Ubuntu :: GRUB No Longer Boots Anything?
Jul 24, 2010
I am very much new to the world of Linux, and I just wanted to try out the popular Ubuntu flavor alongside my existing Windows 7 installation. Things worked well at first and I seemed to have the dual boot setup working, until I was notified that there were updates available and advised to install them. I did so, but somewhere along the way something went terribly wrong. When it asked me to restart, and I did, nothing happened. I was not offered the choice of OS, and the screen simply sat there, blank.
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Mar 2, 2010
The left hinge on my Dell Inspiron 1521 cracked and broke. Last night, I removed the hinge since it had frozen in an "up" position. I had to remove the hinge plate to do so. Since then, I am unable to boot my computer. Whenever I boot up, I see the Dell Boot Screen (like normal) and then the screen goes blank except for a the words GRUB at the top of the screen. I've tried using the Live Disk to recover, but I don't have a "Recover" option on the set up menu and prior to installing, the set up client advises that there is no operating system installed and that I have only one partition.
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Jan 6, 2010
I am guising at this point? It took for ever to boot up in 904 Jaunty. All though I never tried the above then and meant to. Thought the upgrade might get it . Now in Karmic Koala. I can get to the grub. Yet any fooling around here it always says unrecognized command. Well really I don't know what I am doing.I have a Intel graphic processor in this lap top I am sure. When it did boot up in 904 the display would mess up. I had upgraded all the way from 804 because I could never get my Alfa usb wifi to work. As for now it will not boot up? Is there any links on the subject? Not sure why this in red it was not on purpose
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May 23, 2010
I installed Ubuntu 10.04 on a USB hard drive after booting the desktop installer ISO on a USB flash stick. My laptop already had Windows XP installed on the internal hard drive and i did not load Ubuntu onto that disk. I can no longer boot the Windows OS. My laptop shows a grub rescue prompt with "no such device" error. I can mount the internal hard disk ("system drive") and see all the Windows files from within the Ubuntu desktop installer. Is there a way to restore my Windows system drive to boot or do I need to reinstall?
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Jan 25, 2011
Before we begin just some general information, I'm running on a 64-bit HP Pavilion dv6; This laptop is something you would buy off of best buy's show floor. I installed Ubuntu through wubi in windows 7. I have a 500 GB Hard Drive. As of right now I can explore the windows 7 part of the hard drive.Now the problem began on Friday January 21st after I shrunk my Windows parition by 100GBS leaving around 370 GBS left in windows. Then I went into Ubuntu to try and format the 100GBS to create a space so I can share media in between windows and Ubuntu. ( At the time I didn't realise I could already go into the Windows Partition).
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Sep 1, 2011
Ubuntu no longer boots up on my Archos 10 netbook, it's been working fine for the whole month I've had it but now it simply sticks to the Ubuntu loading screen and doesn't progress further. Windows still boots fine so my guess is it's not a hard drive failure that's causing it.
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Feb 10, 2010
After upgrading from 9.10 to 10.04 my System no longer boots. I had a Dual-Boot System. On Boot I get - "error : the symbol 'grub_puts_' not found grub rescue> (prompt):
If I run 'insmode /boot/grub/normal.mod' (I get the same error)
If I run 'insmode /boot/grub/ext2.mod' (I get 'The symbol 'grub_xasprinf' not found)
If I run ls /boot (The Kernel File Names look Ok)
If I run in Rescue Mode it Reports (The installer could not find any partitions, so you will not be able to mount a root file system. This may be caused by the Kernel failing to detect your hard disk drive or failing to read the partition table, or the disk may be unpartitioned. If you wish, you may investigate this from a shell in the installer environment.) I ran the recommended reporting script and got the following output:-
Code:
= Boot Info Summary: =
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in partition #4 for /boot/grub.
=> Windows is installed in the MBR of /dev/sdb
=> Syslinux is installed in the MBR of /dev/sdd <<< This is my USB Flashdrive .....
