Ubuntu Installation :: Grub2 Can't Load Window 7 After Recovered Grub2 Using Live Cd To Boot Windows 7

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


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Ubuntu Installation :: Grub2 Dosn't Save Windows As Last Selected + Boot Into Cdrom From Grub2?

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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Fedora :: Load Grub2 From Grub4dos / Load Directly Grub2 Core Without Passing By Bootstriping Code?

Jan 24, 2011

I want to load grub2 from grub4dos.I want to load directly the grub2 core. I know how to load first 512 bytes from some patition by chainloader and load grub2, but what I need is to load directly grub2 core without passing by bootstriping code (first 512 bytes).So, my first boot manager is grub4dos, then I can load grub2 and later I load Ubuntu. But I think I have to edit --set-root
What I dont know is how.

In hdd 0,7 (sda8) I have Ubuntu 10.10 and /boot/grub/core.img is in sda8 (hd0.7)

I tried this way:

title grub2
find --set-root /boot/grub/core.img
kernel /boot/grub/core.img

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Installation :: Configure Grub2 To Load Both OSes In Dual Boot Mode

Oct 1, 2010

I have two hard disks sda and sdb. I have Windows XP installed on sda2 and Ubuntu 10.04 on sdb5. When I installed Windows XP, Ubuntu stopped booting. I tried to repair grub2 from a Live CD unsuccessfully. Now I have completely messed up my MBR of both HDDs. I just want to configure grub2 to load both OSes in dual boot mode.

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Debian Installation :: Get Grub2 To Boot A Live System From Hard Disk

May 8, 2011

I have been frustrated attempting to get Grub2 to boot a Debian Live system from hard disk. Have set aside a 4gb partition /dev/sda1 to contain the Debian Live and some other recovery tools. I actually have them all working from a 4gb USB stick successfully, but getting it to work on my HDD has proved challenging. On USB, I have PartedMagic, Gparted, Grml, and of course my standard 6.01 Squeeze. I have also managed to get the Debian Live booting from that USB stick. Very slick.

However, I can NOT get Debian Live to boot from my HDD; altho all of the others above boot fine. Have tried it two ways - one using an iSO image, which is how it is done on my USB stick. The other attempt is to copy the entire contents of the ISO to a directory.

Here are my directory structures:

debian_live_gnome_squeeze_i386- contains the following: debian-live-6.0.1-i386-gnome-desktop.iso initrd.gz initrd.img vmlinuz which is how it is laid out on my USB stick debian_live - contains the files from the ISO image The error I get is something like "panic unable to find live filesystem" My grub.cfg snippet for the two methods I have tried - the 2nd menuentry is similar to how it works on the USB stick.

menuentry "Debian 6.01 Live (on /dev/sda1)" {
insmod part_msdos
insmod ext2
set root=(hd0,msdos1)


Probly don't really need to get it working since PartedMagic can do almost everything I need for recovery and I can use the USB for reinstall or whatever else.

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Ubuntu Installation :: Grub2 Won't Boot The Windows

May 3, 2010

I have a asus eeepc 1101ha. With Karmic,it would boot into w7 without problems.I installed Lucid on another partition,and after that the w7 grub entry would leave me with a blinking cursor in the left top corner, and hang.

I booted with the w7 dvd, ran bootrec.exe to restore mbr and bootmgr, and the booted into w7 to confirm. It was working. Then I booted with the live dvd, mounted the lucid partition, and installed grub. Now choosing the w7 entry would ask for the boot media, and pressing any key would bring me back to the grub menu. Lucid and karmic boot without problems.

Installing grub from karmic now gave the same error. Running update-grub didn't change anything.As I had to use w7, I booted again from the dvd, and restored again mbr and bootmgr. Booted into w7, used it, then once again to the live cd, to reinstall grub, and once again the w7 entry in grub makes grub ask for the boot media.I've attached my boot info script.Ah, I also played with the bootable flag for the /dev/sda1 partition, but it didn't change anything.

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Ubuntu Installation :: Grub2 Cannot Boot Windows 7?

Dec 10, 2010

menuentry "Windows 7 (loader) (on /dev/sda1)" {
insmod part_msdos
insmod ntfs
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set 3850d16450d12980
chainloader +1

This is automaticly genarated after installed ubuntu 10.10. It shows black screen with a flashing cursor after press enter. Grub 0.97 also does this with:

title win7
fallback 2
find --set-root --ignore-floppies /bootmgr
chainloader /bootmgr
savedefault --wait=2

But the wierd thing is my usb stick can boot windows 7 succesfully with the same configuration. Whats wrong with that? How can do with grub.cfg?

