Ubuntu :: Crtl + Alt + F9 - Killed My System - Went To A Blank Screen
Mar 12, 2011
I pressed crtl + alt + f9 on my system and it went to a blank screen. I tried to get it to go back but it wouldn't so I rebooted. Now no matter which kernel I select from the GRUB, even in recovery mode I get the same blank screen and after a few minutes it says
Code:
I tried to use the "Rescue a broken system" option on my live cd but as far as I can tell its just a text installer and I can't fix this problem with it.
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May 27, 2011
I got the nVidia driver and Compiz installed. Everything's running fine . But then I tried crtl+alt+F1 - which worked though the font was way too big - and then crtl+alt+F7 to get back to the Desktop but it went to a black screen and blinking cursor instead. I searched a bit and it seems this was a problem a few years back but nothing recent. FWIW, I don't have this problem with Hardy/nVidia/Compiz on another drive in this same machine. Is there a way to fix this?
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Nov 10, 2009
So I pressed ctrl+alt+F3 and now my whole system is basically one big terminal - black screen and only accepts terminal commands. How do I go back to the 'normal' Ubuntu desktop screen? Rebooting only takes me back to the terminal command page described above. I can access root commands with sudo bash and my password, if fact all terminal commands seem to work. Is there a command I can use to go back to the regular desktop?
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Jan 11, 2011
i have just put a Geforce 7300 GT graphic card into my machine the problem is the max resolution I can get is 1024x768 at 60 hz the screen is a benq fp71g+. also the screen goes blank when i click on the display icon in system settings. i know that the screen can be run at 1280x1024 so I don?t know where the problem is.
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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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Oct 10, 2010
I am able to get fglrx driver to work with 10.10, but as soon as I change my displays settings to have my good old dual screen setup, I get a blank screen when I reboot the system.
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Nov 29, 2010
i had to reinstall suse coz i mounted my partition to /usr instead of /home. And now i installed some drivers for nvidia gt 320M and restarted the system but it goes blank after the splash screen. how do i get back to the default settings i had? i have a builtin camera in my Acer ASPIRE 4741G laptop. I installed amsn but it only shows a blank screen if i try my webcam.
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Aug 4, 2011
Just curious if there is any sort of issues with Ubuntu and JBOD assignments. I had my 2 500GB hdd's as JBOD through my mobo BIOS/RAID Config and it didn't like it. It installed just fine and showed the hard drives separately. I really didn't think anything of it so I continued on.After the install completed successfully, and I rebooted the system, it came to a blank screen with a blinking cursor and wouldn't continue on. So I tried restarting a few times, no luck. Finally I was like "okay screw this, going to install with no RAID setup or JBOD setup." (had RAID issues last night. rabble rabble) Removed RAID configurations and BAM started right up..S. Semi-new to Linux/Ubuntu. Know the basics and what not, just not some of the more advanced stuff.Edit: Okay, so I restarted my computer and removed my USB drive (which I had installed Ubuntu from) and it didn't boot. So it was NOT an issue with JBOD. Guess I'll look for a resolution for that, though.
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Mar 28, 2011
I installed CentOS 5.5 last night using the DVD ISO (from a USB drive thanks to the Universal USB Installer). I selected the Server and Virtualization packages, and finished the install all the way through. At the end, the installer asked me to remove any installation media and reboot the system. After rebooting, the system hangs on a blank screen with a blinking cursor in the top left corner that does not accept text. This is before the GRUB screen appears. For partitioning, I created a 4GB swap partition on sdb and a 16GB ext3 partition on sda, mounted at /, with the remaining free space on sdb mounted at /storage.
Does anyone know why this system is hanging before the GRUB menu?
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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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Jan 1, 2011
I've made a Live CD of version 10.04 on a machine running 10.04 (amd64). The disk boots fine on a 2nd machine but does not boot on the machine that created it. The CD/DVD is new and works for other things so I don't think it is this. The Live CD gets to the ISOLINUX screen but instead of "Loading" the screen goes blank and the system shuts down. I've tried everything I can think of (the disk works fine on another machine).
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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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Jul 17, 2010
10.04 - Installing splashy fails and consequently makes kpackagekit completely unuseable. Attempting to fix this with aptitude or 'sudo dpkg --force-overwrite --install' or 'sudo apt-get -f install' (as suggested elsewhere) brings me no joy either. Is there a fix so I can remove splashy and repair kpackagekit? How do I kill splashy so i can repair kpackagekit?
