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 freezes when streaming audio

For the last fews months or so, ubuntu will suddenly freeze at seemingly random intervals when streaming audio (such as listening to spotify, watching a youtube video). To date, it has not frozen when ...
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3answers
868 views

Recovering from a Ubuntu freeze but keep programs running?

On my system, Ubuntu freezes occasionally. The entire display becomes unresponsive - the mouse still moves but nothing happens on click, and with the keyboard I can press Ctrl+Alt+F1 to go to a login ...
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1answer
846 views

Problem while trying to create users in Ubuntu 14.04 64bits version

My problem began when I tried to create a new user in GUI mode. When I click on "users accounts" in "System configuration" the window changes to black and stops responding. I tried to reinstall the OS ...
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130 views

Frequently freezes with solid screen in ubuntu 14.10

Yesterday I installed fresh-new ubuntu 14.10, and from that time the system constantly stucks with solid-colored screen (usually gray) 5-10 minutes after start. Just gray screen and nothing else, no ...
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1answer
79 views

Freeze to a black screen and then restart

I just installed Ubuntu, haven't changed anything. I'm just at the desktop opening stuff like firefox or anything and then the screen freezes but the mouse still can be moved. Then after about 10 ...
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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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1answer
1k views

ubuntu 12.04 totally freeze while browsing or virtualBox

My system: ubuntu 12.04 64-bit 8 GB memmory Intel Core i3 540 AMD ATI RV710 [Radeon HD 4350] - graphic driver I have tried to figure out what is causing the freeze, but not found it. It happens ...
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1answer
77 views

Ubuntu 14.04 doesn't boot, Sony Vaio VGN-NW11S

I've set up Ubuntu 14.04 on a Sony Vaio (VGN-NW11S), dual boot with Windows 7. The computer is approx. 4 years old. It worked fine for 1 week or so, but since a few days it doesn't boot any more. I ...
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100 views

Ubuntu 14.4 Freeze

I installed Ubuntu 14.4, and every time I open the Mozilla Fire Fox or any other program, the computer freezes. Already updated it by the terminal, I tried sudo apt-get upgrade, nothing worked. If ...
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2answers
124 views

Ubuntu freeze after moving window to the side

When I move a window to the left or right side, it should automatically resize itself (I don't know how this function is called, but it is also present on windows 7). My problem is, that Ubuntu freeze ...
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136 views

Dell 5737 freezes on ubuntu14 everytime during resume from suspend

My dell 5737 laptop was running all fine on 12.04. As soon as I upgraded to 14.04 I am consistenly running into system freeze everytime system attempts to resume from suspend. This happens when I ...
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0answers
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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0answers
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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0answers
125 views

Application windows becomes unresponsive for some time in Ubuntu 14.04 LTS

Before somebody wants to mark my question as duplicate I'm letting you know that I read a lot of alike questions and their solutions but none of them describes the same symptoms and their answers ...
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1answer
173 views

Ubuntu freezes at splash screen (plymouth) after gpu install

I have just installed my new Nvidia GTX 760 and even with the proper (proprietary) drivers installed Ubuntu freezes at the splash screen. If I take out the GPU it's fine. And when I put it in but ...
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134 views

Ubuntu frustrating crash

I am experiencing a freeze once in a while. When my computer freezes, only the mouse can move but it cannot click anything. In addition, I cannot switch to terminal using alt + f1 or ctrl + alt + ...
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0answers
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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32 views

Recovery Menu Problems

Running operations from Recovery Menu in Ubuntu 14.04 is not working. When I press enter on clean ("Try to make free space"), it runs to 62% sometimes then freezes, 31% other times, then freezes, 98% ...
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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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0answers
212 views

Ubuntu 14.10 on Macbook 6-1 hangs after resuming from suspend

I recently installed Ubuntu Utopic Unicorn, I am a new user to Linux. Everything went smooth the only problem being that when I close my lapot or after some time it automatically suspends, when waking ...
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3answers
2k views

Ubuntu 13.10 freezes at times; *ERROR* stuck on render ring

My ubuntu 13.10 laptop freezes relatively frequently, after I recently installed it. It is most common while I am playing Minecraft, but I have also had it happen at other times. I think it may be a ...
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0answers
74 views

Ubuntu won't start when hdmi is plugged in

I have an issue with my 46" samsung touch screen. My computer is configured to start up and launch an app in full screen, everything is working well on my old screen but with the new one, ubuntu won't ...
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115 views

Freezing while gaming

Basically, while gaming my video locks up but only video. Audio plays fine. People have suggested changing my video driver but that hasn't done anything. Video card is an Nvidia GeForce GT 525M.
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2answers
4k views

How do I diagnose Hang on Shutdown?

Since one or two months ago, my laptop with ubuntu 12.10x64 hangs during shutdown. There's just a black screen, no harddisk activity, it justs sits there. I feel it happens near the end of a normal ...
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0answers
197 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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0answers
491 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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56 views

Ubuntu 14.04 freezing completely on new netbook

I have some strange problem not letting me ask this question on my laptop, so apologies if I am asking something that has already been asked by someone. I bought laptop with enough capabilities to ...
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0answers
75 views

14.04 freezes in Ubuntu splash screen

Thanks in advance for considering to help me with this problem, I am pretty new to Linux and have been learning furiously. This forum has been really useful is figuring out specifically Ubuntu, which ...
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2answers
237 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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1answer
86 views

Why does my Ubuntu 14.04 desktop lock up when I do large data transfers between hard drives?

