nvidia drivers ...
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44 views

computer freezes on password prompt after upgrading to 14.04

First, I should say that I am a total beginner. When answering, please do not take for granted that I understand even the most basic step. Yesterday, I was given the option to update to ubuntu 14.04. ...
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16 views

Edubuntu 12.04 freezes at login window

I upgraded my edubuntu distribution to 12.04 and when I got to the last step, which was to remove no longer needed packages, I skipped it and continued. My computer restarted as it should but once it ...
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13 views

Weird screen freeezes when trying to boot after installation

http://youtu.be/GtpqAzzL-XM I just installed Ubuntu on an old computer and whenever I boot it this happens. If someone could help that would be great. THanks!
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11 views

Xubuntu Freeze/Crash when playing Minecraft [closed]

I've recently been having a problem where Minecraft and other graphic intensive games seem to lag out or crash Xubuntu 13.10 after playing for 10 or so minutes. I previously encountered this problem a ...
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64 views

ubuntu 14.10 flicker and freeze [on hold]

I just upgraded to 14.04 from 13.04. I thought the flicker I experienced using 13.04 would go away when I upgraded. It did, but only temporarily. I've done everything I can think of, read all the ...
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12 views

DV6000 screen freezing after usb boot when upgrading to trusty 14.04 LTS

I love ubuntu but can't seem to get around this initial issue. I want to use it already haha but I'm a noob can U guys help? Spex HP Pavilion Entertainment PC-widescreen dv6000 Nvida grafix
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13 views

Ubuntu 14.04 freezes after it goes to sleep

Whenever I leave my laptop idle for more than an hour it freezes. The mouse pointer disappears. However the keyboard and the power button works. And because of that I am able to safely shutdown my ...
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45 views

Ubuntu freezes and never launched again

My problem is while i surfing on internet ubuntu freezes. I can't get any response. Even num-lock is not working. Then i press power button 5 sec and restart ubuntu. it doesn't launch. Screen stays in ...
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18 views

Installer freezes at Starting udev log

I'm trying to install (also tried to boot as LiveCD, to no avail, the very same thing happens) Ubuntu 14.04 on an old computer of mine (I'm not sure how old it is exactly, but may well be over 10 ...
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8 views

Jailkit freezing

I'm trying to jail ssh users on my Ubuntu 14.04 server. So after installing Jailkit version 2.17 (with the help of this tutorial) I'm now trying to follow this AskUbuntu answer to use Jailkit. After ...
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26 views

Skype video freeze

Ubuntu 12.04 been skype(ing) with skype version 4.2something and its been fine, Had an an email from skype saying that I needed to update to new version skype-ubuntu-precise_4.3.0.37-1_i386.deb if I ...
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3answers
6k views

Computer freezing on almost full RAM, possibly disk cache problem

The problem I think is somewhat similar to this thread. It doesn't matter if I have swap enabled or disabled, whenever the real used RAM amount starts going close to maximum and there is almost no ...
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1answer
65 views

Ubuntu 12.04 freezes a lot

I have a desktop with Ubuntu 12.04 with Unity, fresh install about a year ago. Details: Intel Core i5-3570K CPU @ 3.40GHz × 4, 4Gb RAM, 2 Tb HD, 64-bit Ubuntu 12.04.5 LTS Kernel: 3.5.0-54-generic ...
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9 views

My keyboard freezes

while typing in Unity Dashboard, my keyboard froze for 4-5 seconds. This never happened with my earlier experience with Ubuntu. i am using Nvidia quadro 600 card. could anyone help me with this ...
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1answer
44 views

Ubuntu 14.04 Freeze i/o error

I have installed ubuntu 14.04 and I have been getting periodic system hangups and freezes. When I press F1 it will display i/o errors and sometimes display "Failed Command: Read FPDMA Queued." What ...
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1answer
44 views

Browser freezes frequently. Will it be a swap problem?

I am facing a problem with very slow browser apps, Wine games and Unity. I am using Ubuntu 14.04 on my Sandisk Cruzer 32GB flash drive. I have N53SV Laptop with 16 GB RAM and an nVidia card, and ...
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64 views

Suspend and hibernate not working and freezing Ubuntu 14.04

I've just upgraded to ubuntu 14.04 and had some problems with suspend and hibernate. When I try to wake up from suspend the screen freezes on the login and the only thing that I can do is move the ...
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1answer
81 views

14.04 freezes after splash | Immediately after installing updates

Laptop is a Dell XPS 14 (L421x). i7 3517u with Nvidia GT630m, 14.04 LTS. I am using Intel graphics drivers for Linux, I don't remember if I used Nvidia drivers or not. Got prompted for updates last ...
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33 views

screen freezes and looks scrambled after log in

I just installed ubuntu 14.04.1 on one of my machines and the install was pretty smooth utill after I was done and it was time for me to log in. As soon as I logged in the screen freezes and looked ...
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0answers
102 views

Ubuntu 14.04 freezes after login - no GUI, only mouse and default wallpaper

I am re-installing as we speak. I have a problem that keeps recurring: I'm running Chrubuntu on an Acer C720... When Ubuntu first froze with a blank screen, after login, with just a mouse and ...
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31 views

ubuntu 12.04 becomes unresponsive

I have installed Ubuntu 12.04 LTS on my Lenevo B490. System: Intel® Core™ i3-3110M CPU @ 2.40GHz × 4 Memory: 3.5GiB OS Type: 32-bit Disk: 305.8 GB It's a dual boot with Windows 7 and Ubuntu. Of ...
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2answers
45 views

