Ubuntu :: Grub2 Does Not Detect Windows XP On U9.10 / Make It Possible?
Apr 2, 2010
I installed Ubuntu 9.10 yesterday on my computer. I had Windows XP and Windows 7 (I deleted the Windows 7 partition and installed Ubuntu 9.10). However, after installing Ubuntu, I couldn't access the grub boot menu. So I googled, and I found out how to make the menu show up again. That was okay. But Windows XP didn't show up. So I googled a bit more, searched the forums, and I added the following entry to my 40_custom file code...
As far as I know, that should work. The uuid I entered there is the one that gparted told me was the uuid of the partition. However, this isn't working. I get a disk read error when I try to boot my Windows XP.
According to my gparted, my Windows XP drive is inside an extended partition? I wonder if that has any influence on why I'm getting the disk read error, or anything. It's either that, or my 40_custom entry is wrong. I've been trying to sort this out for a while now, and I'm afraid I'm not getting anywhere with it.
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Jan 17, 2010
As the Title states, "update-grub" does not detect the windows xp partition on /media/sda1. And, when I attempt to mount it from teminal nothing happens, and from nautilus I receive the following error: "Error mounting: mount exited with exit code 2:
mount: only root can mount /dev/sda1 on /media/sda1" I am root.
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Oct 10, 2010
I've searched quite a bit and cannot find a solution to why using update-grub cannot detect my windows 7 partition Here is a log of the bootinfo script(hopefully it pastes correctly...)
Code:
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 #1 for (,msdos1)/boot/grub.
[code].....
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Jan 30, 2010
I had Windows 7 installed on my system, then I installed Debian testing with grub2 as its boot manager.Initially I couldn't see windows entry in grub at all, so I ran:aptitude install os-prober kcpuload update-grub Now I can see the entry, but when I select it I get only Win7 system restore, instead of the the real thing. Any ides how to make it work?
EDIT: I tried the suggested approach to add a new file to /etc/grub.d, which generated an entry in grub.cfg, but it does not appear in the grub menu on boot :(
I have this:
grzes:/home/ga# cat /etc/grub.d/11_Windows
#! /bin/sh -e
echo Adding Windows >&2
cat << EOF
menuentry "Windows 7″ {
[Code]...
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May 12, 2010
I installed Debian on a old hard drive (quantum 5gb) and ran with it for a couple of days.. BUT all my data (including windows) is on my other hard drive.. so my question is What do I have to do to make grub detect windows and linux when I attach the 2-nd hard drive?
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May 9, 2010
booting 4m external it goes into rescue mode saying uknown partitionwen i boo 4m computer grub it says no such device.Cannot even browse via grub command line. Says unknown partition.Posting via mobile
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Mar 7, 2010
i initilally installed ubuntu 9.10 then installed windows 7 ,then i recovered grub2 using livecd as told in the post [URL] i did "sudo update-grub" and got windows 7 menu entry but when i select that entry windows 7 does not load but the grub2 is reloaded again.
i cant boot to windows 7.
Windows 7 have 100 mb partition "System Reserved" the grub2 points to that partition but still windows 7 not loaded.
sudo fdisk -l
Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x3c3a81f5
[Code]....
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May 17, 2010
I went through so many post but I haven't found the proper answer yet hope you have an Idea1. Grub2 saves only Linux OS as last selected no Windows OS2.It is possible to boot into a cdrom (drive)?
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Jun 12, 2010
I have a laptop Acer Aspire 5538 (AMD Turion 64x2). I just installed Ubuntu 10.04. I like it but I still need windowsXP to run some ''old'' software. So Installed WindowsXP Media Center and Windows7 Home Premium (from my recovery DVDs). But Grub2 only detect Ubuntu and Windows7, and not WindowsXP! I undated Grub2, reinstalled it, manually modified it but no success. I finally reinstalled WindowsXP M.C. and reboot on Ubuntu by reinstalling Grub2 with the liveCD : no solution! (even before installing Ubuntu, Windows7 wasn't able to detect WindowsXP).
