Ubuntu :: GUI Is Broken - Just Blank Screen After Login
Jan 28, 2010
Using Karma and kubuntu -single boot. When I restarted my machine, the login appeared as usual and I entered my usual password but it was not accepted . I tried several times including making sure that caps lock / num lock etc were not invoked.
I then rebooted into recovery mode and let it run its course. When I rebooted and input my login password, I can get a bit further. The login is accepted but the GUI opens with a blank wallpaper and the terminal prompt window open at the keevill@keevill-desktop.
The ls command shows the name of the files which are on the desktop but they are not visible on the GUI nor are any other icons for applications. It seems like the kubuntu GUI is broken or something. I tried uninstall and then re-install but just the same. If I am forced to re-install Ubuntu I guess this means I lose all my settings and applications will have to be all installed again ?? How can I avoid this?
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Nov 2, 2010
I installed Win7 after Ubuntu (10.10). I attempted to reload grub so that I would be able to run them dual boot and now I can't load anything.
I followed the guide here: [url] and went threw it a couple of times now to make sure it wasn't user error.
I am using a live cd from 10.04 because it's the only one I have. Any chance that's why it isn't working properly? I wouldn't think so, but I assume that it's possible.
If that is the case; Any way to solve it without using the live cd? I cannot burn a new disk because I have to boot from disk to use my computer right now.
I just get a flashing cursor on a blank screen when I try to load.
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Nov 16, 2010
I have dabbled with Linux in the past. Previously I have failed to get various important parts of my laptop to work under Ubuntu, but that one died, so I decided it was time to try again.
It seemed to work on the liveCD, so I went for the install, which also seemed to go ok, but when I start up, I get to log in, then it stops. Plays the start-up sound, displays a blank desktop background, but nothing else...
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Sep 2, 2010
Right after logging in, as the graphics starts up the screen goes blank then goes to tty2 with a login prompt and no graphics at all. I have Kubuntu 10.04.1 I used the standard Kubuntu install disc. The Computer is a Compaq dm 220mt desktop 2.80 Ghz, 1.2 GB Ram, 40 GB Hard drive. I originally had Ubuntu 8.04 on it and it ran perfect. So I decided to do a fresh install of Kubuntu 10.04 and it worked great for a day or two, then this issue happens. I am able to log in tty and tried "sudo startx" in hope of getting my graphics back. I get the following errors "Fatal Server error No screens found" and "xinit no such file or directory (errno 2)" and unable to connect to server..
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Nov 1, 2010
I just got rid of my Dell P990 CRT and replaced it with a Samsung B2330H LCD. I got the resolution changed to 1920x1080 at 60hz through System/Preferences/Monitors and the new display looks great! There is one problem, though: the computer boots into a resolution that is not supported by the new monitor. As a result, the login screen is blank. The monitor puts a little floating message on the screen that says, "Optimum Resolution is 1920x1080..." When I start up, I hear the "bongo sound" and I hit ENTER, then enter my password, then ENTER again, and the computer desktop appears in 1920x1080 and all is well. But how do I get the login screen to appear in 1920x1080?
This is Ubuntu 10.4, using the Intel onboard card. Here's the output of lspci:
Code:
I have installed the Startup Manager, but it does not allow 1920x1080 to be selected. I have also tried using Startup Manager to select other resolutions, but the login screen is still blank.
Isn't there some trick to force the login screen to appear in a specific resolution using xrandr? What file does this command go into? Maybe my old configuration files from my Dell monitor are interfering?
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Jun 22, 2010
So, a friend's computer, running 8.04, refused to boot for a while, so I took a look at it. It appeared to boot fine, but when I got to the login screen, it crashed when I started typing. I did a hard power-off, booted it up again, and tried to update the packages (it has been disused for a few months, and I suspected that the problems had been fixed). Synaptic told me that I would have to uninstall a bunch of packages in addition to updating, which was all fine and good, but then it crashed at the end of it's purge, and left me wondering if the system would be stable afterwards. The update manager told me that I had broken packages, but then went on updating a few of them. When I went back to synaptic, it disagreed, showing no broken packages. I tried to open Firefox, but then GNOME crashed. How do I do a mass reinstall of all of the packages, and do I do this before or after I update the packages?
