Grub uninstall by Windows 7 on dual OS

Tom H tomh0665 at gmail.com
Fri May 21 23:57:45 UTC 2010


On Fri, May 21, 2010 at 7:02 PM, NoOp <glgxg at sbcglobal.net> wrote:
> On 05/21/2010 10:08 AM, Tom H wrote:
> ....
>>>
>>> The stages 1, 1.5, and 2 files are grub1's; grub2 doesn't have them.
>>> It has boot.img and core.img and core.img is installed in the same
>>> disk area as stage 1.5.
>>>
>>> The Ubuntu Forums link points to a Debian bug report where the
>>> suggested solution is:
>>> aptitude install mbr (it may already be installed on Lucid)
>>> install-mbr /dev/sda
>>> grub-install --force /dev/sda1
>>
>> Just remembered one more step:
>> The Windows partition must not be marked as bootable. It is the
>> partition with the kernel that must be marked bootable; so either / or
>> /boot if it is mounted separately.
>>
>
> I've a multiboot Win7/Ubuntu laptop. Looking at the /dev/sda in Gparted
> Note sure if this will help, but I see the following:
>
> Partition       File System     Mount Point     Label    Size   Flags
> unallocated     unallocated                              1.00MiB
> /dev/sda1       ntfs                            SYSTEM   66.59Mib boot
> /dev/sda2       ntfs                            Win7     46.40Gib
> /dev/sda4       extended                                 188.33Gib
>  /dev/sda5      ext4                            karmic   157.91Gib
>  /dev/sda7      ext4            /               lucid    24.86Gib
>  /dev/sda6      linux-swap                               5.56Gib
> /dev/sda3       ntfs                            RECOVERY 11.91Gib
> unallocated                                              1.31Mib
>
> Note: I skipped the Used and Unused columns.

Which proves that it is not Win7 but, as one of the posts in the links
emailed earlier, Dell's recovery/security software or Microsoft's
security software.




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