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Feb 12, 2011
I want to install distro directly from isoand came to know that this can be done using grub2so ,i installed grub2 in fedora 14 andIn /etc/grub.dpasted the following lines in
40_custom
#!/bin/sh
echo "Install" >&2
[code]...
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Feb 15, 2010
I installed Ubuntu9.10 on a USB hard drive attached to my laptop. Laptop has pre-installed XP in the in-built hard-drive. Point to be noted is that my hard-drive is protected via encryption software called Pointsec.
The installation of Ubuntu on the USB hard drive went through fine and I'm able to boot Ubuntu from it.
But now the problem is, GRUB2 fails to detect the Windows XP installation.
Can someone tell me how I can force GRUB2 to boot Windows XP from hd0,0?
The GRUB1 way of configuring /etc/grub/menu.lst does NOT seem to work with GRUB2.
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Aug 6, 2010
I installed a sound card but when I go to System->Preferences->Sound and go to Hardware it's not showing anything at all. If I boot from the Live CD then it will show the card and it works. How can I make my Linux installation detect this card? I was thinking that I could somehow copy the necessary files from the Live CD to make this work, but maybe there's an easier way.
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Aug 10, 2010
I've try ubuntu lucid in DELL Inspiron, but touchscreen utilities is not run.
How can repair it.
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Mar 14, 2011
I just installed CrunchBang Linux and it's great! But I can't boot into windows anymore. I'm sure it didn't delete my Windows partition-it's mounted. My linux partition is /dev/sda1 Windows is /dev/sda2
Code:
sudo update-grub
Found linux image: ....
Found initrd image: ....
Found linux image: ....
Found initrd image: ....
done
how I can get Windows to reappear? I've had bad luck with Grub in the past and I don't want to fight it on my own...
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Sep 11, 2010
I was trying to make my grub2 password enabled. So I went through several blogs and forums(every thing has same way). What I do is I add following line this the /etc/00_header file
[Code]....
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Jun 24, 2010
I am working on debian based OS and my query is,how to make detect the Number of NIC's plugged on a PC.
I describe it: Exact requirement would, assume, If I plug 3 NIC's for a PC,one for Internal Network,one for External Network and Other remaining one for DMZ,so I need to make an application(Firewall Kind)in such a way that,once my PC is started,it should detect how many NIC's are plugged and Whats their role played(As Mentioned above)..?
I hope u guys got a basic idea on what and how it it can be implemented..
I request to send some clues,or some related URL's/Tutorials or which part of the Linux File System needs to be edited(/etc or/proc),etc.
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May 15, 2011
I tried, of course:
Code:
awk '/^./ {print}' FILE.TXT
That does not work, I just get an empty output, even if FILE.TXT contains lines which fit the desired regexp I've searched but did not found my way. I'd like to do it with awk, as I want my program to rely only on awk, nothing else such as sed, grep, etc.
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Jul 11, 2010
I want to do everything with disk labels. My /etc/fstab is already set up for labels.How can I tell grub2 to use labels? I need it to stop using UUID for root.
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Jun 9, 2011
I need to write a small application which needs to detect if the system time is changed by an another application/user and perform some action as soon as it is detected (maybe log the data that time has changed, along with info about which application/user changed it).
How can this be achieved?
I have good programming experiences in shell script, c and beginner level in python.
I don't need to know when it was changed, just need to know who/what changed it.
The system uses NTP to sync the time, but it is also possible for anyone/any application to change the time(for eg: using the simple "date" command as well).
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Jun 9, 2011
I generally have at least 4-5 distro's installed at one time - I always install grub to the boot partition of other distros -that was I control grub from the individual distros - I use ubuntu's grub as the default boot loader.
Rather than the method that ubuntu uses with the update-grub.I normally edit the grub.cnf file to add other distros but when update-grub launches it also adds links in grub.How can I prevent the upadte-grub script automatically adding lines for other distros i.e - I just want it to add ubuntu entries and ignore other partitions.
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Jun 7, 2011
I need to make a bootable grub2 CD. The instructions refer to /usr/lib/grub/i386-pc/stage2_eltorito. It is not supplied. Is it available separately, or do I need to build it myself? If so, how?