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May 18, 2010
I have windows 7 on my laptop (Dell Studio model). I have installed fedora 12 onto my machine in the unallocated space, the installation went smoothly. If I login to the fedora directly then every thing works fine. but if I login to Window 7 and again try to re-login into fedora 12 after shutting down the winows 7 then the booting screen will become black (almost invisible) even though I can be able to login and can go to the desktop (which is also very least visible) if i click on suspend and then click on the power button then the screen will become properly visible.
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Aug 17, 2010
When she wants to log into xfce, there is only a blank screen. The cursor shows, but there is no way to go any further. No panel, buttons or background.
However, she is able to log in using XDMPC from a local computer without a problem.
There are the processes active under both settings.
Direct login
Quote:
xfce4-session
xfconfd
xfwm4
xfsettingsd
xfce4-settings-
[Code].....
Questions:
What may have caused xfce not to load some modules on log in? How to fix it, to allow a normal login? How to prevent this problem in the future?
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Mar 28, 2010
I just upgraded from 9.10 to 10.04 beta and now I get the login screen - but after logging in, all I get is a blank screen with a black bar on top showing just the time on the top right hand corner. If I CTRL+ALT+F1 and reboot using the command line, it restarts showing mythbuntu on shutdown. Im have nVidia GEForce 8600 - is this due the X crashing? I tried all these - no change
Code:
sudo dpkg --configure -a
sudo apt-get install --reinstall ubuntu-desktop
sudo apt-get install -f
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Jul 30, 2010
I installed Lucid Lynx on a medium-old system, Athlon 2200+ with an ATI video card. No problems during the install itself. The problem is that when I boot into the login screen, I get a bunch of blank boxes. If I move the mouse around, I can see various areas highlighted, but I can't actually see the menu options. I can type in my username and password to log in (not being able to see what I'm typing), but then the desktop panels are empty boxes - once again I can mouse over them to get empty drop down menus, but I can't see anything else.
I've had enough experience with Ubuntu in the past to do some troubleshooting myself. Usually I would just boot into a terminal, switch Xorg to use the vesa driver and go from there. However, a number of decisions in Lucid Lynx have made troubleshooting practically impossible.1 - No grub menu. No way for me to pick a safe boot option.2 - Install CD doesn't come with any rescue boot options.3 - Ctrl-Alt-Backspace to kill the X server and Ctrl-Alt-F1 to boot into a shell don't work.4 - the default filesystem is ext4, which means my old rescue CDs aren't likely to be of much help.Sigh. I understand that Ubuntu is trying to make things look pretty and all, but these user-friendly changes are making it near impossible to fix a problem like the one I have. I just downloaded a System Rescue Linux CD but it's kind of late to be trying it out now.
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Aug 7, 2011
Just installed 11.4. First effort with OpenSuse but have previously used Ubuntu on another machine. Installation went great. After I log in the screen goes blank with just a mouse cursor, everything else is black. Boots okay in recovery mode.
This is a dual boot with Windows XP. Machine boots into windows as expected.
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Aug 13, 2011
I have opensuse 11.4 installed with both gnome and kde. These are the things I did before the problem:
1. changed the login screen to oxygen login screen
2. Then I logged off and when again logging in, I chose the session as Metacity.
But unfortunately, the the blank splash screen appeared and it didnt get into the desktop. Then I did a hard restart (By pressing the power button). Since then, I cannot login. The login screen is blank left only a active mouse pointer. Even booting into failsafe also didnt work.
