Ubuntu :: Win7 - Changed Partition Flag To Boot

Jun 2, 2011

I just installed windows 7 and ubuntu stopped booting even though it was still there, so I thought I would just change the partition flag to boot. I found out later that I had to create a new mbr but after I changed the boot flag, windows 7 stopped booting and I tried changing it back, but it didnt work. So I was wondering if i didn't use the correct flags or is there another way to get windows 7 to boot again? I was using GParted to change the partition flags and that i am using windows 7 ultimate 64bit

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Ubuntu :: Cant Boot To Win7 From Grub / Win7 Partition Doesn't Appear?

Sep 1, 2011

i have ubuntu 10 and win 7 dual booting on one hdd, all of a sudden grub says error no such partition when i select windows at the boot menu. and i cant get to the win7 partition from ubuntu (to play music and stuff, this used to work, places, mount filesystem, 250 gigs whatever). i've tried the stuff in these links and nothing has worked so farpartition info

sudo fdisk -l /dev/sda
Device Boot Start End Blocks Id System
/dev/sda1 1 29094 233697523+ 7 HPFS/NTFS
/dev/sda2 * 29095 30401 10498477+ 83 Linux

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Ubuntu Installation :: Separate Boot Partition - Doesn't Care About The Boot Flag On The Disk

Feb 14, 2010

Ubuntu 8.04.4

Added an SSD (dev/sdc) and decided to move some less often changed directories there. Started with /usr and /boot, leaving / on a primary in the first drive, for now. All started ok, and my changed fstab mounted the right ones, and the system works.

However, grub is actually using the original /boot on / on sda1. I cannot see any way to change this. (Which makes it sorta hard to update the kernel

From grub:

Okay, since it has two choices, I tried to tell it which one to use. But, grub> root (hd2,5) does nothing.

Disk /dev/sda:

what I seem to recall, grub doesn't care about the boot flag on the disk. Nor does it care about primary vs. logical (except GNU doc says "makeactive" only works on a primary?).

The GNU doc also indicates that it looks for a directory /boot on the partition, so if you're mounting a partition as /boot, it also needs to contain a /boot directory under it. Tried that, but no change.

Is my problem the logical partition? Does that prevent "grub> root" from changing it? I'm afraid to wipe out the old /boot and find that I can't start up.

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Ubuntu :: Cannot Boot Into Win7 After Resizing Partition

Mar 11, 2010

Today I was messing around with my partitions, and I decided to shrink my main partition that had Windows on it, so that I would could have one big storage partition and then a Windows 7 one and a Ubuntu one. Well, it didn't really work so I decided just to wait for Lucid to come out and start with a fresh install. So I went into EASEUS Partition Manager and resized my main Windows 7 partition back to its normal size. It had to reboot and did its stuff, and then when I restarted my computer, grub was showing the grub rescue> thing. So I went into the Windows 7 recovery disk, and tried all the BootRec.exe options. None of those worked. So I decided to go to the extreme and just delete Ubuntu completely.

I deleted the entire partition with GParted and then resized the main partition all the way. Then I booted into a Ubuntu live usb and re-installed Ubuntu. I thought it would just reinstall Grub and I would be able to get to both Ubuntu and Windows 7. It did install Grub, but now I can only boot into Ubuntu. It's really weird, because I can boot into windows, it just says starting windows and does the loading thing. And then EASEUS Partition Manager comes and says that all resize operations were complete successfully(because I hadn't booted into windows since I resized stuff with it) and then the screen just stays black for a long time. I don't know what to do. If I wait long enough, my computer just reboots...

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Ubuntu Installation :: 9.10 And Win7 Dual Boot And Root Partition

May 11, 2010

I would like to dual boot Ubuntu and Windows 7. I have Ubuntu 9.10 Live CD and Windows 7 Pro Live CD. Ubuntu is installed but Windows 7 isn`t. I have gparted installed. I found the following directions within Ubuntu documentation.

