Ubuntu Installation :: Wrong Configured Gnome-screensaver (black Screen)?
Feb 24, 2010
all I wanted to get was the "rss-glx"-package as additional screensavers. I am not proud of the results:So I used the Synaptic tool, and since that time the gnome-screensaver shows a black screen instead of any GL-animation in the preview-windows (the small and the big one). The simple screensavers still work (e.g. the Gnome feets).I propably made it worse when trying to uninstall gnome-screensaver and installing xscreensaverxscreensaver crashed on each preview (if the screensaver was installed) and printed an "exited abnormally" (yellow lines on a black screen).Then I was trying to get the original state back - without any "rss-glx".Still not succeeding, the GL-screensavers show nothing except a black screen (e.g. AntSpotLight).So what do I have to do to get back the original state (or to run rss-glx)
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Oct 1, 2010
Alright guys. I need to find a way to enable a black screen screensaver (or turn off the monitor, or something to avoid burn in) while the machine is sitting at the login screen and completely turn off the ability for the computer to sleep. how I can accomplish that?
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Mar 8, 2011
USB driver bug exposed as "Linux plug&pwn" or this link.Two choices [GNOME, Fedora 14]:
1 - use the gnome-screensaver
2 - use the "switch user" function [gnome menu -> log out -> switch user]
So the question is: which one is the safer method to lock the screen, if a user leaves the pc? Is it true, that using the [2] method is safer?Why do i think this? - The gnome-screensaver is just a "process", it could be killed. But if you use the log out/switch user function, it's "something else". Using the "switch user" function, could there be a problem like with the gnome-screensaver? Could someone "kill a process" and presto...the lock is removed?Could the GDM [??] "login windows process" [e.g.: a picture of it] get killed and the "lock" gets owned?
p.s.: if the [2] method is safer, then how can i put an icon on the GNOME panel, to launch the "switch user" action by 1 click?
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May 19, 2010
There's an OSS screensaver on windows that I love called PixelCity (links:blog post, github). it's pretty cool. and it runs fine on my Ubuntu (Karmic 9.10) with wine.Is there a way I can tell the gnome-screensaver about it so I can use it as one of my screensavers? I'm still fairly new to Gnome and the whole "screensavers as themes" thing is still confusing me.I've found my themesdir and tried to create a .desktop file for it, but obviously I've gotten something wrong as it just doesn't show when I open the screensaver prefs dialog, no error, no message, it's just not there.
Installing the xscreensaver packages added the extra screensavers I was missing, and I'm a pixelcity away from perfection..Of course the perfect solution would be if someone ported the screensaver natively to linux, which shouldn't be too hard as the source is open, it already runs on openGL and tries to confine most windows stuff to a single file. But I don't know C++ or 3D code or win/linux internals so I wouldn't know where to start..
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Dec 22, 2010
I am using F14 installed from DVD, updated to the latest bugfixes for all packages; I also have the nvidia proprietary drivers installed.I have configured my gnome-screensaver using gnome-screensaver-preferences to have a delay of one hour before it blanks the screen. However, no matter the settings I choose (even testing with only a 1 minute delay) the screensaver always kicks in at the 10 minute mark. This persists no matter the graphics driver I use.The only means by which I can stop the screen from locking while watching videos online is to kill the gnome-screensaver daemon.What information should I provide to assist in determining why this is happening? It's very aggravating. I'll include my current xorg.conf in the event that it may help.
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May 12, 2010
I can't seem to get Ubuntu to run on my old Dell Dimension 2300. It boots to a purple screen then it goes to a black screen with a load of writing nothing else happens after this screen. [URL] Could someone advise how I can get it to work?
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Nov 2, 2010
Yesterday I attempt to use update-manager to do a distribution update. all was going good. i went to the kitchen to get a coffee and returned to a black screen with no cursor. the install couldnot have finished as it was still downloading updates i believe.
on reboot gnome did not respond so my last resort was to use kde for the time being. by running update-manager through kde I successfully updated to ubuntu 10.10. After completion of the update i restarted and gnome still had a non respinsive black screen on login.
Kde is still working fine.
Or at least how can I completely reinstall gnome.
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Dec 9, 2010
(Using Ver. 10.04-lucid lynx) This is because, at random, Gnome environment will have some kind of problem, leaving me with a black screen, like the terminal but not it, where I can enter my password and that's just about all. There seems to be no way to enter the graphical linux environment. I was forced to wipe the hard drive clean twice because of this and both times I reinstalled lucid lynx.
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Feb 20, 2011
Here is the solution. (I don't know how to change the title of the original thread to indicate that the problem is solved, so I've started a new thread with a link. There must be an easier way!)
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Jul 16, 2010
I have a problem in gnome desktop.i have started getting a black screen with a X cursor in my centos.see the preview:[URL]
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Mar 14, 2011
i have installed Ubuntu 10.10 and played around a bit and have got it booting into cli instead of the login screen. gnome is my default desktop environment but i wish to run kde along side to play around with. When i boot into kde using startx kde (usualy just using startx) all i get is a mouse, black background and a terminal screen.
