Debian Installation :: How To Get Grub To Load Windows
Sep 4, 2015
i have installed debian but during installation my installed windows 10 was not found by the grubloader. i have installed windows 10 on my ssd and the debian on my hdd. nevertheless i installed the grub loader on the master boot record, because it said i could still configure it so it can boot both the windows and the debian.The debian installation is running fine. But i now want to boot the windows too. The problem is i have never worked with the grub loader yet and i am little scared that i will do something wrong.How can i get grub to load my windows ?
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Apr 7, 2010
Grub Wont Load Windows.
The Option is not there.
Its Debian.
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Mar 13, 2011
I have just installed Ubuntu, now when logging into my laptop i am able to sucsessfully load ubuntu but i am unable to load the original OS (windows 7).
The grub 1.9 bootloader gives me the option
When selecting this option it goes to a black screen with a - in the top left of the screen then the grub screen re-appears
I have ran the boot_info_script.
Code:
Boot Info Summary:
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May 2, 2010
I am dual booting windows 7 and Ubuntu, and since the upgrade from 9.10 to 10.04 Windows 7 won't load.I tried the solution posted in another thread with a similar problem but to no avail.[URL]
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Jun 8, 2011
I installed Ubuntu 11.04 on a separate partition, with Grub being in it own partition. When I start the PC only windows Xp is available. So how do I get grub or Ubuntu load with windows xp boot loader? I tried with Live cd, the sudo grub but then it says command not found. I think its because Ubuntu 11.04 uses grub 2.
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May 4, 2010
I recently upgraded to 10.04. The grub menu shows my windows partition but does not load it when I select that OS.
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Mar 2, 2011
I try to install to my desktop as Squeeze/ISPConfig3 server, but GRUB does not load after several re-installations.
I have
- 6 x 500GB HDs
- ASYS A8N-SLI Bios SLI-RAID active as only then RAIDSata1-RAIDSata4 can be seen 2 x RAID1 (has to have something) and all drives can be seen by Debian-installer as individuals Same has been working with LinuxMint (both LM10 and LM Debian Edition) (with and w/o fake-RAID)
1st test: Guided partitioning (LVM) for one disk (where /boot will be separated) => Installation OK and starting.
[Code]....
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Feb 9, 2009
I had Fedora 7 and Windows Vista dual booting on my computer. I just installed Fedora 10. When the live CD asked me where to install it, I chose "Remove all Linux Partitions and create default layout" The installation went perfectly, but now when reboot my computer, it boots directly into Fedora; GRUB does not load to ask me which OS I want to load. I know I did not overwrite Vista because I can still view my Vista files through Fedora. Here is my grub.conf file:
[Code]...
What do I need to do to make GRUB load again upon booting?
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Nov 8, 2010
I had windows 7 and i installed ubuntu both on primary partitions. They were running normally and the dual boot was working well. After that I installed debian on a third different logical partition of my disk and then only debian was running and windows and ubuntu didn't. Ubuntu does not seem even when the computer starts! Then i reinstalled ubuntu over the debian so i can run only ubuntu. I cannot see windows 7 at all when grub starts
command sudo fdisk -l gives me:
Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
[Code]....
Partition table entries are not in disk order
Why i have two * in boot column? I have tried some methods i found on the internet but didn't work.
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Jan 17, 2011
I was having problems with a video driver for ubuntu 10.10 64 bit so decided to try and down grade to 32 bit.I kind of carelessly just deleted the ubuntu partition with Gparted thinking that worse case scenario I would still have access to windows 7, since I was running a dual boot. This was a terrible idea and I ran into a bunch of problems. I managed to reinstall ubuntu and it runs fine. However when I try to load windows 7 it justs loops back to the grub screen. Trying to avoid reinstalling everything to get a proper boot
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Apr 11, 2010
First the hard data:
Upgraded from Ubuntu 9.04 to 9.10 via upgrade manager
System is AMD 64
Have dual boot with XP on seperate hard drive
[code]....
Then the wheelspin:
Seem to have knocked out GRUB as normal loading screen does not appear anymore.
Worse, I think I accidently installed grub to something labelled SDC5.
Cannot get anything except the "grub rescue" prompt. I'm not sure if using the LiveCD (9.10) can help. Have tried a few prompts from other threads but just ended up with mud splattered all over the place. I'm gathering I need to load grub, but can I do it using any grub rescue commands?
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Sep 14, 2014
I installed Windows Xp 64bit(in a partition called d:) with dual boot with Debian Wheezy. Installed first Windows Xp and after Debian Wheezy, but grub is not seeing Windows!
Look at my "fdisk -l".
root@robgeek:/home/rob# fdisk -l
Disk /dev/sda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders, total 156301488 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xe274e274
[Code] ....
