Ubuntu Installation :: Grub Dual Boot - Cannot Boot Win 7
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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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 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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Mar 23, 2010
I had a dual boot machine with fedora 12 and windows vista and I could use grub boot-loader to switch between two. Few days ago windows got corrupt and I have to reinstall it. I put windows 7 now and as usual it erased grub. So to reinstall I put the fedora 12 installation CD on and followed some usual setup steps. When I got the command line I issued the command "grub-install /dev/sda" (sda not hda because It showed bunch of sda, sda1..) but surprisingly it said grub command not found. I remember doing it before while it worked fine.
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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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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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Mar 21, 2010
upgraded from 9.10 to 10.04 beta today.Ubuntu boots but not Vista boot info script info for my system as follows...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
partition #7 for /boot/grub.
=> No boot loader is installed in the MBR of /dev/sdb
[code]...
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Nov 20, 2010
My system has 2 hard drives, a 400gb master and a 250gb slave. sda (my main 400gb Windows drive) has XP on it. The slave (sdb) has 3 partitions:
sdb1 is for my downloads (NTFS ~180gb)
sdb2 has Kubuntu 8.10 installed (ext3, 60gb)
and sdb3 is the swap (3gb).
I want to do a destructive upgrade to Kubuntu 10.10 - I have the CD already and burnt. I know I have to select the partitions manually due to the complicated setup, I know I need to format the sdb2 partition to ext4, mount point /, and the swap can stay the same. On which hard drive should I install the bootloader? I can't remember where it is installed now, all I know is I had a lot of problems with the install.
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Feb 23, 2011
I have Windows XP SP3 running on my Desktop PC and wish to dual boot it with Ubuntu 10.10. This isn't the issue as I can do this and it gives me the GRUB menu but selecting Windows XP won't do anything - or so it seems How long should it take to boot into Windows from the GRUB menu?
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Jul 8, 2011
11.04 installed on free space I had setup but it didn't install Grub2 for a dual boot (with Windows 7 Pro). It may have gotten confused with my disk setup. Drives and their groupings (Windows lingo):
- Windows 7 Pro on C-drive (appears to be sdb2), it is a SSD
- The free space was setup on this SSD and Ubuntu is located on sdb5 (Linux) and sdb6 (swap space).
- Applications stored on D-drive (RAID0 with 2 small SSDs using RST (Intel Rapid Storage Technology).
- data on a RAID card using HDs in RAID0.
Small wonder it got confused, if that is the problem. I have a LiveCD I can use to boot, is that the best? What are the commands to install. Is there a better way?
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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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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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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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Jan 27, 2010
I am planning to move my main OS from Windows to Ubuntu (Yeah I am that impressed) but I wish to move windows to my current smaller hard drive until I find all ubuntu replacement programs i can use then eventually eject the windows drive. The problem is has we all know who dual-boot you have to install windows first before ubuntu as the windows mbr is when grub is stored and gets wiped when you install windows.
It must be possible to add windows as secondary OS while keeping / or reinstating grub must it not it surely (eg on 10.4LTS release it would be ok, but if i installed windows vista or 7 on my secondary hardisk it would destroy grub).
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Oct 21, 2010
My dell machine has the following: A raid 0 SAS config with Windows 7 installed in one partition, and ubuntu in the other partition. Then two seperate sata hdd. The raid drive is set as first boot, and Windows views it as disk 0 and boots just fine. When I installed ubuntu 10.04 on the second partition, it viewed the disk as sdc. And when booting off the raid drive,im not given a grub menu to choose ubuntu orwin 7,windows 7 boots all on its own.
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Jan 21, 2011
Here's what I want to do. I have two separate HDD
HDD 1 : 160 GB (dedicated to windows, already working)
HDD 2 : 500 GB Will be using dedicated to ubuntu (not partitioned yet)
I want to use the HDD two only for linux and this HDD is not partitioned yet. What I want to do is
- A dedicated Grub partition (/boot) on HDD 2 (Do I really need it when I am using just two os? Will it work on second HDD?)
- / root partition
- /home partition
- /swap partition
- /fat32 partition (do I need it to share files with win?)
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Feb 19, 2011
I'm running 10.10 32 bit and would like to reformat to 10.10 64 bit. However, I am dual booting with windows 7 under grub. I've had some crap experience (my fault) with grub before and would like to make sure I have a plan. I've downloaded the 10.10 64 bit. Can I simply boot and install 10.10 64 bit without concern of messing up grub? Horror story: Installed ubuntu once before with dual boot and somehow grub couldn't find windows
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Jun 16, 2011
I have a desktop Windows PC with three hard drives. Having successfully installed Ubuntu on a laptop I used the same CD image to boot Ubuntu on my desktop machine. All seemed well so I selected the option to install alongside the existing OS. I left the choice of drive as presented by the installer (it was the largest one) and asked for an 80G partition for Ubuntu. The installation went well but when the machine was restarted it just booted straight into Windows. No sign of the bootloader menu. I'm guessing the BIOS doesn't look at the drive where Ubuntu is installed, and the installer did not put the bootloader on the Windows boot drive. The Windows drive is too small to install Ubuntu there.How do I fix this so that I can dual boot, or alternatively how do I get rid of Ubuntu and reclaim the 80G for Windows?
