Ubuntu :: Computer Locks Up And Then Goes Into Login Screen?
Aug 6, 2010
Recently, ive been having this problem with ubuntu in which while im watching a movie and thus not doing anything else, everything locks up except for the sound (if i attempt to move mouse doens't work) and then it goes into the login screen. Previously, ubuntu would fade away into the login screen.
So is there any way to prevent ubuntu from going to the login screen if the user is not moving the mouse? non-fading login screen?
edit: oh and i also have this sometimes occuring problem where i type my password to login, it logs in, and then it immediately goes back to login screen. A second login works. probably not relevant
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Mar 2, 2011
I just installed 10.04.2 Desktop. Full install, reformatted all partitions. Hardware: Dell Optiplex GX200 with Dell 781p monitor Dell mouse and kybd.
All appeared to install well and as expected.
The computer has locked up 4 times, now. Whenever I attempt to use the mouse to drag a window to a different place on the desktop the monitor goes half black (bottom half of screen) and I loose the ability to use the mouse or keyboard to provide input. The only recourse is to shut it down hard and boot up again.
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Jul 15, 2011
Acer 5250-BZ475 laptop, fresh install of Ubuntu 11.04. Boots up beautifully as long as an ethernet cable is plugged in. Otherwise, I get to the login screen and have just enough time to start typing in my password before the entire system hangs hard - no mouse, no keyboard, can't even get to a terminal, nothing. Have to hard power off the machine.
It seems to be a problem with the wireless card trying to initialize, but there doesn't seem to be a bios option to disable wireless on this laptop, so I'm a bit at a loss as to how to fix this problem. By the way, wireless works fine if I boot up with a cable connected - I can see all the wireless access points in my area no problem. I just can't boot without a wired connection, which makes my laptop more or less useless when I'm away from home with it.
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Aug 4, 2011
yesterday i installed slim login manager on my computer (eee pc 1018p, ubuntu 11.04), and now it cannot get passed the ubuntu loading screen (with orange dots underneath) when booting. i tried booting into recovery mode and that didn't work either. i also left the computer trying to boot overnight and that didn't work.
basically, during this loading screen that should eventually bring you to the login screen, i can alt+tab to see the progress of the load. the progress is stuck on
Is there anything I can do from grub to remove slim?or, is there any way I can access my ubuntu partition and save all my files?
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Oct 1, 2010
I am using Ubuntu 10.04.1 and I run it 24 hours a day. Recently one morning I went to my laptop and opened the screen but the login screen wouldn't appear. Anytime the cursor appeared, HDD activity would go to 100%. I'm assuming this because the HDD light on my laptop was permanently on. So I made the dumb decision of just holding the power button down and turning it off. When I turned it back on, I noticed it came to a command prompt type screen listing "initramfs" at the bottom apparently wanting me to input a command. I did a lot of research and couldn't find much of anything that would help me. I read about GRUB, superblocks, fsck, e2fsck, etc.. . I tried all of those and nothing has worked so far. Any ideas? I did notice one thing. When I went into the actual install with the livecd, it told me the drive was /dev/sda5, but in Disk Utility on the livecd, it told me it was /dev/sda1
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May 28, 2011
I have Natty, and from time to time Computer goest back to login screen. Is there any reason for this?
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Jul 9, 2011
About a week after installing 11.04, I started noticing that my computer basically locks up after leaving it for many hours. When I come back, I cant get any programs to respond. I click on Firefox and it takes about one minute for it to finally respond. If I try to launch Konsole, it locks up too. But suddenly all programs start responding at the same time, after about one minute.
This is very frustrating and I just feel the problem is zeitgeist. Of course I am not sure because I cant even run System Monitor to check the problem since I cant run any apps for about a minute. By the time I run System Monitor everything is working again.
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Oct 2, 2010
I have an Emachine that my uncle gave me and I thought that Ubuntu would find a nice home in the cozy case and well.....
I have a Emachine el1200-05w AMD Athlon 64 2650e / 1.6 GHz NVIDIA GeForce 6150 SE 2.0 GB mem. and 160GB HDD
I had to fight to get it to install kept freezing and stopping. I finally got it installed. It runs fine and is fast. I like it alot and then after about 5 to 10 min. The screen locks up or will distort in multicolor stripes across the screen. I cant figure out whats going on!