Master Boot Record backup and re-replacement
Back-up the existing MBR, install Windows, replace your backup overwriting the Windows boot code:
Create an NTFS partition for windows (using fdisk, GPartEd or whatever tool you are familiar with)
Backup the MBR e.g. dd if=/dev/sda of=/mbr.bin bs=446 count=1
Install windows
Boot into a LiveCD
Mount your root partition in the LiveCD
Restore the MBR e.g. dd if=/media/sda/mbr.bin of=/dev/sda bs=446 count=1
Restart and Ubuntu will boot
Setup grub to boot windows

I don't want to backup the MBR and restore as listed. I would rather use the Ubuntu Live CD to reinstall the GRUB.
How do I overwrite the MBR?
Do I use gparted and change the partition?
Do I create an NTFS partition as listed above?
Or what do I need to otherwise do to boot the Windows 7 Live CD so that it will install?

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Ubuntu :: Dual Boot With Windows 7 - Cannot Resize Win7 Partition

Aug 8, 2010

Regarding the installation of ubuntu 10.0.4 on my HP pavilion DV5000 laptop.

I previously installed windows 7 in my laptop and i would like to have ubuntu and windows 7 in dual boot. in order to do that i need to free up some space to be able to install to create partitions for ubuntu and the swap even if I have 30GB of unused space.

When i launch the live cD and i reach the step 4 ubuntu is actually recognising three operating systems installed:

- windows 7 (loader) under dev/sda1 (92,86GB) NTFS
- windows NT/2000/XP (which is corresponding to my "HP recovery" partition) under dev/sda2 en FAT32 (6,2GB)
- windows XP embedded (I don't unerstand what it is) under dev/sda3 NTFS (1,1GB)

when I go to the step 6 to modify the size of sda1 to free up some space, i don't have the possibility to change it, i can read "unknown" under the used space collumn.

I also tried to resize this partition using gparted but unfortunately i had the same problem, when i select it all the options to modify it are greyed out and i can notice a key near the hard drive logo (is it locked ?).

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Ubuntu :: Dual Boot Natty/Win7 - Moving Home To Windows Partition

Jul 11, 2011

I know it is possible to move the ubuntu home directory but what is the best way to move it safely to an NTFS partition that already has valuable data in?

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Ubuntu Installation :: Installing 11.04 As Dual Boot With Win7 / Stops After Setting Partition Size

May 5, 2011

I have Windows 7 on my laptop and am attempting to install Ubuntu 11.04 from CD.I boot from the disk drive, follow the prompts and eventually get to the screen where I can set how much space I want to give to the Ubuntu partition vs the Windows partition. My hard disk is 250GB, so I reduce the Windows one to 100GB (currently has 80GB of files on it) and set the Ubuntu one to 130GB (the other 20GB is split between the two hidden Windows 7 partitions).

I then click to continue and the progress bar for the install starts up but doesn't move, it just sits at 0%. I realised that the dialogue box underneath the progress bar can still be expanded and asks me to test using -n and -s, but when I type either of these into the box and hit return, nothing happens. I have checked my download of the .iso I used using WinMD5Sum and the hash matches up. I have already tried installing from USB but this threw an error, hence using CD. My laptop is a Dell Inspiron 1546 running Win 7 Home Premium 64 bit Processor: AMD Turion X2 Dual-Core Mobile RM-75 2.20GHz

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Fedora :: Win7 Install Changed Part' To Lvm2?

Jun 1, 2010

I've done a search thru the forums on a recent headache but couldn't find anything. now we all know that windows installations knackers the grub boot-up, and it becomes modus-operandi to repair the boot loader, with a live distro. however, in my current dual boot system (vista.sp2/fedora12), i've done a clean install of windows7 over the current windows ntfs partition. as standard, the boot menu would vanish. but when i put in the live-linux cd, gparted now shows the fedora partition (sda6) as LVM2. i'm somewhat of a neophyte with linux, but fedora12, suse11.2 and ubuntu don't seem to yet support this file system. since i don't have critical data on the fedora partition yet, i usually wouldn't mind reformating this part', but the wireless chipset on my laptop cost a fortune on cups of coffee and beer to install, and in addition i used the fedora12 FEL spin and want to keep the installation intact. is there anyway to make the LVM2 indentifier back to ext3 or 4 and repair grub form there (without loosing the current partition kernal etc.)?