By the way, I have chosen the option of directly logging in without password prompt at login. (during installation)
Only a week before i did a clean install since i corrupted the grub, dont wanna install again.
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Jun 6, 2011
I'm relatively new at Linux, and I am trying to get Nagios to work correctly. I'm running CentOS if that matters. I think I followed the directions here correctly, but all I get is a blank white screen after I login. The documentation page works fine, but I don't see anything on the main http://localhost/nagios page. I have looked at other solutions to this problem (adding the correct path to the open_basedir in /etc/php.ini) and that still did nothing. Any Way to decode my httpd logs... Any time I refresh, I get these four errors from /var/log/httpd/error_log:
[Mon Jun 06 09:56:15 2011] [error] [client 127.0.0.1] PHP Warning: require_once(/usr/local/nagios/share/includes/../config.inc.php) [<a href='function.require-once'>function.require-once</a>]: failed to open stream: No such file or directory in /usr/local/nagios/share/includes/utils.inc.php on line 4, referer: http://localhost/nagios/
[Mon Jun 06 09:56:15 2011] [error] [client 127.0.0.1] PHP Fatal error: require_once() [<a href='function.require'>function.require</a>]: Failed opening required '/usr/local/nagios/share/includes/../config.inc.php' (include_path='.:/usr/share/pear:/usr/share/php') in /usr/local/nagios/share/includes/utils.inc.php on line 4, referer: http://localhost/nagios/
[Mon Jun 06 09:56:15 2011] [error] [client 127.0.0.1] PHP Warning: require_once(/usr/local/nagios/share/includes/../config.inc.php) [<a href='function.require-once'>function.require-once</a>]: failed to open stream: No such file or directory in /usr/local/nagios/share/includes/utils.inc.php on line 4, referer: http://localhost/nagios/
[Mon Jun 06 09:56:15 2011] [error] [client 127.0.0.1] PHP Fatal error: require_once() [<a href='function.require'>function.require</a>]: Failed opening required '/usr/local/nagios/share/includes/../config.inc.php' (include_path='.:/usr/share/pear:/usr/share/php') in /usr/local/nagios/share/includes/utils.inc.php on line 4, referer: http://localhost/nagios/
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Dec 20, 2010
How do you change the default runlevel in Ubuntu 10.10? I need a solution that I can execute by editing text files; right now I'm accessing the Ubuntu filesystem by mounting it to another OS on a different hard drive.
The long and the short of it is that I'm getting a blank screen at login time. I suspect it's a driver issue (I have an Nvidia card) and it shouldn't be hard to fix... but I need a console. And no, I can't get in via Grub... my main OS is Slackware and Lilo is controlling the bootloader. So I need to be able to change the runlevel, and thus far a Google search has proved unenlightening.
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Jan 5, 2011
I've run into a strange problem with GDM that I haven't managed to find a solution for yet, either by trying myself or googling, and I have run out of good ideas. I'll just infodump here about the problem and what I've tried etc;
I installed Ubuntu on a new PC a few weeks ago, setting it up with autologin for my mom and a separate user for myself, using the on/off-icon menu in the top-right corner to switch to my own user and back as needed, and logging the user out when done. This worked quite well.
However, a few days ago, this stopped working; logging out or trying to switch now leaves me with a blank black screen, without even a mouse pointer (but not off, the backlight is on).
EDIT: To clarify, this is an issue that only affects the GDM login screen, but that affects it whenever it is used, wether it is on boot (when not set to autologin), after logging out, or when trying to switch user.
At this point, I can usually use Ctrl-Alt-F1 to get a textmode login, and Ctrl-Alt-F7 to get back to the auto-logged in session (assuming I tried to switch, not logout).
I can't think of anything specific I did or installed around then that should be related in any way...
I tried disabling autologin and restarting gdm, which left me with the same black screen (which is still there after rebooting), instead of the expected login window. I managed to re-enable autologin by manually editing the /etc/gdm/custom.conf file, so that it would at least work for mom.