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Aug 6, 2010
I'm having an issue getting a triple-boot machine to work. I'm trying to triple-boot Mac OS X Snow Leopard (iAtkos S3) 32-bit, Ubuntu 10.04 64-bit, and Windows 7 Ultimate 64-bit. I install Mac with no issues it boots up and works. In Mac setup I make 4 partitions: Mac, Linux, Linux Swap, and Windows. After Mac is installed, I install Windows. Then Ubuntu. I select to have GRUB installed on the Linux partition. Now when I boot the PC I get a choice of Ubuntu, Windows, memtest, and Mac. Both Ubuntu and Mac work, but when I select Windows, I just get a black screen with a flashing cursor. Files are still intact and nothing has been deleted. I tried booting from the Windows CD, and running bootrec.exe /fixmbr, but all that gives me is no boot device available. I've tried every combination of installing and configuring but can't seem to get it to work. Everything is backed up so I don't mind reformatting and starting fresh if I need to. Also the Windows disk does see Windows 7 when I run scanOS. I can't use the repair option on the Windows disk as it gives me an error saying the CD is not compatible.
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Dec 14, 2010
I have tried to keep away from posting this seeing how many have had the same problem but this is getting to the point of me just selling my computer out of shear frustration. Ive got Windows XP and Ubuntu 10.04lts. For a while they all ran fine together till my Windows drive gave out and ever since I tried to remove the drive GRUB recovery has been popping up. I even tried to put the drive back in and the computer still wont boot anything. Ive got 4 different live boots and neither one works, Ive tried to boot with my internal dvd drive and a usb one, there is always a Grub error. When I put in the ls command and find my only non"unknown filesystem" it still says "bad filename". I guess where im getting at is grub wont even let me reformat my computer or boot from anything without saying "no such device: 32d98-e0b3-451b-809b-ae6562ccb701"
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Jan 22, 2009
In completely new to Fedora. After a clean install, I went through, configured yum, did all yum updates and rebooted. I then installed the graphics card (m9500 gs) using RPMfusion and restarted again. After doing so, the comp shows the fedora loading bar but once it finishes, it hangs there and you see a small flashing box. I have no idea how to uninstall that nvidia driver.
to my xorg.conf. Still same issue. Finally I went through and added the "notap" to the grub.conf. I am at a complete loss here. When I try and manually load the driver, the Nvidia installer gives and error about not finding any preconfigured kernels for the package. Then It try's to build its own kernel but says its missing the "cc" in the "gcc" package. Any ideas? If you want to know exactly what I've done so far, I pretty much only followed the guide at my-guides.net. As you might be able to tell, I am very NOOB.
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Feb 4, 2010
I had, with much delight, accomplished a dual boot install of Ubuntu 9.1.0 and Windows 7 the other day and everything was working perfectly fine. However, I decided to activate the proprietary Nvidia drivers that were available in the drivers menu and my system subsequently no longer operates. After installing and rebooting Ubuntu will no longer work and becomes stuck on a black screen with two white dashes in the top right had of the screen.
This hang up occurs directly after the first white Ubuntu logo appears during the startup and the only key that will work during this screen are Crtl + Alt + F1, which only bring up a second black screen except with a solid white dash in the top right screen. At that point no key will work. I have tried to fix things in recovery mode and used envyng to remove the nvidia drivers as well as other operations, however the same result still appears when I try and run Ubuntu. I own a Sony Vaio Z690C if it makes any difference.
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May 11, 2010
I just upgraded from Karmic to Lucid and my system will no longer boot. The upgrade completed without any error messages, but upon reboot, it hangs at the loading screen. I cannot start the system in recovery mode either. Same issue happens. To get to the command line, I've appended:
init=/bin/bash
to the kernel line in grub. I then remount so I have r/w access.
It appears to be an issue with udev. While the loading screen is "loading," udevd_work scrolls a bunch of stuff that's too fast for me to read (nor can I copy and paste it).
/var/log/udev isn't showing any recent errors, only messages from before the upgrade.
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Jul 22, 2010
Summary: After intermediate upgrade, Ubuntu Lucid LTS 10.04 64bit Desktop Edition will "NOW" not run in any Graphics mode on my machine.