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Apr 7, 2016
After applying upgrades to debian 8.2 on a lenovo yoga3 notebook and a reboot I am not able to login into my GNOME desktop. The login screen stays black. If I press the power button to suspend I can see the login screen with default background for ~1 second before it turns black again. What can I do to fix this issue? Is there a way to login via terminal and do a rollback? Can I use my home folder an personal settings if i reinstall debian and keep the /home partition?
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Jun 10, 2009
I upgraded Fedora 10 to Fedora 11 via preupgrade. And now system succesfully boot, but Gnome doesn't starts (i think). There is only black screen and I can only write there.
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May 27, 2011
'm trying to duel boot windows 7 and ubuntu 11.04 on an Acer Aspire 5736, but when I try to boot from the cd (which I burned with InfraRecorder) it first goes to a black screen with a blinking under score in the corner, then to a purple screen with a couple symbols at the bottom, and then the screen goes black and nothing else ever happens
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Jun 1, 2010
After succesfully installing Ubuntu 10.4 x32 and rebooting pc hangs on black screen with a flashing white dot in the top left corner of my screen, i've tried installing it twice with the same results.
my setup is: Asus p5q-e,
4 gig of corsair dual ram,
ati 4850 graphics,
onboard audio.
ahci mode
win 7 installed on intel ssd, and xp on a samsung 320 gb sata 2,
i had this configuration running fine for 2 months without boot loaders,
on pc start up i choose from which hdd to boot from.
i installed ubuntu on the samsung drive where it was recognised fine, wiped it all and installed automatically.
pls let me know if there is anything i missed, and advice if possible in what to do.
thanks
kannanni
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Mar 6, 2010
I was messing around with the screen orientation and thought it would be funny to orient it sideways. Big mistake The screen went black.I can force a shutdown, login and I get the same black screen. I tried hooking up an external monitor and the monitor showed no input so I'm guessing my laptop doesn't have that capability with Fedora.This is my main computer.
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Feb 22, 2011
another post about this. I just don't know how to handle this, as I'm pretty nsee the grub loading menu, but screen just freezes after, no way I can reboot, or open a console. In recovery mode I can log as root in console, though.I run Debian 6, 64 bits. I have an intel q6600 and a nvidia geforce 9800GX2.
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Sep 20, 2010
on an older computer. I get as far as the screen that asks if I want to try or install and then I get a message saying the screen resolution is wrong and I need to reset. I even disabled the hard drive in bios and still get this message. computer was built to run xp and had ubuntu on it before. I tried to upgrade the nvidia driver and broke it.
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Jan 21, 2010
We've just installed debian xfce lxde....after all this time to get it....when we boot up to the login screen it keeps saying wrong uder name or password
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Jun 24, 2010
Problem-PC automatically boots into a black screen with blinking cursor. No message or nothing
I have 4 HD. Primary drive has Windows Vista, Secondary no OS installed. Sata1 HD Ubuntu 10.04, Sata2 Windows 7. Prior to installing windows 7 all was perfect but once I did it, grub got all screwed up. The only way I can boot into grub is if I manually select my Sata1 which has Ubuntu on it and only then it allows me to select Linux or Windows OS. How can I change that so it can boot up normally as before? I'm assuming that grub was installed in the primary drive which has vista on it, but once I installed windows 7 it got deleted and when I tried reinstalling Ubuntu, the grub was not installed in the primary drive.
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Jun 29, 2010
I have spent the better part of 2 days perusing these forums for assistance. Here is the short story:I run a 7 year old custom build with a 82865G Intel Chipset and a NVIDIA FX5200 graphics card. Had been running a sluggish XP and after adding 2GB of fresh RAM wished to start fresh with my old friend, Ubuntu.
I've tried 10.04 LTS with and without my NVIDIA card installed with no luck. I have successfully installed 10.04 using the alternate install, but this also goes to black. I can hold shift to see GRUB and play around there, but no luck so far. I've also tried 9.10 but have not gotten past the pulsing Ubuntu image. I've seen plenty of support for NVDIA and Intel onboard graphics chips suggesting boot commands like nomodeset and i9015.modeset=0/1...it's all falling short.
I'm heavily leaning towards just installing an earlier LTS or a different linux distro all together. If there no one can help me debug, maybe someone can suggest a distro that will make me happy.
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Oct 16, 2010
I've installed ubuntu 10.04 onto my Dell Latitude e6510 (through the wubi installer), but I can't get anything except a black screen. I'm pretty new to ubuntu, but after a bit of looking around at graphics issues I found a bunch of boot parameters and tried different combinations of them. i915.modeset=0 Gave me the purple loading screen, until the screen went black and I got flashing caps lock and scroll lock lights.xforcevesa gave me a completely black screen -- not receiving power at all
I also tried noapci, acpi=off, irqpoll, and pci=routeirq as parameters. None of those had any success.I've also tried letting ubuntu boot with a black screen until I heard the African drums and pressing Ctrl+Alt+F1 to go into the console, but the screen stayed black then as well.