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Apr 24, 2011
I am trying to boot up my computer which has the Ubuntu 11 beta AMD 64bit, but before I can reach the login screen I get a black screen with the word "Killed" in the top left-hand corner. If I attempt the recovery boot I get different messages.
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Jun 18, 2011
I have a Dell Inspiron 700m. I've been running Ubuntu since 2008. Every time I re-install the O.S. I have to alter the video driver. When 10.04 was released it crashed the system and I couldn't figure out how to fix it so I left Karmic on and all was well. Well the DVD/CD drive never worked right under Karmic but no big deal.
Anyway, last week I attempted an upgrade. Everything went fine until upgrade finished and it was time to reboot.
Reboot hung, so I ended up killing the power and doing a cold boot.
Now when booting from the hard drive, I get a brief flash of the Ubuntu welcome screen (in the wrong resolution) and then things die. I'm left looking at a grey curser in the upper left.
Worse yet, I can't boot from a live CD or USB. Neither, Ubuntu, openSUSE or Puppy Linux will boot from CD or from USB.
I double checked my boot order in the BIOS and still nothing boots. I reset the BIOS to factory Default, still nothing boots. I disabled the hard-drive in the boot up order in the bios and still nothing boots.
I can't figure out what happened and I can't access the machine at all exepet to enter the BIOS.
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May 3, 2010
When the memory usage reaches 95% and above I noticed that the disk activity and load graphs go up and some of my applications are killed by the system. In windows, if someone define a pagefile then the OS will try to use it at the expense of very slow response. Why ubuntu does not use SWAP in such a way?
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Mar 7, 2010
Completely new to Ubuntu, basically never used anything but Windows before, hadn't even had a chance to properly test out Ubuntu before I broke it. So, sorry if this question is very easy...or if I'm posting it in the wrong place...
Anyway, I cleverly installed the most recent drivers for my graphics card, and it killed Ubuntu - it won't start now. This happens on Windows, too, but Windows will System Restore for me. How might I fix this in Ubuntu?
I can choose Ubuntu from the grub menu, but then the screen goes blank, the fan on my computer goes into overdrive, and nothing happens.
Am currently running my Karmic Koala from LiveCD...
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Mar 24, 2010
I ran update on my ASUS N51Vf laptop yesterday and among the updates there was one for udev. After installing it udev refuses to start at all saying: "iTCO_wdt: unexpected close, not stopping watchdog". Then I get to login but not for long: after several seconds either system reboots instantly or it hangs shutting down display. Is there any way to rollback udev update somehow considering I can't even login into system?
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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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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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Apr 15, 2011
like any other Linux newb, I came to Ubuntu because my Windows crashed one time too many. And I chose Ubuntu because "it just works". But these past few days that hasn't been true. I'm posting this from a netbook with Ubuntu, and am having no problems whatsoever, but normally I use an Acer Aspire 5920G laptop. I'll include the specs as written on the sticker:
* Intel Core 2 Duo processor T5250 (1.5GHz etc)
* Up to 1024 MB Nvidia Geforce 8600M GS Turbocache
* 2 GB DDR2
Let me know if you need more details, and I'll add them later. Now, what happened was I clicked "hibernate" while leaving Firefox open. (I've done this hundreds of times, no problem) And when I went to turn it back on the next day there were weird graphical glitches in the loading screen, and it booted to the "tty1" prompt screen. I did a lot of googling and found quite a few posts about it, but the solutions either didn't work, or I didn't understand them. After trying several different suggestions from this forum and others, I managed to delete the graphics drivers. That enabled me to boot in low graphics mode, and naturally, I tried a whole bunch of things to make it work properly again. That only made it worse. Now it went straight from the loading screen to just blanking out and turning the display off. So, I tried new things. Over and over. The weird thing is even when I disconnected my harddrive and ran from a Live USB, the problem persisted. Could there be an issue with the graphics card itself? Anyway, after reconnecting the harddrive I tried to boot again. And it suddenly worked. Even HDMI to my bigger screen worked.