General; Ubuntu has been my favorite OS to live on, play and relax. I have to use other OS'es, but I choose Ubuntu as "mine". I can go around it safely and tweak it to my own likings and needs. It has also been a great tool to exchange things between other OS'es.
History: I started with Ubuntu Karmic Koala 9.04 64bit Desktop Edition. Last March, I upgraded to Ubuntu Lucid LTS 10.04beta 64bit Desktop via the Update Manager, using Ubuntu's instructions... as a Beta Tester. I kept up with Updates and everything had been fine.All went well, albiet minor adventures that gave me oportunities for enriched challenges and training. Overall, since the early days of that, my system has been very stable and reliable- Until last Saturday through Yesterday...
Problems: First thing I noticed is that there were some security updates Friday. Saturday when I came up into Ubuntu, it came up in error saying it had to come up in a low graphics mode. I shut down the system and restarted. It came up fine and I thought nothing more of it at the time...
Second, I tried to install Ubuntu Lucid LTS 10.04 64bit Server Edition on another drive. My other drives were isolated. Although the install said it was successful, on reboot, it would not boot the system. It would get a purple splash on my screen, then either lockup or go to a text based screen dump. Server Platforms said this was a text based OS and couldn't explain the purple flash or the error... I shelved this project until later and thought nothing more of it.I checked for updates through the weekend (even though there usually isn't any on weekends), and as usual it said everything was up-to-date.
Third, Monday the "Update Manager" said there was too many updates to do at once, that it needed to do a partial update. I selected, but it couldn't complete, because it said that there was conflict on a KDE package that it said it needed to remove, but couldn't because it was in a blacklist. It further said that this could have resulted from a DEV vervion of Ubuntu.
Fourth, I upgraded some packages through the Synaptic Package Manager, to try to reduce the number of packages that the Update Manager was trying to update. All those packages said they updated fine. I then went back to the Update Manager and it still said it needed to do a partial update... but it completed and said it was successful. I noticed that the top of the dialog box was tiltled "Distrubution Upgrade." I noticed that some of the files seemed to be an xorg upgrade... After the update, I had to do other things, so I shut down my system.
That was the last time this machine has been able to start Ubuntu. When Ubuntu tried to startup, it said it had to boot in a low graphics mode, but could not- it blasted the monitor with vertical purple and red lines.I had a copy of the Ubuntu Lucid LTS 10.05 64bit Desktop Edition LiveCD on my other machine. I burned a CD and tried. The only mode I can get to boot from the CD (on my machine) is in a text console- no xwindows system. On starting up an xwindows system will blast the grahics of the monitor, then (sometimes) continue to a monitor test-based screen dump that flashes by until the system locksup.
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Aug 7, 2011
I installed lucid lynx over a year ago on a IBM A20m laptop. I've been happily using ubuntu up to now until yesterday when I installed Tor and Torbutton. When I rebooted, I got a blank screen after the IBM startup routine. Thinking that somehow the system got corrupted by my Tor installation, I decided to reinstall lucid lynx from the CD. Surprise! The install CD also gives a blank screen!
I hit a key to get the menu and and the three first three choices all result in the same blank screen:
* Try Ubuntu without installing
* Install Ubuntu
* Check disk for defects
To help debug this, I tried setting the F6 option nomodeset and I removed "quiet splash" from the boot options.
