Ubuntu :: Grub Not Loading Under Dual Boot?
Jun 23, 2010
I have Windows xp and Ubuntu 10.04 in my system and last fine morning I was working in windows and when I restarts the system as there were some problem in the audio I found that the grub is not loading. Computer boots directly in the windows xp mode and not giving the possibility to boot in the ubuntu OS. Also, the windows xp restarts continuously with a blue screen for just a second.
This happened out-of-the blue. What might be the possible reason for this and how to get rid of this problem..
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Aug 1, 2011
I have been using Ubuntu for a while now on a netbook and even installed it on another pc, but I never tried dual-booting before... I just recently built a pc (my first custom build), and I'm having major difficulties getting a dual-boot running with Win 7 and Ubuntu 11.04. I'm trying to install these on one hdd. I don't know if it's a hardware issue or not, but the bios doesn't seem to like grub... I installed Win 7 first, and before installing Ubuntu on a separate partition, Win 7 would boot up fine. (Although, sometimes the bios would ignore my key presses for entering the bios menu or the boot-menu... When I only had Windows installed.)
When I turn on the pc, I mostly get a blinking cursor, with no messages at all. Nothing would boot at all, grub doesn't seem to load, and no OS would load by default. This would even happen sometimes after I set CD-ROM as the first item on the boot order list, trying to boot from the Ubuntu liveCD since there was no way for me to reach either of my installs on my HDD. I tried several suggestions I found online, and nothing seems to help. I even tried both grub 1.99 and grub 0.97, but still not much luck, (Although, grub legacy seems to load slightly more often...) I don't really want to have to resort to using Ubuntu through a VM, but it looks like this is the only option left... Is there some way I can dual boot with something other than grub?
Here's something I noticed after trying Ubuntu a few times. I'm not sure how relevant this is to my issue but, at times, on booting from a liveCD, I see several lines appearing that say something like "over-current change on port 2" should I be worried about this? Is something wrong with my mobo or psu? Another thing and this was before installing Ubuntu, when I boot up the pc, my keyboard is sometimes disabled until it's re-plugged in to a usb port. Maybe this has something to do with over-current charge? I'm just trying to figure out if anything needs to be replaced... I got sick of having to replugin the keyboard since I was constantly restarting the pc, so I started using a less fancy keyboard and it seems to be recognized most of the time (sometimes the bios would still ignore my boot-menu key press attempts).
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Oct 17, 2009
I installed Fed 11 after Win 7 was already installed---on my Lenovo T-60 laptop. So I rebooted after a couple of software updates with no option to boot to Win 7. my laptop boots straight to Fed 11. So I was checking grub.conf and it is "x'ed" out. so is menu.lst. I click on them and the message says "grub.conf" is not available. Whats up with that? or is there another place to get to the MBR to give me an option between the 2?
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Jan 2, 2011
I have a windows 7 machine and installed ubuntu 10.4 32 bit in its own partition. I want to replace the 32 bit ubuntu installation with a 64 bit installation. I downloaded the 64 bit version, booted up on the install cd, and started the install. I got as far as the partition set up before chickening out. I was going to use the manual partition option, select the existing ubuntu partition, reformat, and install. I chickened out because i was afraid that this would also reinstall the grub boot loader without the dual boot option disabling my ability to get into win 7. How should i proceed so that i can replace the existing 32 bit ubuntu with a fresh 64 bit install and still be able to boot into win 7?
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Jan 12, 2010
I have encountered a problem when installing fedora 12.
1- It told me that there is no sufficient RAM so it logged in text mode. But I have 256 mb RAM and the lowest is 192mb for the graphical mode.
2- The RAM specified in the manual of fedora the DDR or the VGA.
3- After the installation it ask me to log in as shown localhost login:
What should I type in this? Whatever I wrote it ask me to write password. But if I try to write any thing in it, it didn't respond or write any thing.
4- How could I login the graphical mode after installation in text mode.
5- I have encountered another problem when boot the set it load fedora by default and didn't ask me to choose between fedora and previously installed windows xp.
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Mar 26, 2010
So my computer has ubuntu 9.10 installed 1st and I want to install win 7 in a separate partition. Basically, ubuntu 1st, win 7 later so far from what I learned from search results, grub 2 have problem with win 7 installed later and what was recommended was install win 7 before ubuntu. how ever I do not have the time to start over again because there are too many things to back up or install again. can I simply revert grub 2 to grub 1 again and resolve the problem?