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Ubuntu Installation :: Grub2 Won't Boot Windows Xp

Jan 3, 2011

ok so sounds like everyone elses issue that i`ve seen on here but i had it all working properly until i booted into ubuntu and updated grub somehow and when it told me to reboot all i got was a grub rescue error.

Now i got ubuntu 10.10 installed to try and fix the grub 2 error but now cant get it to boot windows from the menu.

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Ubuntu :: Grub2 Won't Load Windows?

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:


menuentry "Windows 7 (loader) (on /dev/sda2)" --class windows --class os {
insmod part_msdos
insmod ntfs
set root='(/dev/sda,msdos2)'


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Ubuntu Installation :: 10.04 / Windows XP Dual Boot (using Grub2)?

May 12, 2010

I recently installed Ubuntu 10.04 on my dual boot system and noticed that my boot options were changed. I typically have Windows XP as the default OS. Here are the steps that worked for me to get Windows XP as the default boot using Grub2.During my initial Window XP install I had partitioned my hard drive into 3 partitions:

Partition 1: NTFS format (Windows XP installation) in Linux it is called /dev/sda1
Partition 2: NTFS format (Data for Windows XP) in Linux is is called /dev/sda5


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Ubuntu Installation :: Fixing Grub2 Boot Changes To Windows Drive?

May 3, 2010

I just installed Ubuntu 10.04 LTS on an external hard drive (USB connected) and I can no longer boot my Windows XP(SP3) from my internal C Drive. Grub gives me the list of boot choices, but when I choose the C drive, I just get these error messages:

For Realtek RTL8139(X)/8130/810X PCI fast ethernet controller v2.13 (020326)
PXE-E53: No boot filename received

(The version of Grub is 1.98-lubuntu5). I don't have a Windows System CD to boot from, but is there something I can do from within Ubuntu itself?

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Ubuntu Installation :: Fix The Process After Choosing Windows Boot In Grub2?

Jun 9, 2010

I have a dell Inspiron 5150. I had perfect windows XP home installation, and decided to dual boot with Ubunutu 10.04. I copied the whole C:/ to external drive, installed ubuntu, installed windows, repaired Grub2, but now, Grub2 looks something like this.


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Ubuntu Installation :: Windows Boot Loader And GRUB2 On Partitions

Aug 20, 2010

[URL](where loading into Windows corrupts the MBR). None of the solutions in the bug thread work for me, however--I'm on a Dell system (so it's not HP tools) and I'm not running PC Angel or any similar service (I checked). I assume it is related to the Dell recovery partition, though my old laptop from Dell didn't have this problem even though it also had a recovery partition.

However, before I had partitioned and set up Ubuntu on my new laptop, I installed Wubi (for transferring over the files from my old laptop because I didn't have time to do a full install and deal with problems like this one). Wubi worked fine using the Windows Boot Loader. I understand that WBL isn't capable of loading Linux on its own, which is why I was wondering if it was possible to have GRUB installed on a separate boot partition (not the MBR) and loaded from Windows Boot Loader. All of the information I could find on it didn't work with Windows 7--but again, I know Wubi was capable of doing it. how to set this configuration up?

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Ubuntu Installation :: Grub2 Onto /boot In Prep For A Windows Upgrade?

Apr 9, 2011

I've currently got a dual-boot setup with Vista and 10.10 (using grub2 on MBR).I'm about to install Windows 7 and would like for a change to use the Windows bootloader. I currently have a separate /boot partition and believe I can install grub2 there so that I can chainload it using EasyBCD.

I'd like to do this from my running system as I don't have a spare USB drive right now. confirm the command I should use baring in mind the separate /boot.If I have to wait and do it from the Live CD - is the command to use any different? FYI here is my current layout:

Filesystem 1K-blocks Used Available Use% Mounted on
37735960 15719388 20099644 44% /
none 1023876 316 1023560 1% /dev


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Ubuntu Installation :: Windows 7 Shows In GRUB2 Menu But Won't Boot?

Apr 13, 2011

I have two hard drives - (1) 80GB (2) 500GB: the 1st HD has 3 partitions (in that order) - Windows 7, Ubuntu 10.10 & Swap. the 2nd HD is for storage only, and has 2 partitions.

I did the following - I installed Windows 7 on the first partition of the 1st HD, it booted just fine. Then I installed Ubuntu 10.10 on the second partition of the 1st HD.