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Jul 9, 2011
I wanted to install ubuntu 11.04 alongside win7 on my notebook (with no optical drive). I created 2 primary partitions (one for win7 [ntfs] one for ubuntu [ext4]) and 2 logical partitions (one for swap one for general use for storage[ntfs]) by running ubuntu from my USB Flash disk and using gparted. First, I installed win7 without having any problem, then ubuntu also without having any (apparent) problem (I installed boot loader on MBR: the default setting). After the ubuntu installation is over, I was instructed to restart my computer as usual and win7 started without asking me which OS to boot. When I run ubuntu from my Flash disk and run gparted and selected the boot drive as the partition on which ubuntu was installed, I got the error saying "missing operating system". I suppose GRUB is misconfigured and that is causing the problem because nothing went wrong during the installation processes. How to configure GRUB by running ubuntu from my Flash disk. BTW win7 is working just fine.
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Mar 25, 2009
This will make the third time I have tried to load Ubuntu and it has wiped out my Win OS twice and am not sure it hasn't done it again. I installed a 40gb hdd as a slave, have XP on the master. In the process of installing I picked the drive that corresponded to the slave. Didn't understand the the names or titles Ubuntu used but proceeded and the installation went fine although I never saw a place to load Grub on the master drive. After rebooting a couple of times saw the option to click Esc for boot menu but the only choices given were Ubuntu, ubuntu recovery and ubuntu kernel. Can find no mention of my W OS. Have tried to unplug the slave drive but can't boot then as get error message of Grub error.
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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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Oct 1, 2010
I have win 7 and F13 installed on my computer but I am having trouble setting up dual boot so I can choose to boot F13 or win 7. I have tried to set up grub, how to install grub and set up a dual boot so I can use F13.
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Jan 2, 2010
I just attempted to install ubuntu for the 4th and 5th time and have yet again had a fail. This time it actually completed the installation, which is a first. however upon reboot it takes me directly to Vista - I don't see grub or a o/s selection choice.
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Mar 29, 2010
i'm trying to install 98se to a 110gb partition so i can dual boot with ubuntu 10 for 98 and 100 for ubuntu after the resize. when i tried making multiple partitions manually for ubutnu putting it on separate partitions i got grub boot errors. the problem i am having every time i try to install 98 it forces me to scandisk it then i have to hit space bar to fix every error i thinks it finds wich is impossible to press it 2 million times. now if I format in a non 98 format and tell it to format in lba it keeps asking for a boot disc, i burned one off but, still kept asking for it. if i do it in non lba, it only saw 2 gigs in 98 and when i went to install ubuntu it was a giant hard drive no partitions. i did try making 3 fat 32s 1 for 98 and then swap and linux partition but, the i got grub errors 17 and 18.
the problem is that bios a cap of 130gb for each drive or in this case partition. it's 320gb WD blue Scorpio. the short i want to dual boot 98se and ubuntu 9.04 with 2 fat32 partitions for storage 110 +100 + 80 = 320 also some visuals.
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Sep 13, 2010
I'm having serious troubles to install ubuntu-10.04.1. My raid is an hardware raid with intel chipset. Note that win7 is already installed and working with my raid. I made some space from windows, to install Ubuntu (40gb). First, I run the installer, everything seems to be fine. I choose to install Ubuntu were there is the most space free (sorry, I'm not sure about the real terms used there).
Then my partition with the vista loader appears. So the installer can see my raid, and should work fine (everything is detected correctly). But once I'm in the end of the installation (around 95%), a pop-up appears, and tells me that Grub can't install in /dev/sda and it's a fatal error. I can choose an another destination, but it doesn't seems to work.
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Dec 4, 2010
I just tried to install Ubuntu 10.04 on my windows machine. Unfortunately there was an installation error and now the computer will not boot up in windows anymore (I get grub error 17). I had Ubuntu 7.04 before, but when installing 10.04, I deleted the 7.04 partitions. Is there a way to recover the ability to boot into windows?
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Mar 21, 2011
I installed Windows 7 and then Ubuntu 10.10 64 bits. The Ubuntu installation went fine but when rebooting a "check disk" appeared and since then my PC keeps booting directly on Windows. I tried all the GRUB reinstallation methods of the GRUB2 Community Documentation with the live CD but none worked.
Below is the output of the Boot Info script found on several threads.
[Code]...
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May 9, 2011
My system has Windows XP Pro SP2 installed on /sda1 and originally a 10.04 on /sdb1-3, now upgraded to 11.04. The Ubuntu system works fine (teething troubles with nvidia drivers on upgrade but fixed now), and the Windows system shows up in the grub menu, but when it's selected, I just get `GRUB Hard Disk Error' and nothing else. Windows installed properly, and booted successfully until I installed Ubuntu in the first place. I can still access the files on that drive from within Ubuntu.
I've tried fixboot in the Win Recovery Console, which sounded like it did something, but didn't fix the problem. This problem isn't new to grub2, by the way - I just haven't needed Windows in a year.
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