Ubuntu :: Commands - Sudo Kill -9 -1 - Screen Became Blank - Keyboard Not Responding
Jul 11, 2011
I am learning linux commands. I just wanted to see what happens when I type
Code:
The screen became blank. Keyboard was not responding. I couldn't do a proper shutdown. I switched off computer by pulling out the plug. When I restarted, I heard a series of beeps (approximately 10 beeps). Then I was dropped to the grub prompt. The problem now is I can not type anything into the grub prompt, because the character 'c' is continously printed across the screen like this:
Code:
I couldn't stop the character 'c' from printing (I tried pressing Esc, Ctrl+C)
The solution is easy. I can reinstall grub from a livecd. Or even reinstalling the entire operating system wouldn't take more than 30 minutes. But I want to know:
1) What exactly happened to grub? What stage does this error belong to (1, 1.5 or 2)? What is the error number?
2) How can running "sudo kill -9 -1" affect grub?
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Mar 24, 2010
I put Slackware 13 and the scenarios is:
1. I start the computer and after startx I got black screen, the keyboard is not responding the led of the display is yellow etc. Now I reset the computer,
2. Booting Windoze
3. Choose Restart not Shutdown from Windoze
4. Booting Slack
5. startx works fine, the X server is starting and working great.
I have Radeon 9500. I configured X server with 3D accel over 2500 FPS on glxgears. The same problem persists even with X server VESA configured.
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Jul 15, 2011
My ubuntu session will freeze and stop working. For example, the mouse and the keyboard will stop responding and the screen sometimes get divided into 4 smaller quadrants of the current screen.The only thing I can do after it freezes is reboot the machine.Would anyone know what is causing this?Also, I keep having to move my optical mouse from the usb slot into a ps/2 slot.And the same thing with my keyboard. I have 2 keyboards, so I can plug in the old ps/2 keyboard instead of the new usb keyboard. (the devices keep flipping)My machine is an AMD 3400 with an Epox mobo. Nothing like this has ever happened before, and I have been using ubuntu for more than 4 years without any problems.
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Jan 18, 2011
The only thing I remember being updated is xserver, but I know there were other packages updated.
After the splash screen, a text login is shown. If I do nothing, it goes right to a black screen, but first there are weird red pixels randomly strewn about the screen. If I quickly login via the text screen, it then goes to the same black screen. Either way, there are the weird red pixels and a few flashes of the screen before going black.
This happens 100% of the time.
I have tried:
booting with recovery mode and selecting repair packages (no packages are broken, missing, etc.)
booting with recovery mode and selecting startx with failsafe (same black screen)
booting with older kernels (same thing)
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Sep 10, 2010
I was wondering is there a way to bind say "F5" to the command sudo apt-get update so I can press one key to write this into the terminal?
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Aug 30, 2015
This started happening after I started working on the kernel image and initramfs tools configurations basically started trying to make my system work the way I wanted.I can be doing anything like playing worms or being on this forum and the screen turns black but I don't lose energy just nothing shows on the screen and my keyboard doesn't respond the num lock doesn't turn either state,
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Nov 10, 2009
It's two days now I'm in deep troubles after my last "yum update". The system boots as usual, the graphical login pops up the normal way but no input is handled by either the internal keyboard (the system is a laptop), the mouse pad, the external USB mouse and keyboard.
The hardware itself seems to be working as I can pop up the BIOS menus and even edit the GRUB booting line. But, after GRUB there's no possible input. I've tried to boot the system with the Fedora 11 DVD, rescue menu and then chroot. This in order to run a "yum update" in the hope that the problem was in some broken update. No chance: there's no update.
My questions are:
1. Is there a way to boot Fedora withou any graphical interface from GRUB (or anything else to skip the KDE)?
2. Is there a way to have the (cabled) network activated at boot *before* the graphical login?
3. What the he** is happening to my otherwise pefectly working laptop?
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Dec 19, 2009
I installed the new 9.12 cat drivers in the usual way (init 3; rpm -e the old drivers; generate new rpm; rpm -i new drivers; init 5), but instead of starting like I expected, I got a blank screen and what appeared to be a hard lock (keyboard lights don't toggle, Ctrl + Alt + Backspace and Ctrl + Alt + F1 don't do anything).
I switched back to radeonhd, but I'd like to get the proprietary drivers working if possible.
The usual listings
Code:
[nathan@ebisu ~] lsmod | grep fgl
fglrx 2323096 0
[nathan@ebisu ~] modprobe -l | grep fgl
extra/fglrx.ko
Looks like the driver loaded OK...
