Ubuntu :: Flashing Cursor After Grub Boot Up In Maverick 10.10?
Oct 28, 2010
I installed Ubuntu a while ago, but sometimes (about half the time), when I boot my computer, go into the Grub bootloader, then whether Grub selects Ubuntu for me (not sure if this is an error as well, but I've found that if I leave it without pressing any keys, then Grub just boots into Ubuntu for me (also, it's the top option)) or I select Ubuntu, it then flashes a cursor (a '_' character) on the screen (it's also in the same font as the font used by BIOS, so I assume at this moment, it's in BIOS).
Next, one of two things happen. Either I have to wait a few seconds, then it boots into Ubuntu, OR, it just hangs like that, not booting into Ubuntu, and not responding to any key presses or anything, forcing me to power off my machine using the hardware button.My specs, generated from hardinfo, are:
Code:
-Computer-
Processor : 2x Intel(R) Core(TM)2 Duo CPU E6550 @ 2.33GHz
[code]...
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May 19, 2010
I installed Fedora 11 today, because I'm really looking to replace Windows. I've been running a Fedora 11 webserver at home for over a year, but this is Linux, which means that I spent about 8 hours on it over a year ago, and then only logged in once or twice since. :P
So after the install, I booted to a GRUB prompt and no menu. After searching around, I changed my BIOS settings to Large for the hard drive, and got the GRUB menu to load, and now I'm posting this from within Fedora 11, and after some good healthy exercises with the soundcard, xvid drivers, and a few other things, it's great.When I load XP from Grub, I just get a flashing underscore and no progress.XP is installed in the first partition, and has been there for a few months. Here's my grub.conf:
Code:
#boot=/dev/sda
default=1
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May 1, 2010
I have just updated to 10.04 on my Dell Insperon 8200 laptop, and all seems well with Linux.My problem is that although it shows in Grub Windows XP will not load. I just get a blank screen with a flashing cursor.I have tried to grub-mkconfig and grub-update, both of which reported successful results.However on reboot I still get a blank screen for windows.This was not an issue with 9.04 and 9.10.so I don't think it is the machine.
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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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Dec 13, 2010
I have had a working ubuntu 10.10 installation for about 2 months. I had it set up really nicely with my TV card and xbmc. I was really happy until I tried to boot it the other day to show a movie to the Mrs. All I seem to get is a flashing cursor after the initial grub selection. This is the same for both recovery mode and normal. I have booted it after editing the boot selection to removed the quiet splash and it seems to hang after a line that says some thing like "usb 1-4.2: new low speed USB device using ohci_hcd". The machine boots fine in to the Windose partition or in to a live CD.
I have done a bit of searching and I am struggling to find a good step by step troubleshooting guide. I dont really want to blat my setup but it would teach me a lesson about documenting things and blindly doing upgrades. I have included the results from my boot info below in case that points to anything.
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Feb 7, 2011
Running 10.04 as the only OS on a HP desktop - been running fine for months. Did an update - probably hadn't done one for a couple of months - may be a red herring. The system appeared to crash while inactive. Trying to boot - I get the Ubuntu 10.04 screen for a short while then it goes to blank screen with a flashing cursor at the top - occasionally it will give me an error that /home is not ready - skip or manual fix. I have sda1 = ext4 root
sda2 = swap
sda3 = ext4 home
sdb1 = ntfs
I removed sdb1 from fstab as initially it was complaining about this drive not being ready. The error switched to complaining about /home. I am able to mount both of those filesystems with no problem manually. I ran mke3fs on /home (I forgot the -n parameter! but no problem as I have good backups) - same error - complains about /home not being available at boot even though I can always manually mount it from live cd or manual recovery. I can rebuild this system - and I may as it was upgraded from 9.10 - I may do a fresh 10.04, but I would like to fix the boot problem in case something like this happens again when I actually care about fixing it.I recreated the grub2 configs - I don't have the command to hand, something like: sudo update-grub --root-directory=/mnt/boot/grub /dev/sda
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Jan 21, 2010
I have just wiped my whole hard drive to install a fresh copy of Ubuntu on it, and now as soon as i power it up it passes the POST screen and black screen shows up with a flashing cursor. I bliv it should say no operating system and pick the USB which has Ubuntu installation on it.I have formated the hard drive to NTFS, the system is Samsung NC10.