I am running Ubuntu 14.04 on a system that I built from parts. All software is up to date according to update manager. Kernel is 3.13.0-39-generic GCC version 4.8 (i686-linux-gnu) Xorg version ...
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0answers
36 views

Evolution freezes when saving a google task

Reproduction Open Evolution Mail Edit an existing or newly created task of a Google Tasks list. Press "save" or "save and close" and Evolution will become unresponsive. Does anybody else ...
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0answers
80 views

What to do when Ctrl+Alt+F1-F6 fails?

Sometimes, while I'm working with my machine, my screen freezes. Most of the times, giving Ctrl+Alt+F1 and then Ctrl+Alt+F7 fixes the problem without any further action. Even if it doesn't, I can ...
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107 views

Cinnamon freeze on nVidia

I just installed Cinnamon on Ubuntu 14.04. Everything works fine but when I switch to use the nVidia card from prime-indicator, I have a black screen and I can't do anything, except using CTRL + ALT + ...
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131 views

Freeze of the system after the upgrade to Ubuntu 14

Dear Linux/Ubuntu experts, I'm adminstrating machines with Ubuntu installed. After the machine is upgraded to Ubuntu 14, I get complains that machine is freezing completely from time to time. The ...
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0answers
95 views

Unity Freezing on ubuntu 14.04 (new install)?

So my problem is as follows. My laptop seems to freeze randomly - at least the video output to my screen is the one that gets stuck. I could be doing anything from browsing or watching movies and the ...
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0answers
68 views

14.04/13.10 Complete Freeze and needs hard restart

so I had Xubuntu before and things were good, I decided to install ubuntu 14.04 now. After the installation is done, im just at the desktop opening random things after a minute less or more everything ...
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1answer
444 views

Random xubuntu 14.04 Xorg graphics freezes

I've got a fairly new Asus X550CC laptop with up to date xubuntu 14.04 on it. I'm using NVIDIA graphics drivers version 343.13. From day one I installed xubuntu on this machine I've been getting these ...
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0answers
96 views

X server keeps freezing and/or crashing after 14.04 upgrade, is it a bug or other?

No problems before upgrade. After system upgrade, everything normal except I cannot go more than a few hours (minutes!) without X server, graphics card, graphics driver, or something freezing and/or ...
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0answers
83 views

Thinkpad Edge E130, frequently freezes on startup

My Lenovo Thinkpad Edge E130 (3358-5FG) has massive problems with frequent freezes. These problems only occur at startup: Rare freeze while the Ubuntu loading image is displayed, before lightdm ...
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0answers
14 views

machine freezes everytime after restarting from ubuntu 14.04 [duplicate]

My desktop has two separate hard drives. One has windows 8 installed and the other has Ubuntu 14.04 installed. Grub menu works ok for dual boot. But everytime when I restart the computer inside ...
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1answer
43 views

Freezing Brrr!! and slow [duplicate]

Since it has been installed Ubuntu 14.04 runs too slowly and freezes often. It is almost impossible to do anything informatically viable now with my 10.04. How can i do to make it run correctly?
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2answers
174 views

Ubuntu 13.10 - desktop freezes when opening or importing a large size image?

I tried to add a raster layer to my QGiS dufour(memory size of the image was 52 MB) and the desktop freezed. It is not just QGIS,I have also tried to open this image via image viewer and it has also ...
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0answers
213 views

Ubuntu freeze and not recover

I'm using 14.04 on my dell n5010 laptop. Started from last couple of days my laptop freezes after sometime I started it. I can't figure out why. There is a small icon like figure near the mouse ...
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votes
1answer
329 views

Ubuntu 12.10 freezes at reboot

I just moved from Windows 7 to Ubuntu. I installed Ubuntu 12.10 on my Acer Aspire E1-471G laptop, the hardware is listed below: CPU: Ivy Bridge i3-3110M Graphics: NVIDIA GT 630M & Intel HD4000 ...
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1answer
43 views

Log proccesses activities for later analysis

I'm having a problem with a Ubuntu 14.04.1 LTS machine that occasionally freezes up for no reason that I can logically predict. Once it happens the HDD usage seems quite high for no reason ...
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0answers
23 views

Ubuntu 14.04 animations freezes and slow performance [duplicate]

When i move the windows or maximize or that things, the animations freezes horribly, i have 8gb of ram, a 3.3ghz 3 cores processor and a geforce 7025. I upgraded from Elementary OS, on that OS the ...
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1answer
1k views

Ubuntu 14.04 desktop not loading after login

Turn on the PC, get normally to the login screen. But when I login, the desktop doesn't seem to load. I've waited half an hour but it still didn't load. I can get to the root by using the GRUB screen ...
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1answer
180 views

Kubuntu freezes after login

In Kubuntu 14.04 I have installed the Recommended NVIDIA drivers with the driver manager and now the computer freezes a moment after login, if I access the terminal it doesn't freeze. The graphic card ...
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0answers
29 views

Ubuntu 12.04 - seemingly random freezes

I am running Ubuntu 12.04 and I have experienced random freezes when running a number of different applications (I am also researching known bugs in those applications). Once the machine locks up, ...
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0answers
95 views

ubuntu freezes with heavy hdd usage (continuous blinking led)

I'm using ubuntu 14.04.1 LTS and it randomly freezes, and while that happen the HDD usage is quite high (LED almost continuously on). I can't move the mouse, can't use alt + tab, can't even go on ctrl ...