Ubuntu Installation :: Windows Does Not Start In Grub
Aug 3, 2010
I'm new to the world of dual booting Ubuntu. My computer is currently running windows 7 64-bit, and I'm trying to install Ubuntu 32-bit to run beside it. So I've created a boot disk, and I try to install Ubuntu. The weird thing is when I get to the frame that says "Prepare disk space" it correctly shows that I have windows 7 on the computer, but it shows it's on the wrong drive. In fact within the Ubuntu installer it doesn't even show the physical drive that windows is on, it only find the other two drives. If I load up System > Administration > Disk Utility then I can see all 3 physical hard drives and all the partitions on them, but not under the Ubuntu installer.
So I tried installing Ubuntu onto one of the other physical hard drives and that seemed to go just fine. The only problem is now when I boot, the only way I can swap operating systems is to go into my BIOS and change the boot order of my hard drives. If the hard drive with Windows is higher in the boot priority, it will boot windows, no problem. If the hard drive with Ubuntu on it is higher, then it takes me to grub, where it correctly shows windows 7 and ubuntu. Only problem is when I choose windows 7 all I get is a blinking cursor and nothing happens.
If I choose Ubunutu it boots correctly and everything works. So in a way I do kind of have them both working, but it'd be nice not to have to go into my BIOS just to change operating systems. I'm guessing that grub's problem is that the Ubuntu installer identifies the wrong drive that Windows is installed on, so when I pick Windows from grub it goes to the wrong drive. Can I fix grub manually? Or is there some compatibility issue between Windows 7 64-bit and Ubuntu 32-bit that is causing this conflict?
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Feb 11, 2010
I am having trouble getting a dual boot setup on Ubuntu remix on a netbook. The install went fine, but then windows would not book. I had a windows error. So I reinstalled windows, and rebuilt grub. Now when I try to launch windows from the grub menu it says "error: no such device: 0a82ff1982ff0849". How do I go about fixing that? I can boot to Ubuntu fine now.
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Apr 28, 2011
When I try to enter Windows from GRUB my computer displays a black screen and then I'm back to GRUB. It's impossible for me to enter my Windows XP partition.
sudo fdisk -l:
Quote:
/dev/sda1 * 1 52930 425160193+ 7 HPFS ou NTFS
/dev/sda2 52931 60802 63224256+ f Win95 (LBA) Parti��o Extendida
/dev/sda5 52931 53251 2571514+ 7 HPFS ou NTFS
/dev/sda6 53251 60281 56470528 83 Linux
[Code]....
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Jun 22, 2010
If I use the super grub disk I can get to my ubuntu partition otherwise my windows partition boots automatically. I spent over an hour in the community documentation using the live cd to reinstall grub and nothing has fixed it. I think that grub is installed and the windows bootloader is just taking precedence.
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Jan 27, 2010
Right, so I've looked high and low for the answer to this problem and haven't found it, although I've found a million and a half threads about grub especially when it comes to dual booting windows. Which I'm not. What I am though, I suspect, is an idiot who shouldn't mess around with my computer at 4 am.
So the problem is every time I turn on my pc, grub tells me it can't find a file system and goes into recovery mode. Can't boot into ubuntu at all. Am using the live disk to type this.
I also think I know why grub is doing this, I was dual booting windows before, I had windows installed originally, added ubuntu to a new partition. Was having problems with grub. Figured that reinstalling it wouldn't be a bad idea, it might fix it. In that process I did something rather stupid, I accidentally installed grub to my other internal hard drive. There is no operating system on it. Just movies, music, etc. The problem, I think, is that my second hard drive is sda, and the one with my os is sdb, which I suspect means that grub is loading from sda and finding no operating system, rather than from sdb. (It's like that because my larger drive wouldn't fit into the sda slot on my computer, long story.) How do I remove grub from sda?
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Dec 27, 2010
Using Ubuntu 10.4 32-bits, Windows 7 32-bits (sda) and Windows 7 64-bits (sdb). Grub displays 2 menu-entries Windows 7, but both entries start Windows 32-bits (sda).