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Aug 23, 2010
I have an intel atom board (D410PT) and I can run livecds, liveusbs and even boot a grub4dos stick without issue, but install any 10.4 ubuntu variant and all I get is a black flashing cursor.It appears as if there is a grub2 incompatibility with this board, which is currently preventing me running a full ubuntu on it.I tried struggling on with a liveusb system with a rw partition but it's just not feasable for a home server as the lack of swap just bogs the machine down all the time.Grub-legacy no longer appears to be in the repos and neither does lilo (yeah, I really am that old-school that I could cope with lilo if necessary).What can be done about a system that doesn't like grub2? (syslinux is fine, but requires fat32, grub4dos works but doesn't like ext3/4, isolinux works but I don't want livecd, I want full install!)
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Mar 23, 2011
Today i downloaded ubuntu netbook edition from the official site to give it a go on my netbook currently runnin win 7 starter. I followed the instructions here: url download but when i reboot with the USB it gets stuck saying " SYSLINUX 4.02 2009-05-29 EBIOS Copyright (C) 1994-2010 H. Peter Anvin et al" with a flashing cursor. I have read that i should type help there but it wont let me type anything, its just stuck.
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Jul 4, 2010
When I try to start Fedora 12 all I get is a flashing cursor on thep LHS of my screen.This is new. Fedora 12 workd fine up until yesterday.treat me as a novice and if you start using technical terms I will just be lost
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Jan 26, 2011
I just got offshore and was trying to extract csv files with new software and the toughbook went crazy. When i try to boot it up it ends up with the black screen and flashing white x in the middle of the screen.Luckily the company have a back up to do the job but would like to try to resolve it on the rig rather than send it back to Germany
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May 28, 2010
I recently installed Ubuntu 10.04 on my Aspire One netbook, but everytime while booting, I am stuck at a blank screen with a blinking cursor. I've tried reinstalling but to no help. I've also tried installing 9.10, which will boot, then upgrading to 10.04 which then produces the same problem.
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Aug 7, 2010
I have a desktop with AMD Sempron 3000+, 1.2GB RAM, VIA S3G Unichrome Pro IGP, VIA SATA RAID controller based disks, PS/2 mouse and keyboard running Windows XP. Wanted to move to years ago favourite (linux based systems), I downloaded Ubuntu 10.04 for i386 and am trying to install both using CD as well as USB. After the Ubuntu start-up menu for installation, I select install Ubuntu option, turn off 'quiet' so that I can see what happens. The screen goes blank dark with a flashing cursor at the top.
In the kernel messages, the see that it has detected the processor, set the clock, assigned the PS/2 keyboard to input3 and then says:
[1.911624] isapnp: no plug and play device found
After this, the system hangs. Keyboard doesn't work.
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Jun 20, 2011
I'm using "sudo rtcwake -m disk -s 5000" or whatever the seconds is for the time I need it. It doesn't help if I use mem. Anyone know what's up or know a better program?
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Jun 5, 2011
I've tried to install Ubuntu 11.04 for the whole afternoon and I'm stuck.Reason why I use the alternate cd is that I want to use an encrypted logical volume (full system, not just home folder). I did not create the partitions myself, I simply used the installer option for "guided LVM with encryption".But now I have the problem that I finished the installation without error, but when I boot my laptop nothing happens. I do only get a blinking cursor, but no GRUB, which I installed too (because there is a nother hdd with win 7).
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Apr 23, 2010
As the topic says. I'm having problem after problem, everytime I figure out a way to take a step forward, my PC has pre-emptively taken a step back.
I'm unable to boot to X or (recovery mode).
I did try booting to a LiveUSB in order to run update-grub, but then it occured I have no idea how to do this from a LiveUSB that will affect the internal HDD installation?
So I'm currently trying to reboot from Live USB, but that just seems to have locked up the PC on the white ubuntu logo. I'm afraid to hard reset it (been doing too much of that lately). How long should a Live USB take to shutdown? (been about 10 minutes so far ). It's not a persistent LiveUSB as far as I know, and I basically just booted to the desktop and then start the reboot cycle as soon as I realised I didn't know what I wanted to do .
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Jan 29, 2011
After installing Ubuntu Server 10.04 LTS, I restarted my machine. I removed the disk, but now when it starts, it never gets to GRUB. Instead, it just takes me to a black screen with a blinking cursor. I can't type in anything and holding shift doesn't take me to GRUB.