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Sep 12, 2010
I have finally installed ubuntu 10.4 alongside windows 7.However, the grub doesn't show windows 7 so I can't boot into it.
Attached is a screenshot of "gparted". Windows 7 is installed on "sda2" and Ubuntu is on "sda6". How do I edit the grub to be able to load into windows 7?
And I faced another problem after installation. The pc kept freezing, I couldn't enter ubuntu nor use the live version on my usb stick. It kept freezing.
EDIT: I restarted and it froze again. I had to restart at least times before it allowed me into ubuntu. I'm wondering if it's a hard-disk issue since it's giving me a hard disk error whenever I login. Even though I've been running windows 7 for the past 9 months without any problem.
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May 27, 2010
Grub installed from 9 or 10 ubuntu simply won't load Windows.Ubuntu and GRUB on IDE hdd, Windows on SATA HDD.Installed all default options, just clicked thru install and when attempting to boot Windows XP screen is blank with a blinking cursor in the top corner.Same thing happened earlier when I ran Fedora 11 then 12.Different version of same result.Can't Canonic work with Grub developers to at least make a workable configuration r it's default setup?Searched the web, in a 1000 places same solution is offered: adding a few lines to menu.lst.1) the lines are already there2) this is for the old version of grub.Does grub actually work for anyone out there? Or is it only supposed to work in weird configurations?
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May 2, 2011
I've installed Debian on another partition aside with Windows XP: and when I restart the machine it only list the Debian instalation.
When I do fdisk-l, I see this
/dev/sda1 1 12749 102406311 7 HPFS/NTFS
/dev/sda2 12750 38914 210164507 f W95 Ext'd (LBA)
[code]....
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Jul 29, 2015
My computer's recent history in chronological order:
1. debian jessie is installed using netinstall iso to sda.
2. windows 8.1 is installed to sdc.
Now "lsblk" returns:
Code: Select allNAMEÂ Â Â Â Â Â Â Â Â MAJ:MIN RMÂ Â SIZE RO TYPEÂ MOUNTPOINT
sda           8:0  0 111.8G 0 diskÂ
├─sda1         8:1  0  512M 0 part /boot/efi
├─sda2         8:2  0  244M 0 part /boot
└─sda3         8:3  0 111.1G 0 partÂ
 └─sda3_crypt    254:0  0 111.1G 0 crypt
 Â
[code]....
Result: My computer boots directly to Windows 8.1. If I press F7 during first seconds of boot and choose "debian" as the boot device (via blue bios screen, not grub), debian boots.
My purpose:
1. To use debian grub screen to choose between debian and Windows. (To avoid pressing F7 during boot to use debian)
2. Set debian as default OS in grub and boot to debian unless I choose otherwise in for example 10 seconds.
I guess that I should update grub to fix this but I don't want to take risk.
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Dec 8, 2010
In my ubuntu 10.10 wubi installation, I used to get the option for windows 7. Last week, i added some updates through update manager. After that the windows 7 option is missing. How do i resolve it
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Aug 27, 2010
i have windows xp operating system yesterday i installed ubuntu9.10 dual boot when the grub gets loaded it gives me four options as follows
1) linux......
2) linux......recovery...
3) mem test...
4) windows...
when 1) linux is selected it loads ubuntu properly but. but when i select 4) windows a black page with GRUB written on the top left corner of the page is displayed and will not take any command... the only option i can do is hardboot.
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Feb 3, 2016
I've been using Debian for a few years but always on dedicated boxes and/or VMs.
Finally decided to dual boot Debian and Windows on my main Desktop PC.
Installed as I normally would using, however this time using a seperate drive (one for the existing Windows 10 install and the other for Debian), Debian install detects that windows has an EFI partition and sticks an entry in there, which is fair enough, and everything working fine. Then I spent some time configuring all my software and set it all up just the way I like it. I've rebooted Debian a few times to check it's working correctly and it is.
The issue arrives when I reboot and load into Windows 10. It boots fine.
However after a further reboot GRUB no longer loads... and the machine just boots directly into Windows 10.
After doing some further digging into my EFI partition (and reinstalling various times) it would appear that after a reboot Windows 10 deletes the entry GRUB creates in my EFI partition after EVERY reboot.
Done some googling and most people advise turning off 'fast boot' in Windows as it locks certain partitions to facilitate the machine going into hibernation, only to find that it's always been turned off on my machine (I recall due to a driver issue with my graphics card this had to be turned off when I installed Windows 10).
I've found this article on the Ubuntu forums : [URL] .... however I've tried their steps and windows is still doing a hostile takeover of my EFI partion after a reboot!