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Feb 22, 2010
WinXP Partition loading as a read only and can't fix it with PYSDM (storage device manager) Let me provide some history as to how everything was installed: From my old WIN XP hard drive I used clonezilla to clone the drive to a partition on my new hard drive for Linux. Windows is on SDA4 which is the last partition of the drive, it is mounted at sda4/windows using ntfs. I then loaded Mint 8 gnome on the 2nd partition sda2 using ext3 mounted at /, sda1 is my Linux swap, and sda3 is mounted at /home using ext3. While installing I selected to mount Linux ext3 at /
When I choose to load winXP from the grub boot loader I get dev/sda4 no such device 10CDR36778638F73. Also when I try to unmount from disk utility I get the following error: Error unmounting: umount exited with exit code 1: helper failed with: umount: only root can unmount UUID=10CDF36778638F73 from /windows Seemslike I need to rename the drive but it won't let me in disk utility.
My Problem is that within PYSDM (storage device manager) I uncheck Mount file system (sda4/windows) as a read only but it will not stay unchecked. I have unchecked it hit unmount and mount and it still is checked to mount as a read only. This is the code in options for sda4 in PYSDM (storage device manager) nls=utf8,umask=007,gid=46
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May 30, 2010
I am brand new to Ubuntu and I am trying to find out if its possible. When the laptop starts it gives me 30secs to choose windows or ubuntu? Is there anyway to change the order or the timer?
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Jul 8, 2011
I am new to Linux. I have installed RHEL 5.4 on my PC with preloaded Windows XP.
Windows was set as the first boot kernel. So if i do not choose which OS to be loaded it will load Windows by Default.
Today I got an error saying GRub Loading Stage2 read error.
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Jan 30, 2010
I've just bought a new laptop (with no installed OS) and have (excitedly) burned a live cd for Karmic Koala 64bit: several people on the laptop manufacturer forums have got working with this particular laptop.
The live session works fine but when I install and then reboot I get 'GRUB Loading' with a flashing underscore and nothing else happens. I've found this thread and this bug report and have tried reinstalling GRUB to no avail.
I also have a live cd for 9.04 which I've tried to install and get a the same problem only now the message is 'GRUB Loading stage1.5' So I don't think it's a problem with the version of GRUB as described in the bug report thread.
I read something else that said it could be a problem with the mbr being in some way geared towards Windows but I'm not sure. I tried following those instructions but nothing happened and then I just got the same error again.
Any help would be greatly received since obviously I'm pretty desperate to get my spangly (and expensive) new machine to work. Edit: I also have a thread at the manufacturers' forums. But we're at a loss there too.
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Jan 3, 2010
I have installed Debian on my intel iMac, I installed grub first in my root partition and then in the Debian partition. When I boot my Mac, rEFIt brings me to the boot page and shows the Linux drive, but when I choose it, it tries to start up and then gives me the line "Not a bootable drive" and just hangs. How to get this to boot?
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May 21, 2010
I have just installed Lucid Lynx as after a live run of it I thought it was about time to upgrade. Everything ran smoothly in the live version so I backed up my files and installed it. When I went to boot I get this -
Grub loading, please wait ...
Error 2
The strange thing is it seems to be specific to the computer. I have an older, lower spaced desktop, computer that I tried the hard drive in and it worked fine. Problem is its too low spaced for what I want so it seems the install went ok but its something with the computer? How I would be able to boot into the install?
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Dec 4, 2009
I have openSUSE 11.2 and boot using GRUB. I was looking on start-up options for 11.2 and saw where it said
splash=silent
and
quiet showopts
I was wondering what they meant?
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Nov 8, 2010
I'm trying to dual boot Win7 and Ubuntu WITHOUT using Grub. This is to support Bitlocker encryption.
I followed this guide, and now when I select Ubuntu I get a Grub> prompt and no ubuntu.
I feel like I'm halfway there, I just need to get Grub to load correctly or something.
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Jan 28, 2011
I've installed Ubuntu on my new desktop alongside Windows 7 (each OS is on a separate drive), I seem to have run into a small problem. Let me start with what I did:
- Unplugged 1TB drive from the PSU, BIOS was not seeing my formatted (and thus empty) 500GB drive and I couldn't put it into the boot order at all with the 1TB turned on.
- Loaded up the boot CD and was able to install Ubuntu 10.1 on my 500GB drive.
- Did a bit of configuring, shut my PC off and plugged my 1TB (with Windows 7) drive back in. I tried to see if I could now see my Ubuntu drive in BIOS but nothing is there - just the Windows drive is in the list of available drives to boot from (along with DVD-ROM and USB).