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Oct 19, 2010
Slack 13.0 X sometimes fails to start after boot about 50% of the time. linux says "starting X11 session" then I get a blank screen with a flashing cursor and absolutely nothing else. I can <ctrl>-<alt>-<F7> and get a text prompt, log in, and startx from a command prompt. After that, I can reboot once or twice and still get a graphic login, but will soon revert to the dumped condition. I have reinstalled X and KDE twice now as well as deleting my .kde folder. This condition started when I inadvertently ran out of disk space on my /home drive. Since then I have migrated /home to a larger drive and watch it's disk space very carefully.
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Sep 27, 2010
I just installed Kubuntu 10.04 dual booted with Windows XP Home. It worked OK until I tried to reboot. Then, when the GRUB boot list came up, there was no response to the keyboard cursors or other keys, so I was unable to select any OS other than the default. Right now, I can't access Windows at all.
Any solution to this? One person suggested enabling USB in BIOS, but I found nothing relevant there. Another suggested I use a PS2 keyboard, which I did, but no change...same problem.
If I can't get a solution to that, how do I change the GRUB configuration to make Windows the default? 10.04 doesn't have the same kind of GRUB boot config file that I recall using the last time I worked with Kubuntu, way back around version 6 0r 8.
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Dec 17, 2009
I have installed F12 on the remaining space on my disk and now Windows does not boot anymore. I get to Grub and choose windows and then just get black screen with flashing cursor.
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May 6, 2010
I recently followed instructions to enable the nvidia driver. run the following commands:
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then rebooted, a tricoloured loading bar appeared and finished, then all i got was a blank screen with flashing cursor. I don't get a prompt to login and can't access my account. I am dual booting on this machine with ubuntu, is there anyway i can restore my fedora partition and enable my nvidia graphics
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Sep 17, 2010
this is a continuation of my install from : my experiences installing suse ( graphics stuff was from page 3)i have two graphics cards:ATI X700 x16 pcie card in a x1 slot (one monitor, left)NVidia GTX 7800 card in a x16 slot (two monitors, centre,right)machine boots up on the ati card, and i had configured them properly in the last topic, so now the setup looks good except for when i move the mouse cursor from the Nvidia card, left, over to the Ati card. this causes the GUI to be not responsive andthe cursor is flashing, either on neither monitor or one of the two and moving the mouse decides which (so its not a complete crash, but nothing is moving in the GUI). pressing many ys on the keyboard at once seems to stop the X and goes back to the the commandline.
the last problem i had in the last topic was that the virtual screen was not defaulting at the screen resolution i set and instead defaulted at 3840x1920 and i saw the top corner of the wallpaper. moving the mouse over to the ati card would still produce a crash with the above description.occaisionally the computer would crash with the same problem accross the nvidia monitors, however it always happens between the centre and monitors.i have installed the Nvidia drivers using a install program from the SUSe and it put the relevent packages on. Ati drivers are whatever came with 11.3 (and theseected that the card has two outputs). if its the nvidia drivers i could go back... (how?) hopefully it can use the two monitors still else its better to remove the ati screen in xorg.conf
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May 3, 2010
I dual-boot Windows 7 and Ubuntu. Sometime between 4/18 and a few days ago, something happened with Windows booting up. Ubuntu boots fine, but whenever I try to boot Windows, it just goes to a black screen with a blinking cursor (the command line kind, not a pointer). At first I thought it was Windows, but I have run the repair CD and executed chkdsk /f and chkdsk /r on all partition related to windows. No effect.
I ran a system check designed for issues with booting up, and it found no errors. I have looked at my GRUB files, and they all look fine. I am not sure if it is GRUB or Windows. I tried reinstalling the Windows boot-loader, and it had the same effect, the only difference is that it bypassed GRUB. The reason I think it may be GRUB is that the error happened around the same time as me upgrading from Karmic to the Lucid RC. I have posted this on a Windows 7 forum.
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May 5, 2010
I cannot install Ubuntu 10.04, or even boot into the live CD. I'm not an expert, but I've used Ubuntu for several years, and I'm pretty sure I'm not doing anything stupid... Here's what happens when I boot with the Ubuntu 10.04 live CD: I get a purple screen with just an accessibility(?) symbol at the bottom (this lasts 15 seconds). The screen goes black, with a flashing cursor, then changes back to purple, this time with an Ubuntu logo, with 5 dots acting as a progress indicator (this lasts about 1 minute). The screen switches to standby. The CD drive continues to make noises for another minute or so, then stops.
I physically removed my graphics card (ATI Radeon HD 5770), and plugged the monitor straight into the VGA port on the motherboard. Now the CD boots up fine. I could try installing Ubuntu at this point, while my graphics card is unplugged, and then plug my graphics card back in, and see if it starts working then.