"sudo update -grub" doesn help.
sudo fdisk -ul gives:Schijf /dev/sda: 640.1 GB, 640135028736 bytes
255 koppen, 63 sectoren/spoor, 77825 cilinders, totaal 1250263728 sectoren
Eenheid = sectoren van 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
[Code]....
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Apr 22, 2010
installed windows 7..then tried restoring grub using live cd....mounted partition somewhere else....then installed ubuntu again where it was installed previously and now grub is not detecting windows 7 but i am able use my windows files
used sudo update-grub2.
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Jun 2, 2010
I can't turn on my PC and write jet from my neighbors notebook. Because of problems with Windows updates und ubuntu vpn I installed today Windows 7 again and then openSuse. It was OK. Than I began with set up of different Programms for windows, like WinRar, Avira Antivir ect... As soos as it was done I wanted to begin with set up of openSuse... But the start menu is gone - there is nothing there now! Last time I could choose betwee 2 windows partitions, openSuse start-partition and openSuse fall-Save. -Now there is only "grub>" line
And I doesn't have any idea what I can do, I doesnt know where are startfiles, where is /boot/grub order, I don't know how can grub be used also. But I know that if I try to register my windows 7 agan at the same day, my windows lizens would get invalid. Has someone any idee what can be done?
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May 24, 2010
I do not know what to do, i cannot load windows partition. it just loads grub again. this must have been something that happened when i upgraded to the 10.04 or w/e. can someoen help me out with what i can do to stop this or fix it. maybe i can reinstall but i want to know what will work first, i do not have a lot of time to fool with my computer like this again. i spent a week getting ubuntu on my computer the first time so i do not ever want to spend that much time again especially in finals week. !
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Oct 7, 2010
I am actually facing a vague problem here. I was previously running Windows XP and Ubuntu . Ubuntu was installed Windows XP The problem is
1. First I tried to do some disk partitioning. That ended up with some error.
2. Ignoring that, I went to install Windows 7 over Windows XP but I was not able to proceed with Windows 7 , because the partitions were corrupted.
3. So I used Ubuntu LIVE CD (Grub was lost at this point )and used 'testdisk' and recovered the partitions.
4. Now installed the Windows 7 successfully.
5. Now again I moved to Ubuntu Live CD to write the GRUB. After which I tried restarting
6. Now Ubuntu is booting perfectly as before. But the problem is with Windows
7. The GRUB loader instead of showing Windows 7, it shows Windows XP !!! . and there is no other entry for windows. When I tried opening it, it says "error, cant read file" and further inout moves back to the grub loader list again.
"How do I change the entry to Windows 7 from Windows XP and boot Windows7 successfully " I tried it a couple of times, same thing happens . So how to change the entry?
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May 7, 2010
I had 9.10 installed and I did an upgrade to 10.04. However I cannot see anymore my Windows Vista partition with grub.. I have a Toshiba laptop Satellite p305.This is my boot script output:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in [code].......
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Mar 5, 2011
how to be able to add windows 7 to my grub menu or to even be able to boot to windows 7. I am currently unable to do it and my system just automatically goes straight to ubuntu. I've tried holding down SHIFT during startup and all that appears in my list is ubuntu entries and a memtest entry. My windows 7 files are still intact because I can see the drive through ubuntu and see all my files. I am trying to have Windows 7 on one hard disk that is 640GB and ubuntu on a second hard disk that is 160GB
[Code]...
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Aug 5, 2011
Ive been running windows 7/Ubuntu dualboot for some years now and never had any problems.Some months ago I got a new Patriot Inferno ssd. Ofc the first thing I did was to installl windows 7, it had no problems, ran fast and smooth. Then when I reinstalled grub I started to get error when trying to start windows, the logo never apeared and all I got was the message "Windows failed to start. A recent hardware or software"Status: 0x00.00F" "Info: The boot selection failed because a required device was inaccessible.". It does not matter what order I install windows and ubuntu in, or how many times Ive tried to reinstall grub. Windows 7 will not work while I have grub/windows installed. Right now Ive got them installed on separate drives, ubuntu on the ssd and windows on a partition on a 1tb hdd. Unfortunately I need to have windows for .net programing and gaming..