This is where I've run into my problem. What I want is to have a nice GRUB boot menu at the start like any other dual-boot system but just have the two operating systems on separate drives altogether.I did it this way because I was having issues with the advanced partition menu on the boot CD so just went ahead and followed the KISS method by unplugging the Windows drive.
I was told by a friend that if I put my Ubuntu drive into the first position in my boot order and the Windows drive in the second, then I could boot into Ubuntu and run a GRUB update command (he told me to google it) and that would create the necessary GRUB that had the entries for Windows 7 and Ubuntu.Both operating systems are 64-bit, I imagine that might make a difference in whatever help you guys can offer me. I love the hell out of both OS's and want to be able to use them interchangeably.
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Jul 3, 2011
i am having a problem with my dual boot setup. I originally installed windows XP on a 100gb hard drive, from there i downloaded and burnt ubuntu off so i could install it on my 200gb hard drive. For a little bit i struggled to even get it to install because it wouldn't recognize my onboard nvidia graphics, i ended up having to get an alt boot disk and fix it with technique in this link:
[URL]
Now after the bios boot, my screen shuts off for awhile and takes me directly to the login screen for ubuntu. No Grub, no windows boot options, nothing. I tried booting windows by choosing it from the bios boot menu but all it does is hang at prompt and doesn't boot at all. I tried the live cd fix and reinstalled grub but nothing changed. What i think is happening is that it boots the Grub menu but it doesn't display it because of graphical confrontations. It hangs for about 10 seconds, the grub default time, and then turns my monitor back on to display the Ubuntu login screen.
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Dec 16, 2010
I followed a tutorial to install XP across my entire HDD. I installed Ubuntu 10.10 "Alongside another OS". Ubuntu loads fine, but when trying to load XP, the boot screen shows up, but then the computer restarts and returns to the GRUB menu.
I saw some threads on this site and tried to type: sudo gedit /boot/grub/menu.lst
In the terminal. It returned a blank text document so I'm not sure if that information was outdated. I then typed: sudo fdisk -l
And got this:
Not sure what any of this means, but I sure hope someone else does. I would say forget XP, but it's hard to let go of some of the games and software I use. I appreciate any responses, thank you.
I tried to format the table as it appeared, but the forum corrected the extra spaces.
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Mar 23, 2011
I had a dual boot system with 3 partitions, Windows 7 on one partition, and Windows XP on another partition and a Data partition. I decided to load Ubuntu 10.10 on the Windows XP partition.During installation I selection manual partition, and deleted Windows XP.after successful completion of Ubuntu installation "Grub" directly boots into Ubuntu, it doesn't show me the OS selection screen. After following some forum posts I did an update grub
Code:
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-2.6.35-22-generic
Found initrd image: /boot/initrd.img-2.6.35-22-generic
[code]....
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May 23, 2010
When I try and boot my Debian computer I get the messages: Grub Loading stage1.5. Grub loading, please wait... Error 15 Is there any way of recovering from this - or is it simply a fresh install? I was attempting an upgrade from Lenny to Squeeze and despite a few hurdles it looked like it was all happening. Got the new kernel loading, and the new grub. It looked as though grub2 was working so I ran the grub-remove-legacy-support command (something like that) and now my computer won't boot grub or Linux.
I'm assuming the MBR on my harddrive is lost, however I don't know what state the partition is in. I'm guessing that maybe this has been lost as well. I tried a few tools from the Ultimate Boot CD but nothing here was able to re-install my grub or boot from any partition or even mount my file-system. I'm fearing the worst but would like it confirmed before I blow it all away with a new install.
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May 3, 2010
I updated from Ubuntu 9.10 to 10.04 via Ubuntu updater. Worked nicely. Until I had to use Win 7 for a moment, so I went to the Grub boot menu and picked Win 7. Nothing is happening. Just a black screen with blinking underscore to the top left corner. I never had this problem with 9.10, so I am confused. I tried looking around and nothing helped. Be noted that I am an amateur with Ubuntu coding and installing. I did hear that this is already a common issue now.
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Apr 20, 2010
HW config is: AMD Athlon 64 X2 5000+ Black Edition, MSI 785GTM-E45, 2X 1Gb Kingston HyperX PC2-8500. I have set up GRUB to dualboot openSUSE 11.2 and WindowsXP. Initially i had set up system with defaults: CPU@2600MHz (200X13) and therefore RAM@800MHz. Both openSUSE 11.2 and WindowsXP worked just fine. Memtest86 found no problems.