Code:
[nathan@ebisu ~] dmesg | grep fgl
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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May 15, 2009
I just updated my CentOS machine from 5.2 to 5.3. After rebooting, I found a few commands are not responding after the update.
The non-responding commands are:finger, groups,chown I did nothing after the update.
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Apr 4, 2010
My current situation is that the command "sudo modprobe ndiswrapper" is not responding, nothing happens. I am using [URL] as my guide and the "sudo modprobe ndiswrapper" is my next step. Here is some general information that you might ask for:
I received ndiswrapper utilities from "Synaptic Package Manager"
I was using jaunty jackelop before hand and the instructions worked perfectly but I decided to update to Karmic Koala 9.10 (I first installed the cloud enterprise version and realized that was way over my head).
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Apr 26, 2010
I got to the prompt in the subject line. Then I typed grep /sounds/ and return.Then the program stopped responding to commands. I could type things, but nothing happened. Not even when I typed kill -9 and return.Why did the thing freeze up? I don't think there is folder /sounds/.
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Nov 12, 2010
don`t know too much about ubuntu but i seem to have this weird problem...i`m running ubuntu 10.10 ,64-bit version, on my laptop [hp pavilion dv6 artist edition 2] and evey once in a while i can`t drag windows around like folders pidgin window and whatnot and also my keyboard is mainly non-responsive ...so far what i can do to fix this is ctr+alt+del and suspend or restart....but that`s really anoying
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Dec 22, 2010
I am experiencing problems with keyboard shortcuts. It started to happen after I installed gnome shell and switched back to gdk. the most annoying part is that every single keyboard shortcut works except the most used one AKA "run a terminal"
first I thought it had something to do with shortcuts in compiz but no. I changed the keyboard shortcut for "run a terminal" to something wild like CTRL+SHIFT+ALT+N and it still doesn't work. That command is not doing anything... Can i add my custom commands to keyboard shortcuts and how?
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Jan 6, 2011
I'm using Ubuntu Lucid 10.4 on a Dell Studio 1537 Laptop with a Microsoft Comfort Curve 2000 USB Keyboard. Currently, my keyboard is not responding at all. It's been like this for half a day now. With the exception that it was working fine for quite some time, it used to periodically, and randomly do this out of the blue. Meaning I can come up with nothing logical to tell me why it stops working. The only hint is that the problem first occurred after my upgrade from Ubuntu 9.10.
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Jan 17, 2011
Kubuntu 10.04 all updates until today.
All of the sudden my keyboard and mouse are not working any more. At login window keyboard is working OK so I can login (mouse is not working), but after login, keyboard is not responding unless I press the key for few moments (perhaps a second) until a keyrepeat begins. Only then key is accepted and echoed on screen.
Funny thing is, if I login as some other user, everything works as expected.
I have already ran Xorg -configure as su, but it didn't resolve the problem.
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May 10, 2010
I just upgraded from 9.10 to 10,4 via update manager and now when I switch on, the boot process seems to work but when I arrived to the login page, I can't use mouse or keyboard. The system is not freezed because I can see the watch on the lower right running properly.
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Jan 17, 2010
Yesterday night everything was normal until I rebooted to Fedora. This morning I switched back to Kubuntu 9.04 and the keyboard had a strange behaviour. Every button needs to be pressed ~2 sec. in order the letter to show up. And that happens in every application (shell, firefox, etc). I tried to upgrade to 9.10 hoping that it will return to defaults but the problem persist. Please help solve this issue, my work is hanging and all the programs I'm using at the moment are installed on my Ubuntu partition.
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Dec 2, 2010
I have a Microsoft Wireless Keyboard 3000 v2 and Microsoft Explorer Mouse Model 1362. The biggest issue I have right now is with the keyboard. The keyboard will start cutting out and not responding to keys. As soon as the cpu load drops then all is well. I have a PS2 keyboard that I keep plugged in just in case the load stays high and I need to type something. The mouse and the keyboard have seperate usb dongles, and when the keyboard is having issues the mouse is still working great. This tells me that either the USB radio for the keyboard gets turned off, or that something on my machine is weird. I have seen the EXACT same behaviour on 32bit and 64bit linux distros.
CPU: AMD X3 720 oc'ed to 3.22GHZ
MOBO: Biostar
RAM: 8GB
Video: HIS ATI 4890 (using FGLRX)
HD: Samsung 1TB 7200RPM drive
OS: Ubuntu 10.10 (tested also with Fedora 14, OpenSUSE 11.3)
Note: it happens with very little load and high load. Of course high load it happens all the time.