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Dec 22, 2010
I have been running 10.04 quite successfully, when I upgraded to 10.10, I have a problem with the newer kernels. If I let it boot into the latest one 2.6.35-23, I get the Ubuntu 10.10 splash screen for a second then a blank screen, same with 2.6.35-22. I have to run with 32-25 to get it to load the gui.
I have an AMD Sempron 2800, 1.6GHz pc, but I'm not sure if it's running 64bit.
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May 4, 2011
I've been running Ubuntu 10.10 very smoothly for a while now. Decided to upgrade to 11.04 - managed to corrupt the hard disk the first time by letting the laptop hibernate part of the way through but reinstalled from a live CD of 11.04 and it's now working except for this issue.
If I shut the screen on my laptop (or press the screen off button) either the screen won't come back on or it will but frozen (I can move the mouse but not click on anything etc.) In this state music continues to play (from spotify under wine) and if I press my hibernate shortcut (power button) the computer hibernates, only to wake into the same situation. I've got a Dell Latitude D520, upgraded to a bigger hard disk and more ram - the ubuntu partition has 50gb. Windows is working fine.
Edit: I noticed a sticky thread which includes something about a blank screen but I think this is a different issue?
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Mar 4, 2011
I have a program that creates and uses a shared memory segment. I am trying to find out how to detach and delete this shared memory segment when I hit crtl-C, and I still need the process to terminate.shmdt() and shmctl() have variables that are local to the main passed to them(shared and shmid)
Code:
//Prototype
void leave(int sig);
//part of code trying to use signal handling
if(signal(SIGINT, leave))
[Code]...
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Jul 8, 2011
I have installed Ubuntu 11.04 along side windows 7 ultimate. But the problem is as soon as I switch on my computer. There is only a blank screen with my TFT screen displaying a msg "Out of Range"
Then suddenly Ubuntu loads without showing any option to load windows 7.
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Jul 17, 2010
My problem is that I can't log in to Ubuntu, as you've already seen in the title. Here's what's happening:
I turn on the computer. I see the GRUB. I press Enter. I see a blinking underscore (_) as if i was in a terminal. The underscore disappears and I can see my cursor, but nothing else. I can move the cursor, but that's all I can do.
I've seen some similar problem here on the forums, but he could log in, he just couldn't see the screen.roblem!
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May 1, 2011
OS: Ubuntu 10.04 LTS, kernel 2.6.32-31-generic. All updates are current.
Configuration -CPU: Intel Core i5-2500K, quad core 3.30GHz
Memory: 16GB RAM (10% used), 20GB swap-space (0% used)
Video: Two ASUS EAH5450 Silent cards, each with ATI Radeon HD-5450 GPU and 512 MB
Monitors: Sceptre 22", 1680x1050; both connected to one video card. The second video card has no monitors connected at this time.
ATI/AMD proprietary FGLRX driverLSPCI output -
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The PC boots up normally into Gnome desktop environment. When I hit ctl-alt-[F1-F6], -The screens blank out. One screen gets no video signal, as evidenced by a blinking power light The other screen is completely blank (not even a blinking cursor) If I hit ctl-alt-F7, I get the Gnome desktop back. I have been able to determine that even if the screen is blank, and appears completely dead, the system processes my keystrokes. For example, if I pretend that I am at the log-in screen and type <username> <enter>, then <password><enter>, then 'xinit -fg white -bg blue -- :1 vt8'<enter>, the PC switches to virtual terminal 8, and shows a shell window. From that point onwards, my keyboard entries show up in white-on-blue characters, and the behavior of this shell window is perfectly normal. I can log into another Linux box using ssh, start a Gnome / KDE / XFCE4 / LXDE session and work on the machine normally; or start another X-session and a desktop environment of my choice. My guess is, the console is invoked perfectly well; it is set to display black-on-black characters.
What I Am Looking For:Confirm if my guess about black-on-black console is valid.
Suggest how I could get a screen showing white characters on black (or indeed, any combination I could read)
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Jan 3, 2010
I've recently installed the 64bit version of WUBI on ASUS K50IJ with windows 7. Everything went smooth however when I try to boot into ubuntu, it shows that all the drivers are loading, I can even see the desktop background image for a second and then the screen goes blank. It is still ON however nothing is showing on it.
Pressing "CTRL+ALT+DEL" reboot the system.
even get access to the console for further debugging?
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