I've also tried to change which user is auto-logged in, thinking it might be a problem with my user account, but both users get an automatic session just fine when I restart gdm.
I thought it might be a problem with the video driver, but that's not the case - if I run zenity --info as root with DISPLAY set correctly, the dialog box appears on the screen just fine. It has no borders or titlebar (there's no windowmanager), and is apparently without keyboard focus, so since there's no visible mouse pointer I can't click the OK button... But since it appears, X is apparently up and running just fine, just has nothing to display other than a black background.
I tried purging and reinstalling gdm and gnome-session(-bin|-common), but that didn't help any.
Running ck-list-sessions after trying to switch indicates that there's a new session there, with session-type = 'LoginWindow', so it appears to think everything's fine.
Enabling debug output in the /etc/gdm/custom.conf file did get me some more debug output in the gdm logs, but it didn't really tell me anything, there weren't any obvious problems that I could see.
After some looking around, I've guessed that it's supposed to be running gdm-simple-greeter, which I assume would display a login box; trying to run it manually doesn't work though (it's missing some environment variables, and trying to add them based on the abovementioned debug output doesn't really help).
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Sep 1, 2011
I just did a fresh install of natty, installed a few programs along with the ati catalyst control center.
I am having serious login issues, here is what I do:
I am at the login screen right from start-up, type in username and passward and hit enter, screen goes blank, it appears I am logging in, ubuntu plays a sound and puts me back at the login screen. I do not get an "Authentication Failed" error like I would expect. Unable to login as myself or as root.
However, I am able to login if I select the "safe mode," I am not able to login under the normal mode or the ubuntu classic modes.
I suspect that this issue has to do with the ati proprietary drivers, after playing with the settings for a while in safe mode I am now able to login to the normal natty mode without any apparent issues.
Here is what I changed in ati catalyst control center to boot into natty mode:
I disabled the Xinerama and Tear Free options.
Under the 3D settings, I selected the "override application setting" for all the 3D settings I could.
I believe I still have some display issues as I am unable to drag windows from one display to another, my mouse is able to move just fine across displays though.
I also found that enabling Xinerama prevented me from logging into the ubuntu and ubuntu classic modes, but I was able to login to the ubuntu with no effects mode.
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May 15, 2010
and this morning's updates broke x. I get a blank screen instead of the login. I'm running an Nvidia 7900GS. I tried re-installing the Nvidia drivers... no good. I switched to the nv drivers and got further; I got the login screen, but when I try to log in it gives me the KDE splash screen and then takes me back to the login screen. I'm not sure what to try next.
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Mar 20, 2011
1. Is there a way to change the broken glass/monitor background on the login screen???
2. I have tried to login as root, but it will not accept the password, but if I login with my user name and need to change things that require root privileges the password works fine.
I worked a little back in 05 and 06 with FC4 and FC5 but nothing until now..
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Jun 3, 2010
I am trying to put FC12 on a new Dell E6410 (laptop) with video "00:02.0 VGA compatible controller: Intel Corporation Device 0046 (rev 02)". I used the Live disk and successfully installed, but then I updated. Thereafter when I boot I get a black screen. I cannot even get to the login.
Unfortunately I really do not know where to start to try to trouble shoot. (I can get into run level 3 on the latest kernel). Also the issue seems to come about from kernel 2.6.31.5 to kernel 2.6.32.12 since the blank screen issue does not arise in the former. For now I switched the order of these kernel in GRUB so the older one boots first and this seems to work.
Although the blank screen is my most pressing issue, I am having others too (synaptic mouse, wifi, suspend, internal camera). Well, hopefully once I can run the newest kernel these issue will disappear.
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Jan 3, 2011
My screen goes blank for few minutes during booting to print the login page.