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Ubuntu :: HP_RECOVERY Partition Is Hidden Despite Lack Of Flag?

Jan 9, 2010

Little explanation: OEM HP pcs come with an HP_RECOVERY partition which contains an installer which will wipe the HD and install vista (shivvers) Now despite how much I looooove vista, I was wondering why the OS_TOOLS partition shows up in places and recovery doesn't... especially cause niether have a hidden flag...

(As a side note, what the hell does OS_TOOLS do? google yields no answers)

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Ubuntu Installation :: Delete The Partition With Flag Bootable?

Sep 6, 2010

Well I currently have a windows partition currently formatted as ext3 which has the partition flag bootable (It previously had Windows Vista on it). I also have a windows partition with NTFS filesystem with Windows 7 on it which is not bootable because the previously mentioned partition became formatted by me. And I also have more partitions for Ubuntu, which is currently the only OS working.

To show it visually: [URL]

So my question is can I delete the partition called "Inter" and recreate a new partition and format it again with ext3? It has the partition flag bootable, won't I loose all of the partitions this way? It's also the primary partition? Is there a big risk?

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Ubuntu Installation :: Installed After Win7 Now Win7 Wont Boot?

Apr 23, 2011

i installed ubuntu after windows 7 but now i cant boot windows 7 i tried the start up repair and I've read through some questions answered on here and int figure out the problem i don't want to uninstall ubuntu unless it's my only option

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General :: How To Set Ext3 Partition Hidden Flag

Apr 15, 2010

I have a created an ext3 partition and when i tried to set is hidden flag, there seems no effect. how to set the hidden flag of an ext3 partition?

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Ubuntu Installation :: Format Windows Partition To Be The Home Partition And Changed The Nfts To Ext

Sep 1, 2011

i have instaled ubuntu 11.04 wubi on my pc with windows 7. i installed and everything was going ok i navigate on ubuntu already. but the problems star here i went on my ubuntu to the partition section and i format my windows partion to be the home partion and changed the nfts to ext, i did the upgrades but i forgot that theyr running yet and i restart my computer when it boot again it gaves me an error:

try (0,0) : nfts5 : wubildr
try (0,1) : ext2 :

and the windows7 says that i have to instal again. so i went to another pc and i made a cd boot and a pen boot. i burned the iso (downloaded from the ubuntu oficial site the 11.04 32 bit version) image to the cd and pen drive prperly, i adjust my boot options to star from usb or cd rom and nothing im struck.

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Ubuntu :: Can't Boot Except With Noacpi Flag

Dec 18, 2010

yesterday ubuntu 10.04 hanged so i restarted it and i wasnt able to boot again all what i get is a blank screen with a blinking cursor... also windows7 dont boot (hangs during loading) after some googling i was able to boot only in linux by setting the noacpi flag during booting in grub but there was no internet connection (wired connection) i guess that noacpi is the reason ??

what i have tried :livecd: doesnt boot except with the noacpi flag and no internet connection reinstalling grub : doesnt solve the problem replace the power supply : nothing differ

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General :: Necessary To Set Boot Flag?

Jan 24, 2011

In another forum (I each day visit a lot of them) a user was stating that you need to set a boot flag to make the root partition bootable, if you create partitions with GParted in order to install a Linux with GRUB2. Another was suggesting that, if you install Linux with GRUB2, the installer automatically sets a boot flag to the root partition to make it bootable (I don't remember the names). I neither believe the first nor the second thesis and I'm hoping that in this excellent forum some Gurus not only are saying I'm right but also give a comprehensive answer.

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OpenSUSE Install :: GRUB Chainloading Removed Boot-flag

Dec 13, 2009

I had my BIOS complaing that there were no OS. (worked since releaseday of 11.2).

partition setup:

sda1 : primary : swap
sda2 : primary : ext3 : Kubuntu
sda3 : primary : ext3 : opensuse (flagged as bootable)
sda5 : logical
sda6 : logical

opensuses GRUB is primary and Kubuntus is chainloaded.