I did just notice that the specs say it's a 64bit possessor and I'm running the 32bit ubuntu will that make a difference?
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Apr 14, 2010
everytime i try to navigate to the home folder the pc lockes up. the mouse will move but the screen is locked upi have to restart
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Jun 15, 2010
so i just bought a new Sony Vaio laptop and things are seeming to run great. However, there is one issue: when i go to restart or shutdown the computer, the graphical interface goes away like it should, it goes to CLI and does it's shutdown routine....the problem occurs about 2 seconds into the routine, when it just stops. it doesnt shutdown or restart, but stays in the CLI with a blinking cursor. if i allow it to set for a couple of minutes, a message pops up that says something like this, "BUG: soft lock up CPU0 CPU1 stuck, blah blah". any ideas on what this is or what is causing this? the laptop has the i5 processor in it, just in case that matters
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Jul 10, 2010
so every time I want to watch a video or let my computer play some music anything that leaves it without input the screen dulls then the computer locks it self even in the middle of when I am watching something.I have already set every power management setting to never turn off and it is still doing it is there any thing else that controls ubuntu's automatic functions that I have missed that would let my computer stay on without locking up,I am running the most recent version of ubuntu on a Samsung NC-10 netbook if that helps
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Oct 15, 2010
Since upgrading from 9.10 to 10.04, the "Switch User" functionality no longer works. I had hoped that upgrading to 10.10 might resolve the issue, but no joy. I am using 32bit Ubuntu 10.10 on a Levono R51 laptop, with three users. 9.10 was installed from a LiveCD, and I have partitioned the hard drive so that OS is in the first partition, and the three home directories are in the second partition (just in case I need to do a complete re-installation from LiveCD). Most of time only one person uses the laptop, but if a second person tries to switch from the current session and log in, they are greeted with the following;
-- a black horizontal line (approx top quarter of the screen)
-- a purple background with the Ubuntu title and 5 red dots (lower 3/4 of screen) -- but no login screen
-- moving the mouse renders a white box (approx 1x1 inches) with some black marks
The original user can recover their session with Ctrl-Alt-F7, but this essentially makes the laptop only usable for one person (one active login) unless the original user logs off.
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Nov 19, 2010
I am running edubuntu in one of the classes of the school i support. My problem is that the children cannot remember the password for the computer if it locks. I have it set to auto login on the class user and I have disabled the screensaver asking for a password on resume, and disabled the powerdown options. So in theory it should stay on the desktop until they shutdown. However there is still the option to lock the computer and i am sure that they will find it and manage to lock themselves out of the computer! I am a linux beginner, but i have followed a few guides on the internet. I could really do with having their user with no password, so if they accidentally lock the computer they only have to click unlock to resume their computing.
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Jan 24, 2011
I just installed Ubuntu 10.10 on an older PC along side Windows XP. Everything boots fine in Ubuntu, until I log in. At this point I just get a blank purple window. No icons or start menu or anything. I am able to log in fine in safe mode.
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Apr 30, 2011
Just a little bit of back history here. I created this server when Red Hat 9 was the latest greatest thing and it has been running like a champ ever since. Recently, it started locking up when I would enter X11. I thought the problem might be a power supply as it was making some noise, I switched it out, got rid of the noise, but, not the lock up.I have to admit, I am not much of a tinkerer when it comes to Linux, I will install and get the things I want to work working, then leave it alone, typically it runs for years and years with no problem. Nothing has been installed or changed on this box. Absolutely everything works fine, with the exception of X11, which did work for 10 years. Now it freezes within 1-5 minutes of logging in (if I stay at the username and password screen it seems to run fine). If I run the failsafe windows manager, it seems to also run fine. If I run KDE or Gnome, the mouse will still move around the screen, but, nothing will respond.
