The best way to proceed is creating a new boot entry in /etc/grub.d/40_custom, editing it with root privileges: sudo gedit /etc/grub.d/40_custom So before doing this, you really should create a backup of your Ubuntu, or of the MBR atleast! So to boot Windows i think you must boot the recovery partition ( /dev/sda3).īut if i'm not wrong, booting from your recovery partition may reset the MBR, and so replace GRUB with the Windows 7 MBR.
It seems that your Windows selected the recovery partition and used it as the boot partition, probably overwriting it (it is the only partition with the "boot" flag (line 79 of the log)). Usually Windows 7 creates two partitions during setup: a partition with the boot manager and a partition to the operating system.
I have Win7 DVD & Ubuntu live USBs with me, I am just looking for a sure shot way of fixing Win7 without any harm to my existing Ubuntu install. So reading from my boot info file, can anyone explain it to me what's messed up wrong here and what could fix it? I certainly can't afford to have my ubuntu install unbootable right now, but looking into this issue is bothering me too much. So unless I am sure what a certain tool would do, I would prefer fixing it by hand (manually editing files). Now the thing is I have read numerous links on how this could be fixed, but I don't feel comfortable without knowing what I am doing. If I select the Win7 entry on GRUB2, I get the error BOOTMGR is missing.
Today, I got to know about the Boot repair tool, so I was wondering with this tool may be I can figure out what's exactly wrong with my setup. I installed 11.10 at that point of time, but right now I am on 12.10.
I don't even remember whether I installed directly via a live usb or used wubi, sorry. I made my laptop Dell XPS 15z dual boot with Ubuntu last year, and something went wrong & BOOTMGR of my windows got fried.
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