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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Ubuntu 14.10 screen freeze randomly

The Ubuntu is installed to Dell Vostro 3460 with nVidia GT630M graphhics card. Screen freeze randomly when using touch pad, and to fast "unfreeze" the screen I've to switch to console terminal ...
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237 views

Firefox keeps freezing after upgrade to v35 on Ubuntu 14.10

After upgrading to Firefox 35 on Ubuntu 14.10, I keep experiencing browser freezing every time when I open a new tab, especially when I type in the address bar. The memory usage surges dramatically ...
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83 views

after 14.10 upgrade x session locks after resume or vt switch

Since upgrading from Ubuntu desktop to 14.04 to 14.10, I am having an issue with with my X session becoming unresponsive when resuming from suspend or switching virtual terminals. It occurs with ...
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91 views

Display freezes temporarily with nvidia drivers on 14.04

I'm having a problem with my ubuntu 14.04 LTS laptop, with nvidia drivers. Every so often the display freezes. There doesn’t seem to be any pattern to it and the computer keeps running fine. I can ...
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73 views

Google Chrome slowdown after some time

I'm running Google Chrome on Xubuntu 14.04. After some time, maybe couple of hours or half an hour (I don't on what it depends) it's starting to freeze. It's almost impossible to use it, cause every ...
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492 views

Ubuntu 14.10 freeze after login

I just upgraded an Intel® Core™ i5-2500K Desktop from 14.04 to 14.10 System is multi-user/multi-language. following the upgrade, I managed to log-in with the only Sudoer user, had a "restart ...
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47 views

Ubuntu 14.10 hangs for 10 minutes before halt at shutdown

I am running Ubuntu 14.10, and for the last few days when I have asked my computer shut down and it has got to the stage in the shut down where it has killed all my processes etc and is about to say ...
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68 views

Unity freezes when closing or minimizing a window

On a very fresh install of Ubuntu 14.04, it sometimes happens that when I close or minimize a window, Unity freezes. I can not interact with the panel or any application, only move the mouse around. A ...
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49 views

Frozen screen and odd lines on it

I own a Dell Inspiron N4050 running with Ubuntu 12.04. It's been a while that my laptop's screen get frozen randomly. When it does, a lot of lines appear on the screen (as you can see on the photo). I ...
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15 views

After I Select: 'Start or Install Ubuntu' or wait the 5 secs for auto installation the computer stalls

Hi I am trying to install ubuntu on an old dell computer using a usb stick. After I Select: 'Start or Install Ubuntu' or wait the 5 secs for auto installation the computer stalls. I gather getting ...
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57 views

Ubuntu (14.04) freezes on laptop when disconnected from power

I have Ubuntu 14.04.1 installed along windows 7 (dual boot). My laptop is a HP Compaq 6710b which has an Intel CPU and an Intel graphics card. When I boot my laptop on the power adapter, no problems ...
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45 views

Ubuntu (14.04) freezes on laptop when power not inserted

I use Linux Mint 17 Qiana (on Ubuntu 14.04.1). My laptop is a Dell Inspiron M5110 which has an AMD CPU and an AMD graphics card. When I boot my laptop on battery, no problems occur. When I boot my ...
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94 views

Why does my 14.04.1 hang up after login - on vm fusion and virtualbox vms?

I run 14.04.1 (upgrade from 13.10) on a MBP (2011) running VM Fusion 7.1.0. I used the vm on Monday (12/15/2014). Just before shutting down, I OK'd a software update. When I tried to use the vm ...
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40 views

Ubuntu 14.04 Incorrect Aspect Ratio for Monitor

I recently bought an SSD and added it to my system to install Ubuntu on. Below are the specs of my system. Intel i7 3770k @ 4.5 GHz 16GB RAM EVGA NVIDIA GeForce 660Ti The issue I am having is that ...
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245 views

Youtube freeze - Chromium/38.0.2125.111 - Ubuntu 14.04.1

This is very similar (but not exactly the same) as 529753 because not only does the Youtube fullscreen freeze Chromium, it also completely freezes after few minutes not in fullscreen mode. Symptoms: ...
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65 views