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Feb 2, 2010
I'm having one heck of a time getting Ubuntu to run on a Mac Mini. The OS installs flawlessly. It's after the install that the problems start. As soon as I input my username and password the Circle icon for loading appears and nothing happens beyond that point. Mind you I've installed Ubuntu at least 20 times and I'm about fed up with it.I've installed Fedora-PPC and Vine Linux. They both allowed me to login without any problems. I just want to install and run Ubuntu
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Jun 8, 2011
First, I upgraded to F15. All went smooth. No problem. But if I pull up a terminal in KDE via menu->utilities->Terminal, I get a terminal that shows only 3 lines. If I try to increase the size by pulling the edge it locks up the computer. Functions otherwise. This is Gnome Terminal 3.0.1. X terminal works fine. So does Konsole. But not the above application from the menu.
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Sep 3, 2010
I am currently running LTSP on Ubuntu 10.04. It is a dual gig nic setup with 16GB of ram and dual AMD quad core 2.4s. I installed all the latest updates as well as likewise-open so we can use AD authentication. When testing the configuration in the lab, I boot 32 clients that successfully reach the login screen. Here comes the interesting part, I can log in, using all unique AD accounts, up to 22 clients. When I attempt to log in to the 23rd client LTSP hangs. If I restart a client it will retrieve an IP address, but TFTP will eventually time out. All of the clients are connected to a Gigabit switch along with the server so network speeds are not an issue. When I run system monitor it only shows 3.6GB of memory in use and the processors are all under 10% utilization. I have beating my head against this issue for 2 days .
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Oct 18, 2009
I seem unable to get an nvidia driver working properly after upgrading to the latest kernel with Fedora 11.Here is my laptop and its specs: http://h10025.www1.hp.com/ewfrf/wc/d...reg_R1002_USEN[URL]I've tried both the kmod and akmod unsuccessfully. Everytime it gives me a black screen on boot, I can fix the problem by popping in the LiveCD, and changing the xorg.conf file back to the backup.Here are the errors/warnings from my boot.log file:
Code:
WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.
Checking for module nvidia.ko: [60G[[0;31mFAILED[0;39m]
[code].....
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Mar 23, 2010
I've never observed this problem neither did any of my colleagues trying to SSH into the same system. If I try logging into my server using a wrong username and then press ^C to terminate or exhaust my password attempts, I am locked out for at least an hour. Is there something I can do on my end to fix this problem?
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Feb 7, 2011
I would like to run a command when the screen locks, and another when it unlocks. I work in a shared office space. When I leave my desk (and the screen locks) I would like the webcam motion capture software 'motion' to run, in order to record anyone who uses my computer when I'm gone. Likewise when I come back and unlock the screen I would like it to pause.
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Mar 1, 2011
When Ubuntu loads on my laptop (micron gx3, pentium 4) it freezes on the install screen. Is there something about my hardware that might cause a problem? I looked @ the other micron GX3 forums and didn't see the same case
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Apr 12, 2011
My last setup (years ago) ran fluxbox so because it was familiar I installed it as a secondary to xfce right off the bat. I download a lot of different stuff because I like to try out all the apps I can find but somewhere I broke something. I can still run fluxbox fine, but nither the Xubuntu nor Xfce sessions will run now. Last thing I remember changing was pulse audio(removed it for an experiment I was trying with jack audio), not sure if it is connected but when I try to login to xfce the screen goes black, flickers a few times then it brings me back to the login screen.
I tried failsafe but everytime I do my monitor gives me a "frequency out of range" error. I tried purging and reinstalling xubuntu desktop and xfce settings but I am thinking its my xorg config. My laptop is a Toshiba satellite M305D-s4830 with ATI Radeon 3100 mobile graphics card and I am running Xubuntu 10.10. Unfortunately I also broke the screen, so right now I am stuck with an external monitor till I get a new one.
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Aug 28, 2010
I'm running 10.04 and when my screen locks I can't unlock it. I enter my password and it checks my password forever. This is a recent problem. I don't know what's causing it.
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Nov 23, 2010
I am not sure exactly what is going on, but my ASUS UL30a (X32a) keeps locking up until I press a key, then it seems to resume for a while.
At first I thought it was just the mouse, but I noticed that the screen stops refreshing also. Hitting the space key (or any other key) brings the systme back to life (until it happens again).
It is a fresh install of Ubuntu 10.10, not much seems to be going on in the top list (compiz 1%, xorg 0.5%)
I am looking for ways to try and diagnose the problem (if not fix it )
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Feb 8, 2010
I've been using Ubuntu for about a year or so and have never had any problems installing it up until now.