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Oct 9, 2010
i have just installed fedora over a existing copy of ubuntu. The problem is i cant boot in to vista any more. i have looked over many forums trying to fix it but still wont work.the attachments are of screen shots i have with the details of the hard drive partitions.i am able to mount the hard drives and have all the data still and still have the boot folder for vista but just cant figure out how to boot in to vista.i also get the error " error 1: filename must be an absolute pathname press any key to continue" i get this error when i try to change the boot partitons
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Sep 2, 2009
A failed upgrade, from disk images, of Fedora 10 to 11 resulted in no GRUB bootloader main menu appearing on bootup (no WIN, no LINUX choices from which to boot). I am booted directly into the GRUB command shell...so, no WIN, no LINUX, nothing. And my understanding of GRUB shell commands is very low.I have 2 hard disks, WIN on the first, LINUX on the second. I believe GRUB Bootloader is on the first disk.Sadly, I have no external install media.An old grub.conf hardcopy indicates that root =/dev/sdb2, root (hd1,0), kernel /vmlinuz....olderversion...(relative to /boot),initrd /initrd...olderversion... (relative to boot). and WINDOWS on (hd0,1), with chainloader +1
I need to somehow get past this grub shell, and re-install/re-instate the grub bootloader, so it can boot normally.What grub command(s) must I use? I've played around with the commands, but with no success.I worry that if I can't resolve this, the whole machine may be useless.
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Jul 5, 2011
I have a Toshiba Satellite Pro L510 with Windows 7, Ubuntu 10.10 and a 10.04 LTS minimal install. All booting fine with 10.10 grub at boot. I installed Xubuntu 11.04 on another partition, all went great BUT ... I was in a bit of a rush and when I got back to the machine and rebooted for the first time, 11.04 had installed a grub and taken control of boot. That is fine, everything boots okay, but I really didn't want this.
10.10 is my production install (10.04 just never played nice with this machine or I'd be using that, naturally) and is stable, tweaked to perfection, and staying where it is; 10.04 and 11.04 are 'experimental' for me and likely to be replaced or tweaked into oblivion anytime. Therefore, I want 10.10 to control grub, as it was doing before, which gives me the freedom to explore the other two installs without fear of bricking the machine.
How can I now take control away from the 11.04 grub and give it back to the 10.10 install at boot?
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Jan 20, 2010
I used the Wubi installer to install the latest version (available from the website) on my second physical HDD. I rebooted my machine and used the Windows 7 bootloader to launch Ubuntu and it launched a GUI install. I wasn't sure how long it was going to take, so I left for about a half hour and when I returned I was back to my Windows 7 logon screen. Naturally, I assumed the install was a success and I rebooted my machine. When I boot again I get the Windows bootloader and I see my options for Windows 7 (which works properly) or Ubuntu. However, if I select Ubuntu I am brought to a command-line and there is an output at the top of the screen stating "Grub bootloader." At this point do I need to type anything to launch the GUI (I'm assuming Gnome) from this? How should I proceed from this point, reinstall?
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Apr 28, 2011
My soundcard seems to have problems working with a certain game in windows xp so I decided to create a different installation of windows xp to use with onboard sound drivers instead. I had a backup of my clean current install on a dvd, so thought I would use this to speed up the procedure. I have two hard drives - the sata has my normal windows boot on and my ext4 ubuntu installation. The id drive has only files on. So I decided to shrink the partion on the ide drive using gparted and then create a new primary partition. I then installed my backup to this newly created partition.
At first it did not appear in the boot manager. Then I did a sudo update-grub and it now does, however whichever windows installation I now select from the grub, it always seems to boot into the same (old) installation, rather than the new one I installed from a backup. How I can actually get it to boot into this new installation? It might be due to windows boot ini settings or disc / partition flags or whatever, as I tried fiddling with those.
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Feb 13, 2016
in order to get Debian to boot I have to type this into Grub2:
set prefix=(hd0,gpt2)/grub
set roof=(ht0,gtp2)
insmod normal
normal
output of fdisk, lvdisplay, and pvdisplay are here: [URL] .....
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Feb 3, 2010
I installed 9.10 with wubi and lately I had a boot problem with the result is that it boots to a grub prompt. I tried several commands, but no success. I thought I hosed the system. [URL]. Once I copied the new wublidr file over, that did it! Give it a shot, as it works.
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Mar 4, 2011
After installing the 10.10 Maverick Meerkat, I decided to have a new partition and install Windows 7 on it for development purposes. So this is the method I worked with:
Partitioned the hard disk with gparted
Formatted the drive in NTFS
Installed Windows
Booted into Ubuntu 10.10 Live CD and re-installed grub on the MBR Now after restarting the system a grub command line boots up. I was able to boot into ubuntu with the following commands:
Code:
find /vmlinuz
kernel /vmlinuz root=/dev/hda1 (or its equivalent)
initrd /initrd
boot
Is there any way how to load up the grub GUI with the options to boot up Ubuntu or Windows 7 respectively?