Problem while browsing

I have Ubuntu 14.04 installed on my PC with 2+ Ghz processing speeds and 4gb RAM. While I'm browsing on using Firefox, the browser suddenly gets dim and then bright. It happened multiple times. While ...
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63 views

Apple Magic Mouse Bluetooth in Dell XPS 13 Ubuntu 14.04 randomly freeze and reconnect automatically

Environment: - Dell XPS 13-9333 - Apple Magic Mouse - Ubuntu 14.04.1 LTS 64bit - Kernel 3.16.0-031600rc7-generic,and latest update 14.04, kernel 3.13.0-30.55 - Linux-firmware 1.127.5, # dmesg ...
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4answers
5k views

Keyboard freezes / stuck if a key pressed repeatedly

I use Acer 4530. This problem has happened long since Ubuntu 10.10 and now that I use 11.04 dual booted with Linux Mint 10. Everytime I press one key repeatedly, like when I read a long article in a ...
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2answers
4k views

13.10 hangs on waking from suspend except when suspended from console

I know waking from suspend is an issue, but this looks like a separate bug. When I suspend 13.10 on HP Pavillion dv6 (AMD 6770M/fglrx 13.10.10) from x, it suspends normally but freezes when waking. I ...
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1answer
168 views

Lubuntu 14.04.1 Fresh Install Won't Boot: runaway loop, USB

I have a fresh install of Ubuntu 14.04.1. I tried to boot into it several times, waiting >4 minutes each time, and saw only a fat blinking cursor in the upper left. I chrooted into the OS from a ...
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42 views

Ubuntu 14.04 freezing when logging on

Hello I am new to Ubuntu. I have created a bootable pendrive and succesfully replaced XP with ubuntu on a PC. I logged on fine and was exploring but when I started firefox the whole system froze, ...
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1answer
58 views

Directly shut down

I am using Ubuntu 12.04, which is installed on Intel core i3 laptop. Sometimes it hangs fully and don't respond at all. In this situation, I shut it down directly 5 times (total after ...
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0answers
133 views

Ubuntu 14.04.1 LTS crashes on GeForce 9400 motherboard

I installed the latest Ubuntu 14.04.1 LTS Desktop on a PC equipped with a GeForce 9400 motherboard with 8 GB of RAM and Intel Core2 Duo E7500 @2.93 GHz. This motherboard uses a part of the main memory ...
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0answers
30 views

Desktop freezes for a few seconds

When I press on settings or sound settings, my whole desktop freezes for like 2 - 3 seconds. I own msi fx600 laptop with intel hd graphics and nvidia 325m graphics and I use x.org xserver drivers Any ...
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33 views

Ubuntu 12.04 freezes when switching to lightdm

I was changing the theme in my Ubuntu 12.04 to Mac OS theme, constantly installing, logging in and out, rebooting when trying to fix things along the way. While I was doing a reboot, it froze, for the ...
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1answer
21 views

Audacity Stop Record Freeze

As the title reads, after recording audio, and pressing the stop button, audacity freezes. This doesn't appear to happen all the time, but when it does I terminate Audacity and then recover project ...
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0answers
27 views

Ubunut 14.04 freezing nothing in syslog?

I am running Ubunut 14.04. Recently and not exactly sure when it started, my Ubunutu has been freezing. Everything becomes unresponsive and just hangs. I cannot get into any other tty, and nautilus ...
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60 views

Ubuntu 14.04 LTS freezes on restart

I am pretty new to Ubuntu. I just installed 14.04 on my Dell M4600 a few days ago. I noticed during the install, when it said remove installation media and press enter, it froze after I pressed enter. ...
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62 views

Ubuntu 14.04 as dom0 for xen 4.4 hangs on boot

I am trying to install Xen on a fresh install of Ubuntu 14.04 LTS. However, after I install xen-hypervisor-amd64, the system does not boot anymore, it hangs at this screen: If I boot it without Xen, ...
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1answer
92 views

Ubuntu 14.04 (cinnamon desktop) freezing, typically when using terminal

This is really strange, but frequently, Ubuntu freezes when I'm trying to enter (even basic) commands in the terminal. It does randomly happen when opening programs like Chrome as well. It freezes for ...
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20 views

the system freezes: black screen with color blocks

the system freezes randomly and the screen turns black, with a lot of color blocks flashing. I just can turn off the computer with the power button. I'm working with a laptop Dell studio 1558, i5 ...
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0answers
55 views

Ubuntu update caused system to freeze on boot at purple screen. Recovery mode fails and brings up BusyBox

I've searched through existing questions, but nothing addresses my problem. My system running Ubuntu 14.04 went through a partial-update a few days ago. Ever since, my system will not boot. It ...
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49 views

Latest Linux systems constantly freezing

Before I begin, I should clarify that this issue does not happen only with Ubuntu 14.04, but with Elementary OS Luna and Debian 7 as well. To make the story short, Debian froze from the installation ...