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Jun 23, 2011
Id like to make bootable ISO of a directory using mkisofs + grub2.
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Jun 2, 2011
I have a Dell PowerEdge SC1425 with two SCSI-disks, that I have tried installing Debian Squeeze on. This machine has previously been running Lenny (with grub 1), and the upgrade was done by booting a live-cd, mounting the root partition and moving everything in / to /oldroot/, then booting the netinstall (from USB), selecting expert install and setting up everything (not formatting the partition).
Both disks have identical partition tables:
/dev/sda1 7 56196 de Dell Utility
/dev/sda2 8 250 1951897+ fd Linux raid autodetect
/dev/sda3 * 251 9726 76115970 fd Linux raid autodetect
/dev/sda1 and /dev/sdb1 contain a Dell Utility, that I have left in place.
/dev/sda2 and /dev/sdb2 are members of a Raid-1 for swap.
/dev/sda3 and /dev/sdb3 are members of a Raid-1 for / formatted with reiserfs.
After installation, grub loads, but fails with the following message:
GRUB loading.
Welcome to GRUB!
error: no such disk.
Entering rescue mode...
grub rescue>
Doing "ls" shows:
(md0) (hd0) (hd0,msdos3) (hd0,msdos2) (hd0,msdos1)
I can do the following to get grub to boot:
set root=(hd0,3)
set prefix=(hd0,3)/boot/grub
insmod normal
normal
This will bring me to the grub menu, and the system boots.
It appears that grub has only found md0, which I believe is the swap partition, because ls (md0)/ returns error: unknown filesystem. I have installed grub to both sda, sdb and md1, and tried dpkg-reconfigure grub-pc and dpkg-reconfigure mdadm, as well as update-grub.
I manually added (md1) /dev/md1
to /boot/grub/device.map, but still no result.
I have run the boot_info_script.sh, but unfortunately I cannot attach the RESULTS.txt, because the forum aparently does not allow the txt-extension. Instead I have placed it here: [URL]. I am tempted to go back to grub-legacy, but it seems I am quite close to getting the system working with grub2.
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Feb 23, 2010
I'd like to have a dual-boot system with WIN7 and Ubuntu. I already have Windows 7 installed. I tried the 9.10 installation but the partitioner says i don't have any Operating Systems installed. I read a few threads about this type of issue and i didn't find any solution. Then i found a discussion saying that there is a problem with GRUB2 in 9.10 and that the problem is not present in 9.04. Then i tried the installation with 9.04 but got exactly the same problem: the partitioner does not detect Windows 7. Basically i have this system:
- Windows 7 Professional x64
- 1 TB HDD with 4 partitions with 100Gb each (NTFS)
- ~600 GB unpartitioned free space
- Processor Intel Core 2 Quad Q8200
- ASUS P5Q MOBO
- ATI Radeon HD 4550
I tried both the x32 (i386) and x64 (AMD) versions of 9.10 and the x64 version of 9.04. I don't have the WIN7 partition that some installations seem to have, at least i don't see it under Disk Management (Computer Management).
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Aug 26, 2010
I booted into Windows 7 three times this summer and each time I did, upon restart grub was missing. In fact, the computer couldn't find any operating system, and displayed an error "No Module Name Found".
how to make windoze not commit suicide and delete grub?
I have a Dell Studio 1557.
:~$ uname -a
Linux dell-monsters 2.6.32-24-generic #41-Ubuntu SMP Thu Aug 19 01:38:40 UTC 2010 x86_64 GNU/Linux
:~$ sudo fdisk -l
[Code].....
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Oct 27, 2010
I upgraded a while back to Windows 7. I run two separate HDDs, with debian on sda and windows on sdb.Everything worked fine, up until i upgraded to windows 7. The installer forced me to unplug sda and make sdb primary. After installing I repositioned the HDDs and was stuck with a "NTLDR is Missing" messageAfter removing the search -fs--uuid tag from grub.cfg, Windows 7 booted for a good 0.5 sec and then rebooted. All that flashed was the "Starting Windows" page. I see similar bugs reported in the launchpad, but nothing that directly parallels this Here's my windows entry in grub.cfg:
Code:
menuentry "Microsoft Windows 7 Ultimate (on /dev/sdb1)" {
insmod ntfs
[code]....