Windows 7 shows in the GRUB menu alongside with Ubuntu. Ubuntu boots just fine, but when I select Windows it simply restarts the computer and the GRUB menu shows again.

RESULTS.txt of Boot Info Script:

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 #3 for (,msdos3)/boot/grub.


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Ubuntu Installation :: 11.4 - Grub2 Kills Windows Boot Sector

Apr 30, 2011

Been away from linux for a few years thaught id come back and give it a try again. I have Win7 on sda and installed 11.4 Ubuntu on sdb. Grub2 Over wrote the boot sector for windows so windows wouldnt show in the boot menu. I repaired that after some research and then tried it again with 10.4 LTS version of Ubuntu. Same thing. Now I've fixed windows boot sector a second time and im ready for round 3. Any hints on how to get grub2 to boot both OS's? Ubuntu 10.4 is still on sdb I think I should just need to re-install grub2 But how to do it without Killing the windows boot sector?

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Ubuntu Installation :: Grub2 Cannot Boot Windows 7 (error 0xc0000225)

Jul 2, 2011

I have Lucid installed on a computer. I added a second drive, installed Windows 7. Windows 7 boots fine if it is the only drive connected, or it is selected as the boot drive in the BIOS. I booted into Lucid, ran 'sudo update-grub' and it found the Windows 7 install on the second disk. When I try to use that Grub entry to boot Windows 7, I get this error screen:


Windows Boot Manager Windows failed to start. A recent hardware or software change might be the cause. To fix the problem:

1. Insert your Windows installation disk and restart your computer.
2. Choose your language settings, and then click "Next."
3. Click "Repair your computer."

If you do not have this disk, contact your system administrator or computer manufacturer for assistance.

File: BootBCD
Status: 0xc0000225
Info: An error occurred while attempting to read the boot configuration data.

I seem to remember in the Grub 1.x days there was a map command that would 'swap' the drives so Windows would think it was the boot drive, but the Grub2 autogenerated command doesn't have anything like that.how to get Grub2 to boot Windows 7?

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Ubuntu Installation :: Windows 7 Dual Boot Grub2 Doesn't Install

Apr 26, 2010

I've just installed the 64 bit edition of 9.10 on my workstation. My raid drivers worked without any custom installation, which is very impressive! I am however having a problem installing grub2. I boot to the live CD, run the install process, resize and partition my free space as an ext4 primary partition with mount point /. Everything installs except grub, so I'm always booting in to windows.This seems to be a bit off as I've never had this occur with dual booting before.

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Ubuntu Installation :: Unable To Boot Windows XP After Upgrade To Grub2 From Grub?

Jul 24, 2010

yestoday,after I upgrade,unable to boot windows xp. if I use grub ,windows xp can boot up.but now I want to use grub2, boot info script's results.txt is at below.

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 #6 for /boot/grub.
File system: vfat
Boot sector type: Fat16
Boot sector info: No errors found in the Boot Parameter Block.


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Ubuntu :: Grub2 \ When Go Boot From A DVD It Says To Load The Kernel First?

Mar 25, 2010

On Grub legacy i used a menu entry to boot from a DVD since the bios on my pc doesn't recognize my DVD burner.... So before on the old grub i can just added this menu entry and it all worked...title DVDroot(hd0,0)kernel /boot/grub/memdisk.bininitrdboot/grub/sbootmgr.dskthen grub 2 came along and that all changed..on the 40_custom file i added this

menuentry "Boot DVD Drive" {
set root=(hd0,0)
linux /boot/grub/memdisk.bin


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Ubuntu :: Grub2 Boot Floppy To Load From USB?

Sep 20, 2010

I have a number of legacy pcs upon which I would like to install Lubuntu. None have CDROM drives, but they do have floppy drives. None can natively boot from USB devices. My goal is to boot into Grub2 from a floppy with USB support, but I'm having trouble making the floppy. I've seen recommended a few times a command string something like

grub-mkrescue --overlay=/boot/grub --image-type=floppy GRUB2.img
dd if=GRUB2.img of=/dev/fd0

But when I go to do this, grub-mkrescue has no --overlay nor --image-type option. My man grub-mkrescue page only lists --modules and --output as options. I have managed to make a floppy using the commands

grub-mkrescue --output=FILE
dd if=FILE of=/dev/fd0

This disk does boot into Grub2. The problem with this is that I need to add other files to the disk to have USB functionality in Grub2, but this process writes to the floppy in iso9660 format, which mounts as read-only. I have tried to go this route using the mount -o remount option to try to make the fs rewritable, but I also haven't been successful with that (and I think my limited knowledge is restricting me here).