Any way to stop Windows 10 from interfering with my EFI files after a reboot? (without doing the obvious thing and kill Windows off).
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Nov 4, 2010
I'm running Debian Squeeze AMD64 with full disk encryption and LVM. After reinstalling Windows 7 I lost GRUB from the MBR. I managed to install GRUB after following this guide and using an Ubuntu 10.04 graphical installation disc, but I only get to a GRUB CLI when booting, so I can't actually choose an OS there.
I tried following this guide but I'm stuck after "# Mount the partitions to /mnt/root" and don't know what to do.
Does anyone know how I can fix GRUB so I get to choose between Debian and Windows 7 there?
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Feb 6, 2010
I have recently put Ubuntu on a friend's computer. I can access the windows partition and everything through Ubuntu. When I go to restart, his Windows XP Media Center Edition is in the boot loader's list but when I go to boot into it all I get is a black screen with a flash _ at the top left. It then just continues to sit there. I was wondering if maybe GRUB was looking in the wrong spot for the OS.
Before I installed Linux he was having problems with Windows XP, which is one reason why I switched him to Ubuntu. For some reason his computer was booting his HP Recovery partition instead of his Windows partition on start up. I was hoping by putting Ubuntu on and using GRUB as a boot loader I would be able to load Windows and Ubuntu side by side as it is on my machine. Windows still doesn't work though I hope people can help me out. I know this isn't really an Ubuntu question but I was unsure where to post boot loader questions.
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Apr 28, 2011
A few days ago I went to perform the Service Pack 1 Upgrade for Win 7. This crashed out with an error. On researching the problem I found a solution to fix the problem by marking the Windows partition as active. I did this (via Computer Mgmt -> Disk Mgmt). This allowed the SP1 upgrade to work, however on reboot I got an error BOOTMGR missing. This I rather rashly resolved by using the Windows 7 install DVD in Recovery mode to reinstall the Windows Boot manager via bootrec /Fixboot I thought I would then be able to use the Opensuse 11.2 install disk to fix grub.
I use the Opensuse install disk and select Repair system -> Expert Mode -> Install New Boot Loader then select Other -> Reread Configuration from Disk. This adds Win 7 back into the grub menu. I then select OK and get the message "the bootloader was installed successfully". The problem then comes when I click my way through OK and Next to finish the install. At the end of the process I get the message "An error occurred during the installation" and I'm no further forward.
FYI the PC has a single SATA disk installed partitioned as follows:
dev/sda1 100Mb Win System Parkition
dev/sda2 Windows NTFS
dev/sda3 Windows FAT
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Oct 25, 2010
I let a 'friend' use my laptop over the weekend. Now when I turn it on, it loads the BIOS details, then says no active partition, then no OS cannot be found.
It looks like they have deleted the partition with SuSE with the Grub Loader.
I cannot load up SuSE or Windows 7!
Any ideas on how to recover the boot to load Windows 7?
I have tried using the Windows 7 install disc to repair - but it does not recognise that Windows is installed and wants to do a clean install only.
Is it worth trying to reinstall SuSE and hope it detects Windows on the other partition? (I assume it is still there!)
I cannot get to a command prompt.
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Nov 9, 2010
I am using Debian Squeeze, having installed it after Windows 7, each on a separate HD.
What happened was that Win7 became unbootable and, after failing to recover it, decided to live without it.
After a (happy) week of Windows-free life, I'm wondering if I can safely remove GRUB ("Grub-pc" and "Grub-common" are installed) since, as far as I know, GRUB is there only to boot/load more than one OS?
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Mar 8, 2011
I have happily been booting debian through grub2 by chain loading it with efi (rEFIt), until today, and now get to begin another learning experience I've been using linux for a while, and kept seeing the guides for splitting up /, /var, /tmp, /usr, and /home, into different partitions, so I did just that when I switched from Ubuntu to Debian (I've realized that this was a little bit pointless because I formated them all as ext4, but at least it acts as a safety for mission critical drives when I overfill /home. I unfortunately didn't give /tmp enough space, and it kept crashing SimpleScan so I decided to use gparted to resize it.
The operation went alright as far as I can tell, and was straight forward because there was some free space behind it so I only had to append the partition. I synced the master boot record through rEFIt as usual, but when I booted the linux partition grub did load, and only a blank screen is presented. I eventually figured out I could use the gparted live cd to boot back into debian, and have been screwing around for a while with grub commands trying to figure out how to allow rEFIt to successfully boot GRUB on its own again. I ran grug-mkconfig to replace my /boot/grub/grub.cfg file and have rebooted but that did not help.