The problem occurred after I tried to boot kubuntu for the first time since I installed opensuse. Kubuntu didn't boot. so I probably set up chainloading wrong. No big deal, this I can fix.

The big problem was that after trying to boot Kubuntu no OS was marked as "Boot" in MBR. This is VERY strange. somehow the boot-flag is removed!

After setting the boot-flag (with a live-CD) everything works again. I can reproduce this.

I've tried to find answers but could'nt find any.

Is GRUB supposed to remove the boot-flag when chainloading? have I found a bug?

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General :: Simple Boot Flag Value 0x5 Read From CMOS RAM Invalid

Apr 3, 2010

Searching syslog to diagnose other problems I encountered this line. As near as I can tell it has nothing to do with any problem I have.

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Ubuntu :: Changed Partition Label, Now Can't Log In?

Apr 10, 2010

I may have sabotaged my installation beyond repair, but I am nourishing a cautious optimism, as justified below, and would warmly welcome any ideas.Here's the scoop:The harddrive on my Dell Latitude is divided into a number of partitions; I used to run a Windows-Linux dual boot, so I had some EXT3, some NTFS, and some FAT32 partitions, but a few months ago decided to eliminate the windows, and thus converted the ntfs partition into a linux partition. I've been using this newly converted partition for temporary backups; it held no important data. This, at least, was my supposition: yesterday, I decided to change the label on this partition (cosmetic motives), and after cavalierly making the change with GPARTED, I now can't log in.

A few clues about what could be going on:1. The system boots up fine; when I get to the login screen, however, and enter my name and password, I get the following error message: "GDM could not write to your authorization file. This could mean that you are out of disk space or that your home directory could not be opened for writing. in any case, it is not possible to log in. Please contact your system administrator."2. All my files are intact (following some advice I saw posted on the forums, I hit cnt + alt + F1 and was able to log in) and as far as I can tell, I am not out of disk space. This gives me hope that maybe I can restore the system without totally reinstalling Ubuntu.That is about all I know. If anyone has any thoughts as to what might be going on, I would be very happy to hear them.

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Ubuntu :: MBR Partition Table Changed With 10.04.1LTS Install?

Jan 13, 2011

I have never seen this before wit any previous versions of ubuntu - wondering if anyone else has seen it or can explain it. The break down of the partition table is being viewed with Ranish Partition v2.43 It's old program, but it has been really handy.

What is happening is: Prior to the install of ubuntu on the 3rd Primary partition, you'll see that the 4th partition (which has a couple of logical partitions in it) starts at: (14,380 - 0 - 1) ===> Cylinder - Head - Sector After the installation of Ubuntu 10.04.1 LTS it shows a Non-conventional start point of: (14,380 - 0 - 62) =====> Cylinder - Head - Sector. An unused is left between the 3rd and 4th Primary partition.

This is not a big deal - just unusual (IMO) With the same partition layout (pre install) It doesn't matter if I install ubuntu on the 1st, 2nd, or 3rd primary partition. The 4th one ALWAYS gets changed this way.

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Ubuntu Installation :: Changed Partition Name On Windows Now Nothing Works

Apr 29, 2011

As the title says I have done the stupid mistake of changing the name of two partitions (the main for the W7 and another just for documents), I did not change the name of the Ubuntu 11 partition. I used the Computer Management from windows to do the changing. Now nothing works, it does not find the Grub to initiate or a not even gives me the menu to choose the windows. When you change the name does it change the drive letter? Couldn't understand why this happen.

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Ubuntu Networking :: Using 9.10 On A Laptop That Has Win7 In Another Partition

Feb 26, 2010

I'm using 9.10 on a laptop that has Win7 in another partition. Within Win7 I get strong full bars for the wifi signal strength. On the same laptop in the same location, I get only 2 bars (low) wifi signal strength when I'm in Ubuntu 9.10.

I'm using the wifi transceiver built into my Acer Aspire 5732Z laptop.

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Ubuntu Installation :: Format The Partition Which Contains Win7?