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Nov 12, 2009
I just installed the new OpenSuSE 11.2 release and after coming up in graphical mode the keyboard and mouse are not responding at all.
After that via a remote login force the machine back to runlevel 3 and this makes it able to login to the console and trying to start sax2 to make a new X configuration.
Well it doesn't read the old configuration but gets stuck as well.
The install was an update from OpenSuSE 11.1.
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Feb 5, 2010
On our SuSe 11.1 PC keyboard and mouse are no more responding although it did work properly until yesterday. We shut down the computer yesterday evening and today they do not work anymore. But it is not a hardware problem, we can use keyboard and mouse until Grub bootloader, but as soon as we start a Linux session (doesn't matter if normal or failsave mode) the keyboard and mouse are disabled, we can see that because the NumLock and CapsLock LEDs are switched off immediately.
We have no idea what happened. We booted from CD into rescue mode and mounted the hard disk manually and checked some logfiles, but the boot.log tells us that USB keyboard and mouse are detected, as well as the Xorg.0.log file. And we found no indication that keyboard or mouse are disabled or something like that.
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Feb 23, 2011
I'm using a Toshiba Satellite P505 Intel dual core and 6 gig ram with 64 bit Ubuntu 10.10. Every now and then (often while using Open Office), my keyboard stops responding. I have not reliably been able to reproduce this. It seems somewhat random. Additionally, clicking on any of the Ubuntu menu items such as Places, or Applications does not pull down the menu. Mouse seems to work other than that. If I press Alt-F3 and then Alt-F7, everything returns to normal. Any ideas what is causing this or if there is a known fix?
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Jun 1, 2010
I upgraded to 13.1 from 13.0 a few days ago. I have a Toshiba Satellite L3655D that I leave on constantly. Twice now, I have woken up to windows (urxvt and firefox) that don't accept keyboard input. I can paste into them and they respond, clicking is fine, but the keyboard either barely sends or is completely ignored - if I tap a bunch of keys, one or two might go through, eventually. New windows work fine, so I have to replace everything I have open.
edit:I switched to XFCE for 2 days and the issue didn't appear, but my other laptop with the same fluxbox settings also did not have any problems. I switched the original laptop back to fluxbox (and happened to upgrade the ATI drivers around the same time) and haven't had it happen since. If this happens to you, try restarting X.
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Feb 4, 2011
I have installed Ubuntu 10.10 on other machines before and have not experienced this problem. Occasionally, the system will lock up. They keyboard and mouse stop responding (my keyboard status lights no longer respond, but my optical mouse light is still on). I can ssh to the machine, and it seems to work as normal. I kill processes that are open on my desktop through ssh, (i.e., Firefox), and I notice when I switch back, I still have the same frozen image on my screen. I have looked at the following files to determine any issues with the GPU:
[Code]...
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May 2, 2011
Is anyone else having issues with their mouse/keyboard responsiveness via Synergy after upgrading to 11.04?
If I plug mouse and keyboard directly into the desktop the issue goes away. But when I connect via QuickSynergy and share my mouse/keyboard the mouse is very slow and has low sensitivity.
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Mar 20, 2010
I was following a guide to stop Ubuntu from always asking the root password. And apparently i messed something up in vsudo edit or something like that i was in... So now when i put in a sudo command i get this...
Quote:
>>> /etc/sudoers: syntax error near line 18 <<<
sudo: parse error in /etc/sudoers near line 18
sudo: no valid sudoers sources found, quitting
so i cant even get back to undo what i edited.
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May 23, 2011
I am unable to use sudo and su - commands. check my output below:
Code:
ubuntu@user1:~$ su -
Segmentation fault
ubuntu@user1:~$ sudo visudo
bash: /usr/bin/sudo: Permission denied
[code].....
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Jan 20, 2010
Occasionally my mouse and touchpad freeze. How can I kill an open programme with the keyboard (in Karmic Koala)?
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Apr 14, 2011
I've just installed Debian Testing XFCE, and mouse & keyboard don't respond to any inputs. The keyboard works just fine in the Recovery Shell, that's why I suspect a problem with the XServer.
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Mar 7, 2010
I recently installed suse 11.2 on my system and during the install the keyboard (Microsoft internet keyboard PS/2) and mouse (Microsoft optical mouse USB with scroll wheel) worked perfectly, but once I reached the login screen they both became unusable.
I also tried rebooting into failsafe mode but once reaching the login screen the same happened again, the only key that seems to work is the 'F Lock' key and the optical light appears on the mouse.
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