Mysterious crashes/freezes in Ubuntu 12.04

I am using 64 bit Ubuntu 12.04 for last two years. Machine is slightly older 3 years or so. No hardware changes to machine - even using same mouse and keyboard. I keep service packs up to date. No ...
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20 views

Screen colors at the beginning

My PC has a mother P5N-MX with Nvidia geforce 7050 integrated Intel Quad 4-core processor and 4GB memory Last night I tried to install Ubuntu 12.04.5 and I perfect and runs smoothly, when you upgrade ...
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74 views

Ubuntu Gnome freezes

I am running the Ubuntu 14.10 with Gnome desktop. My machine is Lenovo t440s. Specs: Processor: 4th Gen Intel® Core™ i7-4600U (4MB Cache, up to 3.30GHz) 12 GB RAM GPU: Intel® HD Graphics 4400 The ...
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198 views

Ubuntu 14.04 freeze on Lenovo thinkpad x230, Samsung SSD 840EVO

I recently installed an mSATA disk (Samsung SSD 840EVO) on my Thinkpad x230 and then installed Ubuntu 14.04. It seemed to work fine but then froze completely after showing a system error message. ...
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206 views

Ubuntu Hangs a lot even when 3 or 4 apps are working

I have a Samsung NP300E5C-A0CIN Laptop with 2 GB of ram, intel i3 processor. I have installed ubuntu 14.04 alongside windows 8.1 My laptop tends to hang a lot, especially while browsing the web both ...
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28 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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98 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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14 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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7 views

Ubuntu Randomly Freezing

Ubuntu 14.04 randomly freezes in the middle of use. I am never doing anything specific, at least that I can tell when it happens. It does not appear to be an application specific issue. The keyboard ...
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20 views

Freezes and Segfaults

As I said in a previous post, I experienced frequent freezes with Kubuntu 14.10. I was unable to solve my problem, so I opted for a reinstall, what the heck.. This time I've installed xubuntu 14.04 ...
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42 views

Frequent freezes with Ubuntu/Xubuntu

I got kubuntu 14.10 (plasma 4) installed on a box equipped with gigabyte z87n and a celeron g3220. No discrete graphics, and one samsung 840 ssd. Now, frequently, my system freezes unexpectedly and ...
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11 views

Freezing when closing lid in 14.04

I have an HP Pavilion with an intel core i7 4400 and an nvidia 740m. I have installed ubuntu 14.04 and, when I close the lid and open again, the system freezes. I can see a low bar "_" on top left, ...
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29 views

Ubuntu freezing on Legacy PC

I have an eMachine D6419 desktop tower with the following specs: AMD Athlon 64 Processor 3200+ 2.0 GHz, 2000 MHz System Bus, 512 KB L2 Cache, 200GB ATA Hard Drive, 512 MB DDR SDRAM, nVidia GeForce ...
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24 views

freeze on purple screen when installing 14.04

I've tried to install 6 different variants of ubuntu today and failed everytime always the same problem. It boots up, I'm greeted with a screen that asks if I want to test or install ubuntu (there ...
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42 views

Ubuntu Server 14.04 stops responding

I have set up an Ubuntu server at home to host a small web-page containing files I want to access from outside. All is working really well but sometimes if I wake up, the server is frozen. I can't ...
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39 views

Display shutsdown suddenly, but PC is working

I installed Ubuntu 14.04 64-bit two days ago on an HP Compaq 6510 b laptop (4GB RAM, Intel Core2 Duo CPU T8300 @ 2.40GHz × 2), and I have a problem. Suddenly everything stops moving (example: mouse ...
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36 views

Why does computer freeze after login?

I have tried to install Ubuntu 14.04.1 into an old desktop that I had around (HP Pavilion a6200n Desktop Computer - 2.6GHz AMD Athlon 64 X2 Dual-Core Processor 5000+ CPU, 2GB (2x1GB) RAM, 320GB ...
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46 views

Ubuntu 14.10 no launcher and dash after upgrading to 14.10

I have an issue that I realize that many people face, but unfortunately I have not found yet a proper answer. I have a Dell Inspiron N5010, Intel (R) Core(TM) i5 CPU M 460 @ 2.53GHz 2.53 GHZ ‖ RAM ...
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57 views

Ubuntu 14.04.1 freezes and stops after it is installed?