Mar 5, 2010

So, I just installed Ubuntu 9.10 in a different disk partition than where Windows 7 is currently installed. So, can I just go ahead and format the partition which contains Win7? Won't that compromise Ubuntu's integrity?

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Ubuntu Installation :: Partition HD To Run Kubuntu With Win7

Dec 2, 2010

I'm pretty new to linux and everything, and I was wonder how I could partition my hard drive on my laptop so that I don't loose any of my data and so that I can run Kubuntu along side of windows 7.

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Fedora Installation :: Boot Any Current Kernel Without The Nolapic Flag On ICH8-based Intel T7300 Systems?

Jun 16, 2009

Is there a way to boot any current kernel without the nolapic flag on ICH8-based intel T7300 systems? This system works fine with the last 2.26 kernel from FC8, but due to EOL of the security updates I tried to install FC11 and FC10. The first sign of trouble is that their installation only works with acpi=off or nolapic options. As those options disable either fan-control or the second cpu-core I consider them undesirable. Is there a recent correctly working kernel available? Or do I have to downgrade to a distribution that uses a 2.26 kernel?

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General :: Swap Partition UUID Changed - What To Do

Jun 5, 2010

Someone (not me) recently installed some new distros on my HD. It seems that during the installation my swap partition was reformatted and a new UUID was assigned to it. I have the following questions:

1. I know that I have to change the swap partition UUID in /etc/fstab and /boot/grub/menu.lst of the affected distros. Is there anything else that needs to be changed?
2. I presume a similar change has to be made to the Grub 2 configuration, for those distros that use Grub 2. I have no experience using Grub 2 so how do I make the change or where can I find instructions to do it?

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Ubuntu Installation :: Dual Boot With Win7 - Bitlocker And TPM - Without The Usb-stick The Pc Won't Boot

Oct 18, 2010

I have searched and read threads about the Bitlocker, grub and TPM issues that might show up, but I can't draw any conclusions as some information contradict each other. To make sure I don't screw up my pc as thought I need to make a new post.

At work I'm supposed to run Windows 7 and encrypt the win-partition with Bitlocker. I have installed Windows, turned on the encryption and it ties into the TPM. But as I am moving over to the *nix department I want to run Ubuntu as dual boot to check everything rusn fine with all the systems I need. Before I installed Windows I partioned the disk:

1,5 GB for system/bitlocker requirement
147 GB for Windows, C:
85 GB which is empty where I intend to install Ubuntu (not formated yet)

I boot into Windows with my bitlocker/TPM key on an USB-stick. Without the usb-stick the pc won't boot. Now, before I try to install Ubuntu I want to make sure to do it the right so I don't mess up the Windows installation or won't be able to boot the pc at all.

There seem to be several "schools" to this. Some suggest I should have installed Ubuntu first, then Windows and then encrypt. Some say, no worries just fire away and install since you are not planning to read the windows-partition from Ubuntu. Or an alternative, install but make sure to deactive the encryption during installation. Some say, install but make sure grub is installed in (multiple choices) location.

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Ubuntu :: Making Win7 To Recognize EXT4 Partition?

May 16, 2010

How do you make Windows 7 see my Linux partition in it. I want to run some mp3s and avi's from Windows 7.

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Ubuntu Installation :: Fedora 13 Or 10.04 On The Partition After Win7 Install

Jul 5, 2010

I just installed win 7 and now can't install fedira 13 on the partition that i made for it on the same drive. The problem is that after installation of win 7 i lost the ability to boot form cd. In bios i still have cd set up to boot first and drive second, but win 7 did something that overrides bios set up. I even tried Esc for boot menu, then i select to boot form cd, but it still boots in windows.

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Ubuntu :: No More Win7 After Deleting Partition - Grub Rescue

Oct 16, 2010

I have a major problem with Windows 7's MBR. I deleted Ubuntu's partition last night, and when I restarted, I saw:
error: no such partition
grub rescue>
I looked it up, put some code into a LiveCD terminal, and I thought it worked. But now, I says that I definitely need to put in a Windows 7 CD and do that MBR fix method. I did not own a Windows 7 CD; my laptop came with it pre-installed, and I have no recovery partition anymore.

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