I tried reinstalling grub and grub-common with apt-get, but I didn't purge configuration settings for fear of losing something important. My current focus is on the command grub-install. I think i just need to run this command with the /boot device, like su - root; grub-install /dev/sda1 or some thing like that. wipe out the MBR on /dev/sda1, or screw up what good configuration is left in grub, so I want to make sure that I'm using the right /dev. Currently the gparted output looks like this:
/dev/sda1: fat32 - GPT (gpt from fdisk, gparted shows EFI with the boot flag)
/dev/sda2: hfs+ - MacOSx
/dev/sda3: ext4 - /root
[code]...
how the gnome live gparted disk would have been able to boot. I have access to a hard drive so I'll probably end up making backup images of as many of the partitions as I can, and then try more drastic bashing around, but if anyone has any suggestions/wisdom they could offer while I'm researching solutions I'd appreciate it. I eventually want to try to axe my osx partition and boot directly from GRUB2-EFI so I figure it is worth the investment in time to get to know grub a little bit more intimately.
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Mar 27, 2011
I'm trying to install Debian 6.01 on my PC. I have only 1 hdd and it has 3 partitions. On first there is windows 7 and on second ubuntu 10.10 and GRUB is installed to MBR and I can load both systems with no problems.As PC has no optical drive I was trying to install debian using USB stick but had no success. I was ready to give up when I've discovered that there is a W32 installer that I can run under Win 7. So I downloaded it and executed, it starts and download certain files and then it asks for reboot.
After reboot I can still chose between Win 7 and Ubuntu. If I chose win 7 I'm given a choice to run Windows or to continue setup for debian. Very well installer starts and I can chose all the classic stuff between languages etc. Then I come to a point where I need to choose partitions, ok as I have free 30 Gb partition i choose it for debian with settings:
Format in Ext4
Mount point: /
I already have a swap part that I can use. Done that I can start with selection of packages which goes fine and installs everything directly from debian mirrosrs. After that I choose GRUB to be installed into MBR and it goes fine. Some final steps and reboot.
After reboot GRUB offers me again Ubuntu or Win 7. So I can boot either Ubuntu or win 7 which gives me the same choice from before, Windoes or continue Debian setup. I tried doing the setup again with some repair options that it offers but still nothing happens.
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Mar 21, 2011
i have just installed Ubuntu 10.10 on a pre installed windows 7 system. Ubuntu is working really well but the only problem is that when I try to boot into windows,
I get the windows sign and then I get a black screen and windows does not load. It seems to be an easy problem to solve because I can actually boot windows 7 in
safe mode with no problems at all! The problem is there when I try to boot windows 7 normally. To be honest I only need windows for a project that uses MSQL server.
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Mar 21, 2010
I tried to install debian on my system using a small image at first that would download all the necessary components during the install. It loaded everything except Grub, and wont boot. I need to rescue this as the downloading of all the components took ages and I don't want to do that again.
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Sep 18, 2009
I had Win XP on my T61. I installed Fedora 11 from Gnome LiveCD. Now I cant even see GRUB. The laptop boots directly into Win XP. I had the partitions like this:
/dev/sda1 - Win XP - NTFS - 75 GB
/dev/sda2 - Win Recovery - NTFS - 5 GB
/dev/sda3 - /boot - ext3 - 1 GB
/dev/sda4 - Logical extended partition
/dev/sda5 - / - ext4 - 10 GB
/dev/sda6 - swap - 3 GB
Installed GRUB on the MBR (/dev/sda, and not on any partition). Once I completed installing Fedora 11 from the LiveCD and rebooted, the laptop directly boots into Win XP. No sign of Fedora there. How do I get to install GRUB now?
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Oct 22, 2009
After I do a fresh install of Fedora 10 and reboot the computer, nothing happens. All I get is a blinking cursor at the top of the screen. It's like Grub is messed up and won't load. Grub is installed on the Master Boot Record of the drive I need to boot from.
I have an ASUS P4C800 motherboard with one SATA drive that Fedora 10 is installed on. I also have a HighPoint RocketRaid 1740 SATA RAID controller card. When I take the RocketRaid card out, everything boots like normal, but when it is installed all I get is a blinking cursor at the top of the screen. I need the RocketRaid card because it houses my RAID5 array with all my documents. The reason I got the RocketRaid card is because it has linux support and my motherboard was listed on their compatibility chart. I had this exact same setup running Windows XP and everything worked fine. I did not load any drivers for the RocketRaid card and was going to do that after the system was setup. I don't know if that is the problem since the installer does not see the raid array on the RocketRaid during install. I was thinking that maybe Grub is seeing another disk and doesn't know what to do and sits there with a blinking cursor.
I don't know where to go from here and I am a linux newbie. On a side note. If anyone knows of a good linux book (specifically Fedora), please let me know.
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