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Oct 17, 2010
I wanted to get a screensaver as my background so I installed xscreensaver didn't work out to the way I wanted to so I removed it apt-get remove xscreensaver then it asked for some other packages to be removed so I did apt-get autoremove xscreensaver was still there working instead of gnome-screensaver so I did a command search to find folders of xscreensaver and remove them whereis xscreensaver and it did remove them, but gnome-screensaver still doesn't start up.
I've tried this command gnome-Message: screensaver-command --activate but I get this error: Message: Screensaver is not running!
I've tried googling for a way to start gnome-screensaver in terminal but no joy, anyone know how to get this to start.
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Mar 12, 2011
The Gnome Screensaver preferences window is freezing my desktop. I went into synaptic and tried to remove it (to use xscreensaver instead). But synaptic, in removing gnome-screensaver package, wanted to ADD a bunch of packages, lots of KDE stuff (which I don't want). Is there any way around this? If not, is there a way to reset the gnome-screensaver config file (whatever it is) so that it doesn't freeze on startup? This problem arose after I selected a particular screensaver in the gui window.
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May 1, 2011
I have downloaded Last version of Ubuntu 11.04 and installed it. The installation went correctly with some flickering in display during installation. But the real problem starts after installation, when I turn on my PC and select Ubuntu from GRUB, the screen flickered a lot and then went black and PC got hanged.
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Jun 14, 2011
everytime i try to install ubuntu 11.04 the screen is just black is there any fix for this ?
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May 1, 2010
After the upgrade from 9.10 to 10.04 resulted in a black screen after reboot, I decided to don't waste more time, backed up my data and made a fresh installation.
First Issue [solved]: After I inserted the Kubuntu 10.04 Live-CD and started the system, I got to the CD's boot-mode selection menu. When I selected "Install Kubuntu", I got the Kubuntu bootscreen, but the system hang up then. I was able to solve this problem through pressing F6 in the boot-mode selection menu and setting "nomodeset". I also had to remove "quit splash" from the boot-entry line. Afterwards the installation process was fine.
Second Issue: I wanted to boot my new installated system, but, off course, got the blank screen again. So I edited the Grub-entry for recovery mode in the grubmenu (replaced "quit splash" with "nomodeset") and booted into recovery mode. I selected "netroot", and installed the proprietary nvidia-drivers with "apt-get install nvidia-current". Afterwards I ran "nvidia-xconfig" to generate the xorg.conf. To solve the blank screen issue, I edited the /boot/grub/grub.cfg the same way I described above and rebooted. Now I don't get a blank screen anymore, but I also don't get an XServer. The system boots now (off course without splash and "unquit"), but drops me into the tty1... When I type "sudo service kdm start", I get into KDM and can login, but I get many errors and crash-reports there. I also don't have any internet. I only have internet when booting in recovery mode and select "netroot".
I'm a bit surprised that Ubuntu released a LTS-Version that causes so much trouble (I've searched the forum and it seems that I'm not the only one with such big problems). Has Ubuntu droped support for NVidia-users?
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May 12, 2010
Although xscreensaver is much better and liked by many users, the Ubuntu devs replaced it with gnome-screensaver simply cause -
1) It's integrates better with the gnome-desktop.
2) It follows release cycles of Gnome.
Since the devs and admins won't listen, we users have to clean their **** up and this is the howto - In Ubuntu, the gnome-screensaver is running; but xscreensaver is better, so we need to replace it. The gnome-screensaver runs as a daemon...removing this gnome-screensaver package will remove this executable also -
[Code]...
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Aug 26, 2010
I noticed that when typing in your password after locking the screen or a screensaver, the program focussed behind it is able to catch the input...
This sounds like a huge security risk to me, is there anyone who can test this? (Only noticed with game in wine, perhaps you need low level xorg access)
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Dec 20, 2010
I have an Ubuntu 10.10 box authenticating Users against an LDAP server. User authentication works fine - ssh, console or Gnome.
The only place it has an issue is when the gnome-screensaver is activated and locks the computer. When I try to enter the correct password at this point I get these error in the logs;
Dec 20 14:42:23 box-ubuntu unix_chkpwd[12240]: password check failed for user (myname)
Dec 20 14:42:23 box-ubuntu gnome-screensaver-dialog: pam_unix(gnome-screensaver:auth): authentication failure; logname= uid=10038 euid=10038 tty=:0.0 r
user= rhost= user=myname
Dec 20 14:42:23 box-ubuntu gnome-screensaver-dialog: pam_ldap(gnome-screensaver:auth): Authentication failure; user=myname
[Code]....
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