Ubuntu :: Unable To And The Screen Flickers A Bit And Shows The Login Screen
May 31, 2011
I'm having a bit of an issue. I was transferring some files from an external hard drive onto my desktop computer running ubuntu 10.04...It filled up the hard drive to the max, rebooted and I couldn't login. Did some googling and thought it might be because it was too full so I plugged the ubuntu HDD into my laptop, removed some files and tried again. Still no luck.
What it does is tries to automatically login (that's how I have it set) at the main login prompt, it for some reason is not able to and the screen flickers a bit and shows the login screen. I enter my username and password and it flickers really quick and goes back to the login screen. Does this for my other user account as well. I can login via the command prompt (ctl-alt-f7) and do stuff there, but I cannot login to the GUI.
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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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Jan 11, 2010
I don't know what caused it, but as I boot into Ubuntu (9.10), the login screen never appears. Boot splash shows,then the cursor shows up but never the login screen. I haven't found anything that will reset the default gdm or login screen that works.
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Feb 20, 2010
I set login automatically in the login screen in the systems menu. but on after every boot it shows the login screen many times even after a correct login, and sometimes it doesn't show. I already updated my system so what should I do so that no more login screens after boot?
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Oct 28, 2010
Well this problem has been here since Lucid. When I start up my computer and select Ubuntu, I get a blinking underscore for about most of the start up time for Ubuntu. Then It quickly shows the nice Ubuntu Loading Screen (Plymouth) for about two seconds, then it gets to the login screen. I am using the Open Source ATI drivers, I believe the open drivers are called "radeon".
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Nov 29, 2010
So I have installed LXDE on my SuSE install to have a addition to the GNOME desktop. The installation went fine (of course). But I'm now faced with a problem with the transparency in LXDE, I have a box around my cairo-dock with a piece of my login screen background (looks like the well-known black-box bug. See Screen shot). This is a bit strange and I've been looking at the solutions for the black-box bug since I've had it before, but have not found a way to sort this yetv(though i have found many solutions for the black-box bug itself).
But, not only is this box around cairo-dock, the rest of the transparency in LXDE also shows the login screen background. See screen shot. Screen shot: [URL] As you can see, i haven't had time to work on the eye-candy yet.
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Jul 6, 2011
I am trying to set up xfce so that I can be able to switch between multiple users. To do so I seem to need gdm. So I installed it from slackbuilds.org, but the login screen shows rectangles instead of text.
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Jul 2, 2010
I tried installing 10.04 via Wubi on a friend's notebook and have hit problems with the display. The installation seemed to proceed OK (took ages to download / install - left it running overnight) until it came to boot to Ubuntu. The GRUB menu appears OK, but choosing Ubuntu leads to a blank screen with some icons at the bottom, which is displayed for a few seconds, then the (login?) screen just shows rolling display, like an out-of-tune analogue TV. I suspect that I need a graphics driver or something? The notebook is a logiQ notebook, with 128MB SiS Mirage-3 graphics.
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Nov 1, 2010
I have centos 5.3 i got the login screen but after logging shows error as-- your session only last less than 10 seconds . if you have not logged out yourself tyhis could mean that there is some installation problem or that you may out of disk space .try logging with one of fail session.
views details:
There is lot of space in hardisk and tmp.
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Mar 13, 2010
I have been (in retrospect) screwing around with drivers and various packages in Synaptics on a Fujitsu Siemens ESPRIMO Mobile, which has a SiS graphic card. Now I get a normal boot up until about 5 seconds after the Ubuntu-mark shows up in the middle of the screen. After that the screen flickers and goes on and off, without any results. This just continues forever, without any solution. I have tried the recovery mode, and tried to remember which packages I installed, and then tried to remove them, without success. Any tips on what to do, except reinstall?
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Oct 10, 2010
I recently powered up my netbook... Selected my user log in, entered my password, and after a couple seconds I briefly see what looks to be the console and am returned to the login splash screen... I can Ctrl+Alt+F2 to get to the console and log in... but that is as far as I can get. This is the case for Gnome, Remix, and Remix 2D.
I can sudo apt-get (update, upgrade, etc) as well. It is the right password because if I type in a wrong one it presents an authentication failure dialog box.
How can I fix my log in screen and get to my desktop? I am Currently running 10.04.... waiting to get 10.10
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Feb 5, 2011
I have openSUSE 11.3 with an nvidia card connected with two monitors. In the past I used xinerama which was ok, but now I need to have two separate desktops, one on each screen. I set the nvidia driver with x screen, and now one screen works perfect and the other only shows a black screen. When I move the mouse over the black screen, the mouse pointer turns into an X, but moves correctly, which seems to me that the problem is that I need to set the second desktop to that screen. I looked on forums on how to do so, and no luck.
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Oct 29, 2010
Recently I've keep getting a white screen that flickers on and off, on my Samsung NC10 netbook.