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May 5, 2011
i installed ubuntu 10.10 to my external HDD and it works. Recently, i reinstalled windows therefore, there is no more grub menu when my computer boots. I tried to reinstall grub to my external HDD but it doesn't work.
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Jul 11, 2011
I've just successfully installed Ubuntu 11.04 on my macbook pro, but when I boot, I just get a blinking cursor. I've tried the following to try to fix it, with nothing working:Press "Shift" to boot into GRUB (result: doesn't respond)Using liveCD, edit grub settings to allow for this (result: same as before).Chroot using liveCD to install required video packages (result: updates work, but installing new or upgradingexisting packages fails because it can't properly start jobs. I assume this is because it wants to use resources that would exist if the system were truly booted from the HD but the resources don't exist in the LiveCD environment)Chroot using LiveCD and try using jockey-text to install NVidia drivers as suggested on https://help.ubuntu.com/community/MacBookPro5-3/Lucid by command line instead of by GUI.Can't connect to certain sockets (the device files don't respond because they're not in the active system, I guess).
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Mar 5, 2009
after update my CentOS 5.2 geting follow problem:
my System stop by Grub,
i can start my System manually by typing instructs from menu.lst.
menu.lst
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
[Code]....
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May 16, 2010
I just installed Windows 7 and it erased my Grub bootloader. I followed this tutorial: URL...And now when my computer starts up it goes to the Grub prompt: Code: grub>I guess I did not do the right partition but I'm having a lot of trouble getting it back to how it was where my computer at least loaded the Windows 7 loader.
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Apr 10, 2011
got myself a new pc, windows 7 installed.. i just got done installing ubuntu10.10. it said to finnish, i had to reboot.. ok, no problem.. i reboot, loading says uuid is not valid.. but, it loads 7 fine.. they are on the same drive, but different partitions. i only got a wireless usb keyboard and when it goes to the shell, it doesnt seen to recognize it.
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Apr 29, 2011
The upgrade finished, did a y to reboot and it boots to memtest, no sign of the grub screen at all.
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May 18, 2011
The ability to manually boot using the Grub command-line constitutes a big security risk in Linux, IMO.Any OS can be booted in this manner from a PXE-LAN, USB, or CD/DVD drive, circumventing BIOS-imposed boot restrictions. (Once a foreign OS is booted, of course, it can be used to access any part of an unencrypted hard drive.) Placing passwords or locking menu items (in the Grub configuration files) does not prevent a user from booting manually using commands entered at the grub command-line.
As it stands now, when presented with the Grub menu (or after bringing up a hidden Grub menu with the "ESC" key), a user only needs to hit "c" to enter the Grub command-line mode to facilitate any type of bootup whatsoever. (They can then enter manually the Grub commands to boot an OS on any device.) This is extremely insecure and allows any passerby to boot the computer with a few keystrokes and a bootable USB drive. How do I configure Grub so that it will require a password in order to enter the command-line mode (and thereby restrict boot options to the menu, which can then be password protected/locked) ?
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May 22, 2011
My setup: a work laptop that has a corporate Win7 image, and to which I have added a few partitions to try various linux distributions. The MBR is governed by Lilo from the Slackware 13.37 installation in /dev/sda5. The MBR boots no kernel image directly, it only chainloads the boot sectors of partitions /dev/sda1, /dev/sda5, /dev/sda6 and /dev/sda7. The latter three are formatted ext4.The Win7 boot mechanism traditionally resides in /dev/sda1, and the linux distros are required to install their boot machines into their respective partitions.
What I am trying to say is, I installed Ubuntu 11.04 into /dev/sda7, and told the grub installer the same thing: install yourself into the boot sector of /dev/sda7. Kudos btw for the Ubuntu installer, it comes across as a very professional piece of software.
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