Maybe I can add the correct files to the file output by grub-mkrescue --output before I write it to the floppy, but I also don't know how to do that.

Basically, I'm a little burned out and looking for some direction. Am I going about this wrong? When I try and follow other people's guides, they seem to have options available to them that I don't have. I'm doing all this from my Lubuntu 10.04 live CD, but have found similar things on my regular Ubuntu 10.04 install as well.

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Ubuntu Installation :: GRUB2 Won't Load / What To Do?

May 2, 2010

So I recently tried to install Ubuntu Lucid in the following configuration code...

The installation procedure went fine, and it said it had successfully installed GRUB2. But then, when I tried to boot up the fresh system, GRUB2 didn't even load!!

It's not giving me any GRUB errors, or giving me a 'grub recovery>' prompt, so I suspect that it really isn't even booting into GRUB.

I tried booting into the LiveCD, and installing grub to BOTH /dev/sda and /dev/sdb, but it still does not work, and I am at a loss.

Has anybody else had this problem?

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Ubuntu Installation :: GRUB2 Fails To Load?

Aug 31, 2010

I am a long time ubuntu user (4.10) and have had a fair bit of experience installing ubuntu and the many mishaps along the way.

So after having no internet for a year I decide to try the new 10.04 flavour by ordering the cd from the site.

Installation went well, no hiccups. But when I restarted the comp it went straight to Xp, so I thought I'll just use the SGD to boot the partion anyway and fix this small problem later.

After SGD confused sda with sdb, I figured out that GRUB2 is now the standard boot loader.

So thats where I am lost, I have searched the forums quickly (25 pages or so..) and realise that I am not going to fix this easily or by trial and error.

here's some info

Ubuntu 10.04 LTS
Intel P4 3.0
1.5 GB RAM


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Ubuntu Installation :: Use Grub2 To Have Live Usb That Retains Changes?

May 22, 2010

I have used grub2 to be able to boot multiple iso files on a flash drive as per this thread:

Is there any way to add a persistent installation of 10.04 to this flash drive, similar to what the startup disc creator application can do? I'd like to be able to have the clean installation and the persistent installation plus the other tools that I have on the flash drive. It's an 8 gb drive so there is ample room.

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Ubuntu Installation :: Grub2 On Usb Stick Don't Load Grub.cfg

Feb 7, 2010

I' ve tried to do a iso multiboot 1gb pen stick with grub2 bootloader. I 've already readed all is it possible finding on the WWW but there are some problems i don't understand how to solve.

This is my sitution:

-koala 32bit installed on my pc with grub2 bootloader

-1gb pendrive parted as follow:

In the first fat16 partition there is installed grub2. On the second ext2 one there are iso files.

This is what i've do to install grub2 on my pen:

So i've created /boot/grub/grub.cfg file with the follow lines:

When i reboot by the pen stick, grub load up to it says me:

It seems not reding /boot/grub/grub.cfg

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Ubuntu Installation :: GRUB2: Error: You Need To Load The Kernel First

Mar 7, 2010

I've been using Ubuntu since 7.10 Gutsy Gibbon. I only recently fully switched to Linux OS's, and Ubuntu is now my primary. I currently have 9.10 installed. CURRENTLY I also have Backtrack 4, and Fedora 12 (Ugh!).Previously, I thought something was wrong with my my filesystem in Ubuntu 9.10, and after an upgrade of the linux kernel, I started to get Error: You need to load the Kernel First. That's where my problems started. I had upgraded to 9.10 from 9.04 and I still had Grub Legacy, so I went through hoops to try and get it to work, but eventually everything just kind of broke, and I completely wiped off my partitions on it and started fresh installs of all 3.

And now that the new linux kernel is released, 2.6.31-20 generic (I think... That's what the highest number on a file I can find in /boot is)I went through a few more hoops and ladders and tried to get it to work, but to no avail. I've looked the internet for a solution to this and tried just about everything but there is no unified answer, and I've seen on Launchpad there are alot of bugs that are classified as 'Fixed', but the problem still remains.I took out the 'quiet splash' part in the GRUB2 line for the newest kernel and it didn't do anything. It only changed it to "Error: Couldn't find file".This is the top two kernels (Main and Recovery for the new, and Main and Recovery for the previous working one)


### BEGIN /etc/grub.d/10_linux ###
menuentry "Ubuntu, Linux 2.6.31-20-generic" {


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Ubuntu Installation :: Tricking Old GRUB To Load GRUB2

Jun 8, 2010

So I have an MBR that is Grub legacy,(from HardyHeron) and I cannot edit/upgrade this MBR. (I won't get into the reasons, other than I will mention SafeBoot).