I can boot from live CD for 9.10, but if at any point I attempt to install it to my hardrive, it either locks up or the screen goes black. Sometimes I'm able to start the installer, but the screen will go blank. The most progress I've been able to make on the install was up to 98% before it locked up, every other time I've gotten a blank screen or a lock up around 40-60%. After a hard reboot I get an error that reads "DISK BOOT FAILURE. INSERT SYSTEM DISK AND PRESS ENTER"
This problem doesn't only occur with 9.10, but with every other linux distro I've tried on it. My first attempt was with Ubuntu Studio, but I got similar errors. I've searched literally for hours and have found nary a solution that even comes close to solving my problem. using HP Pavilion a404x desktop
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Jan 22, 2011
I just got a wireless dongle because in my house wired is not possible, but now I am getting problems. The dongle is a tp-link that turned out to be plug&play (unlike windows) and seems to work perfectly, except when the screen locks. I have tried to download overnight several times and it seems like a few minutes after the screensaver comes on or after I lock the screen, the connection is dropped. It works completely fine normally. So what changes when Ubuntu (its maverick with all updates) locks the screen? Also, when I log back in, I have to unplug the dongle and plug it back in to get it to connect again.
This is really REALLY annoying, enough to make me switch back to windows if I can only download while I'm looking at the screen.
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Jun 29, 2010
I have a very strange problem since I turned to kubuntu 10.4. Often, after some heavy working, my laptop works very slowly and suddenly when loading something, it locks and white lines turns all over the screen, just like curtains. Linux jumps out of KDE and logs in automatically. That's very anoying since all my work is lost and it turns back to the previously saved session.
Also, often when I boot, the load screen is also mmissed up with those white lines. The only thing I can do then is to reboot.
I tried to re-install kubuntu (in first instance, i upgraded in kpackage, then i re-installed with formatting the root en swap partitions).
I don't know how to solve it. Only thing that seems reasonable now is to downgrade, since i didn't have this problem on 9.10 (fyi: I have a dell inspiron 1501 with ATI Xpress 1150 256MB HyperMemory video card, formerly i had problems to have good graphic drivers for it on previeous versions of kubuntu (some 3d games didn't work), maybe this has someting to do with it?)
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Jan 9, 2010
I have a Dell Latitude E5500. For some time I've been installing different distros on it to find which is best suited for my needs. I've tried Ubuntu, Kubuntu, Mandriva, openSuSE, Fedora, and several others. So far, openSuSE takes the cake in terms of what I need, speed, usability, etc. However, I have a soft spot for Fedora and I'm trying so hard to make things work, but I'm kind of at the end of the road unless you guys have some suggestions.
I was in the IRC chat for Fedora asking around, and one user was kind enough to point me in this direction, which made sense as to why I was having issues.
[url]
I was having mixed results, but I had also installed from a Fedora KDE LiveCD. I decided I'd try the full DVD release of Fedora 12 64 bit, so I installed it this evening.
To my disappointment, even the nomodeset parameter does nothing. I get to the blue screen where there's some kind of logo in the center that fills in with white. After it fills in, an F appears. That's where it stops. It just goes no further. Further adding to the confusion is the fact that the fix lists a kernel there, indicating (to me at least) that the kernel listed is when a fix was deployed. I have a newer kernel than that, and despite that I still have these issues.
So needless to say, I'm using my laptop as testing grounds to plop a different distro than Ubuntu on my laptop and 2 servers full time. I really want to make Fedora work, but at the same time I have to use what works for me. Not being able to boot and log in is kind of a big deal. :P
Is there anything I can do or try? I want to keep the OS's I run all the same, so if Fedora 12 bombs out on this laptop, it has no chance on the other servers I plan to run at work. So far openSuSE is running without a hitch but I'd really like to give Fedora 12 a chance....
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Apr 14, 2015
I'm using SolydX, based on Debian Jessie. XScreensaver is installed and disabled, but it still locks my netbook screen after some minutes and suspend mode. Waking the netbook up brings XScreensaver login window. I'd like lightdm login window to appear instead.
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