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Mar 12, 2010
I've just installed ubuntu 9.10 from a live cd on to a 2nd HDD, with vista on the 1st. When I turn my PC on GRUB comes up and I can select ubuntu or vista, vista works but when I try to boot ubuntu the screen goes black with a small flashing underscore in the top left and then just goes completely black, nothing else happens after this. I've tried reinstalling from the live cd but when I go install nothing happens and the screen goes black again. When I was installing I changed the boot to something like scsi?
My PC's specs are:
Dell inspiron 531
HDD1: Ubuntu(300GB)
HDD2: Vista(1TB)
OS
Windows vista
Graphics card.
ATI radeon HD 4700 series
CPU
AMD Athleon 64 x2 6000+
Mainboard
Manufacturer : Dell
Model: 0RY206
BIOS: dell 1.0.13
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Jun 29, 2010
I installed Vista on my Acer 64-bit laptop first, then installed Ubuntu 9.10 in a dual-boot configuration. And when I start up my computer, Windows Vista is an option in the Grub menu. But when I use the grub loader to load Vista all I see is a black screen, with a flashing underscore character (it looks a lot like a terminal screen, waiting for input). The screen just stays like this, too - I timed it once, and 13 minutes later it was the same.
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Jun 27, 2010
I just recently installed Ubuntu 10.04. Every time I boot it up the screen flashes, like going off, then on again. It won't stop doing that. I can see the screen for 1 sec then it goes black, and keeps repeating this.
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Jul 5, 2010
I recently wiped and partitioned my hard drive on my Sony Vaio Z series laptop. I set up the NTFS partition for windows, the Ext-4 partition for Ubuntu 10.04 Netbook Remix, and a large NTFS partition for my all my media. I installed the netbook remix off of a flash drive, and I couldn't have asked for a smoother install. Everything went fine, and I proceeding to install google chrome and all the other little goodies. After that, I configured all my settings and ran the update manager to get everything just fine. After a reboot, I became frustrated and prevented maximus from running on start up because I did not want every windows I opened to be maximized. After a reboot, the screen would flash very brightly more than once per second. I could see the top bar with the processes and such as well as the correct background, but I cannot do anything because the screen will not stop flashing. I figured out I could stop it from flashing by pressing ctrl+alt+F7, but the screen just freezes where it is at and is still unusable. Desperate to start enjoying my Ubuntu Netbook Remix, I wiped the Ubuntu partition and reinstalled and did everything EXACTLY the same except instead of preventing maximus from opening, I used gconf-editor to change the setting to not maximize everything by default. Reboot, exact same problem.
I've searched everywhere for a solution, but I only find people with vague similarities or explanations. Could it possibly be a graphics problem? My laptop has 2 graphics cards in it - an Intel integrated one and an nVidia one. The nVidia one has a hardware issue so I just use the Intel one for now. It is also worth noting that I have installed Ubuntu 10.04 (desktop) on my machine before and I never had any such problem.
Also, I tried booting up in the "safe mode" equivalent, but I eventually encounter a black screen and I am forced to hold down the power button to shut it down.
(also, if it's worth anything, I know how to use windows well if there's any way I can change something in Ubuntu from my windows installation)
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Apr 3, 2011
when I install them all goes well but when I get into the GUIs I can hardly press anything - major bug with mouse and it is really annoying. Secondly there is a big gap between the GUI and my screen's edge. Hmm, I think - it must be a problem with the GPU driver and that might be the thing also messing with the mouse clicks. I download the drivers provided by the Ubuntu community - all goes well and I restart - stuck at purple screen after the "moving dots" on boot. So I reinstall the whole OS and try with the drivers provided by NVIDIA - same thing. I try the same procedure with Kubuntu and no progress.
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Oct 21, 2010
I decided to swap my media center PC over to Kubuntu after I had some issues with the Ubuntu 10.04 to 10.10 update. It has had Ubuntu on it for probably 3 years now. Most notably, the same issue is occuring now with any installer later than 9.04 which leads me to believe it is all Grub2 related.
The install runs without errors, but after booting from HD I get only a blinking insertion cursor. No Grub at all. I've held in shift, nada. I booted to Live CD and reinstalled Grub manually but still no love. It acts as though Grub simply isn't there.
I do have a second hard drive in the box that has Ubuntu 9.04 on it that I use as a backup if the OS HD gets messed up, but it is second in boot order and shouldn't be causing an issue. Besides, if that HD was booting it would be giving me legacy grub, not a blinking cursor.
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