I have a new encrypted LucidLynx Linux installation on partition 4 and an unencrypted /boot partition on partition #3.

When I boot up, I get the "Error 15" Grub error, which is expected as Grub legacy is looking for /boot/grub/stage2 or something like that and /boot/grub/stage2 does not exist in my GRUB2 installation in /boot/grub.

I thought if I could make a link from the GRUB2 binary of interest to /boot/grub/stage2, then maybe the GRUB legacy would be tricked into loading the GRUB2 binary.

what is the binary of interest in the GRUB2 installation that is the main binary?

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Ubuntu :: New Triple-booted Installation Doesn't Load Grub2

Aug 5, 2011

I'm attempting to triple boot Windows 7, Mac OS X, and Ubuntu 11.04 on non-Mac hardware. Chameleon is my primary bootloader, which is supposed to chainboot into grub2, but all I get when I choose the Linux boot option is a black screen with blinking cursor. If I try to boot Ubuntu while holding shift, I get the word GRUB, followed by a space and a blinking cursor. grub2 is installed to the Ubuntu partition, and attempts to reinstall it there or to the MBR from a LiveCD result in errors. The MBR and GPT partition tables are synchronized. How do I go about making Ubuntu bootable, without breaking my other two operating systems (or at least leaving them recoverable)?

I built a new desktop computer.The goal was to triple boot the system with Windows 7, Mac OS X Snow Leopard, and Ubuntu 11.04. This endeavor has been significantly more complicated than I originally expected, but with the of a forum-goer at InsanelyMac.com, I've managed to get pretty far with a complex installation process. I've attempted to get Ubuntu running using two methods, neither of them achieving what I'm hoping. Both methods follow.

In the first method, I install Mac OS X using a specially designed install CD that boots into the Snow Leopard installation DVD. The disk is partitioned to have a FAT partition, followed by a Mac OS X journaled partition, ending in a second FAT partition. Mac OS is then installed to the second partition. The Windows boot CD is then used to format the first FAT partition as NTFS, which Windows 7 is then installed to.

As I'm sure you know, this installs Windows Boot Manager. Then I boot into OS X using the boot CD mentioned earlier, and install Chameleon, a bootloader specifically designed for Hackintosh systems, and (supposedly) capable of booting into all three operating systems I'm trying to work with. Finally, I divide and reformat the remaining FAT partition into an ext4 partition and a swap partition, and install Ubuntu to that ext4 partition, with the bootloader installed to the same partition. This will break the Windows bootloader, as now the MBR and GPT tables are no longer syncronized. Ubuntu is also unbootable; attempting to chainload into grub2 leaves me at a black screen with a blinking cursor. The former problem is solved by booting into a LiveCD and installing and running gptsync. Windows is now bootable, but Ubuntu remains in 'limbo'.

The second method I attempted is very similar, but deviates in the last few steps. After installing Windows, I instead install Ubuntu 10.04 LTS, as I thought I might have fewer bootloader issues with that distribution (don't ask why; it was a lucky hunch).This breaks Windows Boot Manager, but this time grub2 throws me into the grub> prompt.I can boot into Ubuntu just fine using the set root/linux/initrd/boot commands, but my motherboard's Ethernet port is not detected by the OS, so I can't directly download and run gptsync. Once I do manage to run it, though, Windows is then also repaired.

Unfortunately, since I can't access the Internet, I can't do a distribution upgrade that way. Trying to upgrade from the recent release's LiveCD...well...doesn't upgrade, just overwrites. So I get the same black screen with blinking cursor problem. I've tried reinstalling grub2 through a LiveCD using grub-install both using the --root-directory flag and the chroot method.

System specifications:
Intel Core i7 (LGA1155)


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Ubuntu Installation :: 10.04 Live CD Will Not Letting To Choose Partition For GRUB2

May 3, 2010

drive is as follows:

NTFS Partition (Storage)
NTFS Partition (Win7)

I am trying to put GRUB2 on the Ubuntu partition, but it will only let me pick the first two. If I pick the Ubuntu partition in the last dialog bix, it is listed as /dev/sda-1 I also have no idea why is says "-1", because the first two are fine at 1 and 2 respectively.

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Ubuntu :: Grub2 Won't Boot Windows 7?

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:

menuentry "Microsoft Windows 7 Ultimate (on /dev/sdb1)" {
insmod ntfs


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