[Code]...
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Jan 26, 2011
After I finally successfully installed ubuntu, I cannot start Windows from the GRUB start menue.
Since I am an absolute beginner
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Jan 24, 2010
Just upgraded to 9.10 on a laptop with dead Vista which I lost when I moved over to UBUNTU some time ago. Never any problems but when fiddling at boot up tonight I accidentally selected to boot up the Vista loader which went into the Vista recovery, and since then the laptop only opens up the Vista Recovery, ie it does not go to the Grub. Any ideas on how I can get to boot UBUNTU again?
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Jun 25, 2010
Here's today's problem: I upgraded to Ubuntu 10.04 and hope to have it run alongside Win XP PRO, which it had for months.
Only, when I select WinXP in GRUB, nothing happens. Oh the screen goes dark for a few seconds, but then the GRUB screen reappears. Ubuntu 10.04 functions correctly.
here are the contents of what I assume is grub.cfg code...
What I need to know is how to make GRUB load WinXP.
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Sep 30, 2010
When I restart, GRUB sometimes doesn't start. It just hangs at the flashing cursor before grub.
When I restart again, grub works fine. The flashing cursor shows at the top of the screen for a few seconds, and then there is one or more new lines, and then the grub screen.
This is on an HP Pavilion 640 which is otherwise very stable.
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Dec 18, 2010
I have been successfully triple-booting Windoze and 2 varieties of Linux on my desktop for some years now with very few problems. The latest configuration which I have been using for 6 months or so is Kubuntu 10.04 & Ubuntu 10.04. The last version installed was Kubuntu 10.04 and on installation it's version of grub found Ubuntu 10.04 no problem (other than a minor problem with partition numbering which was manually fixed) and all was well.
I have just upgraded Ubuntu 10.04 to 10.10 (by clean install rather than version upgrade) and the new grub from Ubuntu 10.10 will not start the existing Kubuntu 10.04, I just get "error: file not found".The grub.cfg file from Ubuntu 10.10 is completely different (copy attached) but the partition references & numbers etc. are correct so why will the existing Kubuntu 10.04 not start ? Windoze starts OK.
#
# DO NOT EDIT THIS FILE
#
[code]....
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Dec 18, 2010
I am trying to install ubuntu 9.04 in a desktop but when loading the first screen it appears a box writing somthing "vmlifuz" the only choose that have is "ok" when i am hit button "ok" does not working, if a press it again (when the box with the ok disappears) load the dialog saying "Try ubuntu" , "install ubuntu" etc. Then if a hit one of this the dialog comes again saying something about "live-install" i hit ok but this time not process in the installation. After that I had try to intall windows xp but when go to load kernal prompt a message could not load a setupdd.sys. I had try to install Linux mint after the starting screen says ready and then nothing , i had try to install fedora only running the cd without even a message only a black screen. At last i had install ubuntu to another pc and i took the hard disk and plug it to this one, when i power on the pc after bios info in the screen come this "grub rescue>"
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Jan 11, 2011
Before: I had 2 os's ubuntu and windows installed on my system. Recently, I decided to install ubuntu to a flash drive. All went well except grub was not installed to the flash drive, but appended the existing grub setup on my hard drive.
Now: Even if I set the default system in grub as windows, or the original ubuntu install, my system will not boot unless the usb stick is plugged in. I get message. Error: grub rescue: My ideal solution: To stop grub searching for my flashdrive before loading the boot menu, and if possible to write grub to the flash stick.
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Apr 29, 2015
I did an install of Jessie on a Macbook 2,1 to be the machine's only operating system, but it won't boot, showing only a black screen with a blinking cursor. I think the problem is caused by a mistake I made during the installation process, where I selected yes for the prompt:This machine's firmware has started the installer in UEFI mode but it looks like there may be existing operating systems already installed using "BIOS compatibility mode". If you continue to install Debian in UEFI mode, it might be difficult to reboot the machine into any BIOS-mode operating systems later.