But after a while i decided to change this setup to: CPU@2500MHz (250X10) and therefore RAM@1000MHz, as it promised better overall performance. And now Windows still boots and works better then before. Memtest86 still can't find any problem. But openSUSE 11.2 hangs at boot. I've suspected cpufreq governor, but changing from Ondemand to Conservative in /sys/devices/system/cpu/cpu0/cpufreq doesn't help.
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Dec 16, 2010
This is the third time I try unsuccessfully to install Debian as a second OS on a hard drive. When it gets to the end of the installation process the installer asks whether I want to go ahead with the Grub Boot Loader, I choose yes. The end result is however that I can't boot that partition within the hard drive -- i.e., Debian. Can someone tell me what is going on? Should I not use the Grub Boot Loader when I have more than one operating system on a machine? Should I not install Grub on the Master Boot Record (MBR)?
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Jan 10, 2010
I just set up a dual boot on a system with fedora 12 and XP. XP in on one hard drive (sda) and Fedora on a second hard drive (sdb).
I installed grub on the Fedora disk so as to not touch the windows disk at all.
Prior to installation, in the bios, I set the Fedora disk (sdb) first in the boot sequence, and then XP (sda) so that the grub loader would boot up by default. (If I set the windows drive first then the system bypasses grub and loads straight into windows.)
My system can now boot up into Fedora fine, but if I select windows from the grub loader menu I just get a blinking cursor - windows will not boot.What do I have to do so that grub can boot into XP?
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Oct 27, 2010
Ubuntu 10.04 not loading. Sticks at GRUB Loading message.
Read the other threads re OS not loading and GRUB. The talk about code goes over my head.
Local techie says the hardware is good. Tried reloading Ubuntu from CD. Tried loading the unmentionable OS.
Tried using Spotmau Powersuite.
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Mar 22, 2010
I've recently installed Vmware on Vista and I am using that to run Linux. I prefer this method over duel booting as I can quickly switch between the two OSes. So here is what I would like to do.
1) Remove swap partition (not needed).
2) Remove Linux and format partition to NTFS for windows use.
3) Remove Grub.
What I don't want to do.
1) Reinstall Windows Vista (Lots of programs installed).
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May 15, 2010
I have a system dual booting Ubuntu with XP.Up to upgrade to Lucid, grub worked fine, but now any attempt to use the grub menu to move to XP gives only another grub menu.I need to use XP once in a while. How do I resolve this
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Aug 7, 2010
I am running a dual-boot of Ubuntu 10.04 and Windows 7. My current setup uses EasyBCD to pick between Ubuntu and windows. If I pick Ubuntu, it then fires up GRUB, which then goes to Ubuntu. My question is: Can I skip GRUB altogether in the boot process? I rather suspect that it's slowing things down a lot. I've set the GRUB default OS timeout to 0, but it still boots slowly, which annoys me. way to skip GRUB entirely and use only EasyBCD for both OSes?
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Feb 10, 2011
On reboot the GRUB2 installer shows me the options for OS - I select Windows XP and then I get a blank screen with a flashing cursor - and nothing.. I CTRL ALT DEL and it reboots back to GRUB2 and I select UBUNTU and I log in. This is the first time I have tried to reboot Windows XP after fresh install of UBUNTU
[Code]....
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Feb 3, 2010
On my hard disk I have ubuntu 9.10 (/dev/sda6) and Slackware 13 (/dev/hda1). Since Ubunutu was installed second, it replaced Slackware's lilo with grub. Anyway I modified grub and got Slackware 13 booting also, I has been this way for a couple of months. Tonight slackware would not boot, it kernel panic'ed.Complained about no device /dev/sda1 and listed possible devices, /dev/hda1 (What it is supposed to be) being one of them. What the heck, what changed???
A quick check of /boot/grub.cfg first showed that the las cahnged date was 2010-1-30. What? I have not touched grub.cfg since the Ubuntu 9.10 install. But, I remember that about that date I did a system update. there were four Slackware menuentries, and I remember only one. Strange. Anyway I changed Slackware's grub menu entry to root=/dev/hda1 and rebooted. Now it complained about no known file system, Slackware 13 is ext4. Here is the Slackware menuentry:
[Code]...
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Feb 15, 2010
Here the other day, I decided to try out 10.04 Alpha. But after I had done it, I weren't able to boot Vista anymore. When I choose it in the grub boot loader, it changes to only showing the word "GRUB", and nothing more happens. As a desperate attempt to fix it, and because I weren't happy using the Alpha, I then decided to switch back to 9.10, but the problem with booting Vista persists.
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