In the open browser or software center, the system completely freezes and stops responding to orders and then the mouse stops and the system remains in this position without a response. This started ...
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40 views

Screen freezing

I've installed the new version of Ubuntu again after I've installed Windows with it in a Dualboot. Since this installation, I have a strange problem. Sometimes when I drag a window, the screen ...
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17 views

Ubuntu 12.04 random screen freeze

I have am using the light version of Ubuntu (Xfce) and it freezes up. This has happened to three computers that I am running Ubuntu 12.04 on. What is the problem?
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107 views

Ubuntu 14.10 freezes during work

Recently I have installed ubuntu 14.10 on lenovo z50 laptop. The problem is that whenever I login and start work after few minutes system freezes. I found few solutions of this problem but nothing ...
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65 views

Frequent freezes in Ubuntu

First of all, this is not a duplicate. The other ones are able to move their cursor, I can't. They can use their keyboard, I can't. There's no other way to escape it but to turn it off (by holding the ...
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16 views

Boot question in Virtual Machine with os ubuntu 14.04

snapshot~ My ubuntu cannot display anything after I do some apt-get upgrade & update & install opencl. I'm not sure what the problem is. But in the virtual machine I cannot use right/left ...
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50 views

Gnome crashing on Ubuntu 14.04 - How can I fix or helping fix it?

I've installed Ubuntu 14.04 on my Lenovo ThinkPad. I checked the option to encrypt the disk during the installation (I don't think that this has an impact on Gnome, but you never know). As I ...
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0answers
39 views

How do I find out what is lagging my system?

I got Asus laptop with 8gb of Ram and i5-3337U 1.8 Ghz dual core CPU, GT740M. Ubuntu 14.04 LTS. Now for the last week my computer is pretty much freezing every 5 seconds for like 0.5 seconds. It ...
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64 views

Password incorrect + newly installed Ubuntu freezes

We've updated Ubuntu to version 14.04. After the restart, there was the usual GUI with text field asking for a password. After logging in, a dialogue saying "system program problem detected" on Ubuntu ...
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97 views

Ubuntu keeps freezing (Nvidia issue?)

My ubuntu computer keeps crashing and I'm not sure what the problem is. What happens is that the audio and image freeze, so the audio keeps repeating while nothing changes on the screen. The only ...
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0answers
128 views

Ubuntu 14.04 freezing (fully) randomly

Probably this question has been asked many times, but have this problem that Ubuntu 14.04 with Unity freezes randomly on my HP Probook 4540s (Intel and AMD graphics) laptop. Wheter it's when using ...
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40 views

After upgrading to 14.04 my computer won't start just after a few tries. Also after hibernating it freezes. Help!

After upgrading from 12.04 to 14.04 my computer won't start just after a few tries. It kind of freezes at that purple screen, nothing after, so I have to turn it off manually and try again. Today it ...
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11 views

Distribution manager freezes when upgrading from 12.04 to 14.04

The distribution manager freezes when upgrading from 12.04 to 14.04. The download goes smoothly. At one point during the install it restarts. After the restart it just freezes. Then I have to do the ...
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55 views

Thinkpad yoga S1 freezes after suspend

I have a thinkpad yoga s1 with i7 cpu, hd4400 graphic card and Ubuntu 14.04.01 installed. It freezes frequently when wakes up from suspend. By the way, ubuntu doesn't recognize hd4400's driver so I ...
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70 views

After install, Ubuntu loads but is frozen

I've installed Ubuntu 14.10 (both the 32 and 64 bit versions) several times over on two different hard drives in my tower. After the install, it will not do anything. It looks like it's frozen; the ...
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60 views

Freezing in boot after updating + ubuntu 14.04

I update my ubuntu last night and after reboot , my ubuntu is freezing in boot screen . Any solution ?
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18 views

Recovering 12.04 running in virtualbox

I'm running ubuntu 12.04 as a guest in virtual box on a Windows 8.1 host. The system keeps freezing when it does not have the mouse or keyboard captured (not happened when it does have it captured ...