If you wish to install in UEFI mode and don't care about keeping the ability to boot one of the existing systems, you have the option to force that here. If you wish to keep the option to boot an existing operating system, you should choose NOT to force UEFI installation here. Force UEFI installation?
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Jan 6, 2010
I'm trying to install ubuntu from a CD. I believe it is version 8.4 The install seemed to go fine and I rebooted my computer and immediatly after start up I get a message that says: Grub Loading stage 1.5.
Grub loading, please wait... Error 18
I have no idea what this means or what to do and Im not the most computer savy guy. My computer is stuck and will do nothing at this point.
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Jun 1, 2010
I did a clean installation of Ubuntu 10.04 and I found that after the computer booted, the GRUB stopped by waiting for entering command -- "grub >". The GRUB version is 1.98. I want to go directly to the GRUB boot menu after computer booted.
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May 8, 2011
I am running ubuntu 10.4, windows 7, and I had ubuntu 10.10 on a single hard drive. I upgrade the 10.10 system to 11.4 and now my grub menu which is on the 10.4 system shows two windows and two 11.4 installations.
How can I clean this up? Also I have tried to start with the grub 1.99 on the 11.4 system and all I get is a black screen at startup. I am happy with grub on 10.4 except for the extra lines.
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Mar 30, 2011
I have a single harddisk partitioned with Ubuntu Maverick and Windows 7 installations. I installed Windows first and then Ubuntu, after resizing partitions and adding a new one for Ubuntu. Win7 did not appear in the Grub2 boot menu. I added it (sda3), but on rebooting, I get the message "BOOTMGR is missing/Press Ctrl+Alt_Del to restart".
I understand that Win7 might have put its boot manager in another partition, and sda1 had FAT. I added sda1 as another grub2 entry, but when I try that, I get the error message "Windows Boot Manager/ Windows failed to start. A recent hardware or software change might be the cause... Status 0xc0000225/ Info: The boot selection failed because a required device is inaccessible." Attached are fdisk and parted outputs; and the grub2 files I created. How do I get Windows 7 to boot up?
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Nov 8, 2009
For some applications i still have windows XP installed. Because of the fact that Windows has to be reinstalled once a year (it's only windows ) I deleted the MBR accidentely. Now I can't start Fedora again. hen I start Linux using the Installation CD of Fedora 10 my partition is not mounted automatically because I am using LVM.
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Feb 22, 2010
i've been using ubuntu with wubi, and I'd like to install it on my new hard drive (so windows is on one hdd and ubuntu is on another). afaik, grub will be installed on the hdd w/ ubuntu, and i have to set it to recognize the other (windows) hdd. assuming that i want to get rid of ubuntu and just use windows, what steps do I have to take to do so? (if grub is only on the ubuntu hdd, then would I just have to format it?)
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Dec 20, 2010
I have Fedora 13 and XP installed on my laptop. Right now it only boots to XP but I have a Fedora Live CD so is there some way I can use the live cd to boot into Fedora and edit or install grub to show up at boot?
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Feb 5, 2010
My laptop got broken so I extracted my hard drive to use as an external. The problem is the computer I am using has windows xp on it and my external has also a windows xp, ubuntu and kubuntu. I need to have the xp from my external running because i use it for .net development. How I can have 2 windows on grub with root (h0,0) and (h1,0). My ubuntu is (h1,6) and kubuntu is (h1,3).
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Mar 8, 2010
I've been dual booting for years now between XP and Ubuntu Dapper -> My computer has a number of hard drives but on the main Hard Drive I have a Windows 7 partition and a Ubuntu Partition and a Swap partition.I've installed Karmic on it's partition twice now, I know the disc is fine because I have checked it for errors and installed it on other computers.
I have tried setting up the Boot Loader from Windows 7, but this yields a message "Cannot load from harddisk". GRUB doesn't install what so ever.Do I need to specify where GRUB gets installed as Windows 7 uses a different Boot Loader? Is this a Karmic / Windows 7 / Hardware bug?
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