When I press ctrl+alt+f1 it shows and hangs at
Enabling /etc/fstab swaps
I show below the output of some commands:
[root@ws-test ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 76G 55G 18G 76% /
tmpfs 3.9G 0 3.9G 0% /dev/shm
/dev/sda3 56G 34G 20G 64% /hdd-1
[Code].....
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May 9, 2010
I am having the same problem, as soon as X tries to load my screen just goes blank. I have an ATI Radeon 9550. At first I tried switching between VGA and DVI as well but upon ruling that out, I switch to my on-board video card and that is working thus far, but I'm trying very hard to figure out a way to be able to switch back. Anyways I'll check back in later on if I have any new information I will post.
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Mar 10, 2010
I am trying to install fedora 12 on my computer. I have burned the live cd ISO and it works just fine until right before it shows the login screen. I suspect that it may have to do with my ati radeon 9800 graphics card. give me some boot options or some such thing so that I could install fedora on my computer. Also some other specs
ASUS A7N8X Mother Board
AMD Athalon XP
1GB ram
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May 17, 2010
When i use my computer (whether it's going online, typing, playing a flash game, or coding) I get these "Black Flashes" that are becoming longer and more frequent. A "Black Flash" is when my computer screen turns blank (but you can still see the backlight) and i have to press the NUMpad ENTER button, shake my mouse furiously, or click my mouse, which sometimes causes undesired actions, but gets me my screen back. sometimes the Black Flashes last a milisecond or 5 seconds or i have to hold the power button and restart because it won't come back on.
Specs:
Toshiba P205-S6337 Laptop
Ubuntu Karmic Koala
2.39 GB of RAM
[Code].....
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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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Dec 26, 2010
Is there a known problem with the Lubuntu 10.10 image here? I have downloaded it to two different computers, then burned the images to two different blank CD's (different brands) and neither loads. Both only get as far as the Lubuntu menu, once ENTER is pressed at that point to load the LiveCD, a blank screen eventually appears with a flashing cursor at the upper left of the screen, that's it. They were both burned using the slowest burn speeds available.
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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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Jan 26, 2011
The day started as usual until I got the very bright idea to install Ubuntu. A new OS along side W7, that sounded great. I checked some guides on the Internet, it was all very straight forward. Install it and Grub will show you the OS:es when you boot up. I installed Ubuntu, rebooted. After the BIOS messages the screen goes blank and my screen on-button begins to blink, as if trying to find a signal, I press enter, it reboots instantly. After BIOS messages I get to a screen that says "GRUB error: uknown filesystem grub rescue>"
I've looked through everything here and nothing works. I've tried to fix the mbr-thingy using Windows Repair and even though it says "one partition was updated with new boot-thingy" when I reboot, I get into that very same grub rescue. I think my setup has something to do with it. I run RAID0 (2x360Gb hard drives), first having C: at 50Gb and then the rest as F: for programs and such. What I did was that I shrunk the F: part and then used that as partition for Ubuntu. Also please have a look at these screenshots, my partitiontables and such seems completely wacky to the raid: Where should the boot-loader go? I'm very, very new at this. I've had Ubuntu Netbook remix on my netbook for a time but still treat me as an utter beginner.
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Oct 9, 2010
I'm trying to test out using xubuntu 10.04 on my one computer and keep getting a black/blank screen after selecting the 'try' menu option.Is there a way to fix this?I have tried some of settings via F6 with no luck.
FYI -The CD works fine as I have tested it on other machines.The version I am trying is xubuntu x86 (although I have tried ubuntu 10.04 x86 with similar results).I can Alt+Ctrl+F1 fine and get to the cmd prompt
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Jan 14, 2011
I fixed this issue on 10.04, but just recently (1 hour ago) upgraded to 10.10 and am having the same issue. Machine boots fine, but the screen is blank for most of the boot, and plymouth is up for about a half second before I get to the login screen.I've tried searching the threads, but for the life of me I can't find the solution and can't remember what I did to fix it on Lucid.
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