It only seems to happen when I'm running off mains power, and screen brightness is 100%. Stops when I lower the screen brightness.
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Mar 21, 2010
im still pretty new to linux and have been using it since december. lately the screen keeps blinking. almost like the screen is going out. this only happens while it uses the fedora from my hard drive. the screen acts just fine while in the BIOS and when i boot from the live CD its all smooth. but when i boot from my hard drive, as soon as fedora starts to boot up its starts blinking and flickering again. im running a virus scan right now with clamtk.
not sure if this is relevant or not but: 2 days ago my friend had a worm virus shutting down her laptop. so i backed up her important files and photos on a thumb drive, formatted and reinstalled her vista for her. during the installation of windows i popped the thumb drive into my laptop (fedora 12) and imediatly did a virus scan with clamtk. no viruses found.
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Aug 28, 2010
As the title says, when I select the install option on the liveCD, the Ubuntu logo is shown, and the flickering starts. I've tried the vga=XXX option, but no luck. Any experiences? It doesnt' happen with the 9.10 live CD...
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Dec 27, 2010
I'm running a dual boot Win7 and Ubuntu 10.04. I have them both partitioned on a 1TB drive and I also have 2 250gb internal hd's hooked up. So starting maybe yesterday, I was noticing that Win7 started crashing for absolutely no reason whatsoever where it freezes and the mouse and keyboard are unresponsive. Today I did a system restore because I was tinkering in the registry so I thought that could have been the issue. Crashed once since. But runs longer. I also checked the event log and doesn't divulge anything explaining the system crash.
And just now, I tried booting up Ubuntu and after grub, the purple splash screen flickers back and forth to the text based terminal startup. All I could make out once was "could not read partition table." that was really the only significant thing I could make out. It flickers too quickly for me to really catch what its saying.
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Apr 5, 2011
I burned Ubunto 10.10 to a disk and when it goes to load I can see the Ubunto load up and ask me what language I want except the screen flickers like crazy.
my video card: ATI Radeon HD 5700 series
here is the link to the short video: [URL]
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Oct 24, 2010
I have a strange problem with some applications in 10.10. This applies so far to virtualbox and skype. When I try to start them, nothing happens. Virtualbox just flickers the edge of the screen. Virtualbox has worked before, and i'm reluctant to delete it as I have another machine installed. Skype has never worked, and even when I have reinstalled, the same happens.
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May 29, 2011
I've been away from Kubuntu for a while but came back when Kubuntu 11.04 was released because it's awesome. I have a newer laptop since then, a Latitude E6410 with Intel graphics and 8GB of RAM. Everything works great, except......Sometimes when I resume from suspend to RAM, the screen flickers with thin white lines across the screen. I can switch to a tty and reboot it from there, but I'm unable to use KDE until I reboot. A lot of times resuming from suspend works without issue, but sometimes this problem occurs. I haven't figured out exactly what triggers it. In fact, the most recent time it happened, I didn't even have an application open.
I would like to figure this out because I use suspend a lot. I rarely turn off my laptop unless an update requires me to. I prefer to be able to close my lid and resume whatever I was working on later, but with this glitch I cannot trust it to do that.
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Jul 4, 2010
I just installed Fedora 13 with KDE4 and my screen flickers! I have already read section 5.1 of [URL] but am unsure about how to carry out the suggestions. For instance how do I add "nomodeset" as a kernel parameter? I do not even know whether this is the proper solution.
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Feb 25, 2011
The problem come after i kill the Xorg using the kill command,and the screen turns to black without anything so that i can do nothing. The problem goes on after reboot
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Sep 17, 2010
I have installed VirtualBox and setup a Windows Vista host, initially with a .vdi of 10gb. That filled up quickly, so I added another 20gb secondary partition, after first trying to allocate a .vdi to a SCSI controller. Configured the drive in Windows (Computer Management), and all seemed ok. I shutdown VB, and rebooted my Linux host (openSuse 11.3). Now I keep bouncing back to the login screen, and can't login to Linux KDE, but can login to a console.I do have the following info:
/etc/fstab:
/dev/dis/by-id/ata-ST9250410ASG_5VG0B5VS-part5 swap swap defaults 0 0
/dev/dis/by-id/ata-ST9250410ASG_5VG0B5VS-part6 / ext4 acl,user_xattr 1 1
[code]....
I did see a message before, that I don't see anymore, that said it could not start NFS services due to missing entry in fstab. Another I'm seeing now is it couldn't start the avahi-daemon, no space left on device. This is odd, since I have a 200GB drive, with half of it left, only max 30GB set to VB. Here's my df -k output:
/dev/sda6 Use% is 100%
devtmpfs Use% is 1%
tmpfs Use% is 1%
/dev/sda7 Use% is 46%
So root "/" is mounted on /dev/sda6, which looks like it could be a problem, but why would this suddenly be a problem after working with VirtualBox? Could this be a matter of just freeing up space on /dev/sda6? Like the /tmp folder that's under "/"?