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Nov 18, 2010
I've installed Xubuntu 10.10 on a very new EeePC 1201HA. The netbook came preconfigured from the OEM with the disk split into two Windows partitions of about the same size, one with Windows 7 starter. I removed the second partition (Which was just empty) and have installed a series of different distros since then, to try and gauge their support for the 1201HA hardware. I finally settled on Xubuntu, which can support most of the laptop's features with some tweaks.
However, after this last install, and a Grub config change needed to make the framebuffer work on this hardware, I'm unable to boot Windows 7.Grub shows it on the menu normally, but when I select the Windows 7 entry, I get the message 'Reboot and select proper Boot device or Insert Boot Media in selected Boot device and press a key,' which I understand isn't from the OS but rather a BIOS message which implies there is no loader.
I've tried using the Windows 7 system restore to do everything short of rewriting the Windows bootloader to the MBR (Which would, of course, remove Grub and thus not solve my problem, as I couldn't load Ubuntu from it). I attempted to fix the boot sector on the partition with the system restore tools, to no avail. And because this is a netbook with no optical drive, I'm unable to reinstall from a disk.
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Dec 5, 2010
So to make things short, here's my situation: I was having the "no module found" problem, because dell software kept on messing with the MBR So I restored the MBR using Windows recovery and deleted the dell software Re-installed ubuntu 10.10 off the liveCD ~Then I had problems getting GRUB2 boot menu to show at boot, but i fixed that~ Now I'm having the problem where whenever I try to boot into windows 7 through GRUB2 instead of booting windows I just get:
"bootmgr is missing"
Note: I can still boot into Ubunutu 10.10 just fine.
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Feb 17, 2011
I installed Ubuntu 10.10 on my computer from a USB. I did not use wubi to install ubuntu. The computer already had Windows 7 installed. According to gparted, Windows 7 is installed in sda1, linux swap space is in sda2. Then sda3 is shown as a drop down menu containing sda5, where linux is installed. A picture to show this is attached . sda4 is a recovery partition that came with the computer.
The problem is that Windows 7 sometimes boots, and sometimes it does not boot. Most of the times it does not. Ubuntu boots perfectly. The process to boot is the usual, turning on the computer, wait for grub to load. If I pick Windows, it goes to the splash screen (which is by the way not the usual windows 7 splash screen, it resembles more the vista splash screen, picture attached. I do not know the reason, and I have no idea if it has anything to do with the problem) About 80% of the time, it simply reboots a few seconds after the windows splash screen is shown. The reboot takes me back to the usual HP splash screen, then grub again. The other 20% of the time, it boots normally and works perfectly well.
Right after I installed ubuntu Windows was shown in grub as installed at sdb1. I updated grub and now it is shown as sda1. I already tried some grub custom entries for loading Windows differently, but they all present the same problem. Please do not discard a custom entry as a solution, as the source I used for these custom entries was not entirely trustable.
I also tried popping in the windows installation disk and trying a system repair, but apparently no errors were found.
Reinstalling grub using Ubuntu live cd (booted from a USB) did not work either...
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May 16, 2011
i installed ubuntu / under /dev/sda1, then installed Win7 under /dev/sda2, as primary. Extended partition and its logicals are for data.
After Win7 installation, i can restore the grub2 for ubuntu, with grub-install and update-grub2. It can even probe the NTFS partition under /dev/sda2. But at restart, when i tried to go to Win7 selection, it does nothing, screen goes black, blank, with a single cursor blinking.
Some data:
Ubuntu Natty 11.04
From /etc/grub/grub.cfg:
Code:
menuentry "Windows 7 (loader) (on /dev/sda2)" --class windows --class os {
insmod part_msdos
insmod ntfs
set root='(/dev/sda,msdos2)'
[Code].....
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