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Dec 22, 2008
I have a desktop running Hardy and till friday it was running good. Today is monday and I guess it has got monday blues like I get every monday at work.Today I tried to start it as usual but it just refused to go further than login screen. I just can not login. It just hangs it there. I do not know what has gone wrong. I did not change anything since friday and no one else uses it. Theres nothing in logs that could give any idea. It just hangs without any reason and is still on the login screen for ever. It does ask my username and password but then it does not go further.But to my surprise I tried logging in with root and it gave me expected error that system administrator is not allowed to login from gnome.
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Feb 17, 2010
I have done a clean intall of Ubuntu 9.10 (K. Koala). Got everything up and working with 2 users, me with full privelleges and my son with a ltd account. Everything was working well so I moved the PC to my sons room, connected it to his TV and was able to log in as both users.
I changed the display settings on his account as when using the 1360 x 768 (16:9) setting the top bar and the last icons on the screen weren't visable, the desktop also started about 2inches from the left hand side of the screen, so changed them to 800 x 600 and whole desktop visable.
I switched user and did the same to my desktop. Then switched the pc off. I come back to it now, boot it up, get to the user/password screen, select me and enter my password, the screen flickers, little Ubuntu drum roll, and I return to the login screen. So I try my sons login, same result. No password authenticaion message, so I guess this isn't the issue. Surley just changing display settings can't have this effect?
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May 5, 2010
I recently upgraded to Ubuntu 10.04 LTS and at first, everything was just fine. This issue came about yesterday, as far as I know, while my screen was locked. The login screen now displays only half of the original login screen (left side) and the other half (right side) is an odd view of a black background with a white box in the center (see this mock up). Another note of interest is that the right side pans as I move the mouse around the screen, as if the right-side view were a second view port to the login screen without displaying it properly.
I am not able to log in whatsoever. An incorrect password results in the standard error message. A correct password results in a temporary black screen, as if to load to the desktop, but then redisplays the login screen as if I hadn't logged in at all. I'm not sure where to begin, as I cannot login to run any commands and the grub menu does not give options to start in safe mode--it just loads directly to the latest instance of Ubuntu.
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Jul 13, 2010
I have this situation: I installed F13 on my laptop having an Intel Graphics Media Accelerator. The screen of my laptop was flickering and i did a 'yum update'. The flickering didn't stop, but after suspending the system once, the flickering stops and everything is fine. Now after each reboot i have to suspend the system once for the flickering to stop. Please help.
After discussing in #fedora in freenode, some people asked for these (i'm posting in case you need them too):
$ lspci | grep -i vga
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 12)
/var/log/Xorg.0.log -> url.
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Jan 17, 2011
I may be a beginner to Ubuntu 10.10, but I'm fairly certain that this is weird: I have had no trouble logging into my Ubuntu 10.10 netbook until this morning. Now I am unable to get past the login screen. It says that there is an Authentication Failure, which is bogus. Not only should the password work, but it does in the Terminal. I am able to login to the terminal and gain root access.
I can even change my unix password, but no matter what I try I can't get to my desktop. I did run into a major issue with a frozen program. Rather than reboot, I tried to close it using the kill command. What ended up happening was that all that remained was my wallpaper, probably a bad move on my part, but I'm a rookie. I think I killed all running applications. This happened last night... so probably related.
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Sep 1, 2010
here is Maneesh Kumar Dhiman from india persuing B.Tech in computer science and Engg. i am using ubuntu 9.04 and i have the problem with it that i cannot being able to update it by following ways:
1. by using snaptic package manager
2.by using update manager
3.by terminal commands and also i have a problem with U9.04 n that is i can not being able to login from user screen as a root.
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Jun 8, 2011
I have laptop with Mobility Radeon HD3200 graphics. Gnome 3 works more or less fine until I start Skype. When Skype is running switching between the windows is a pain in the a$$. The screen flickers, looks crappy, takes ages to refresh, etc. Anyone experience similar things? I also noticed that when I start yumex I also get the screen doing the same things as with Skype, but to a much lesser extent and only for a few seconds. Could it be related to the network connection? Running F15 64
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Oct 14, 2009
I clean-installed Fedora 11 and everything was running well. I wanted to try Bacula backup program and so I installed the Development package in other to compile Bacula. When I finished the installation, I discovered a bunch of foreign language supports had been installed. I just erased them. While doing so, I must have also erased some other files.
When I rebooted, the bootup process went well until just before the login screen. The screen showed the Fedora logo, f, and got stock there. I was able to login remotely from another local network computer via vncviewer. I found that GNOME dsktop was missing. I logged on to Fedora 11 text mode by issuing CTL+ATL+F3 and did 'yum groupinstall "GNOME Desktop Environment" By remote login from another computer, I determined that the GNOME Desktop had been restored. But the Fedora 11 still stil stuck just before the login screen. What do you think is missing? What do I need to reinstall?
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