grub lost, please help

[Ioannis Vranos]

Better don't do what I said below.

Check the BIOS to find out the boot sequence, that is which hard disk
boots first and change accordingly.



Ioannis Vranos wrote:
> Donny George wrote:
>> windows was installed first, and ubuntu was installed after that, so no
>> issues with mbr i believe
> 
> 
> Well here is what I think will fix your issue, but I do not provide any
> guarantees that it will work in your case. Make a backup of your
> critical data before proceeding, so as to be on the safe side.
> 
> 
> Type "sudo -i" in console.
> 
> Use df -h to see the active Linux partitions. For example in my system
> they are:
> 
> root at john-desktop:~# df -h
> Filesystem            Size  Used Avail Use% Mounted on
> ==> /dev/hdc3             292G   15G  263G   6% /
> varrun                506M  136K  506M   1% /var/run
> varlock               506M     0  506M   0% /var/lock
> udev                  506M  104K  506M   1% /dev
> devshm                506M     0  506M   0% /dev/shm
> lrm                   506M   34M  472M   7%
> /lib/modules/2.6.22-14-generic/volatile
> ==> /dev/hdc2             942M   35M  860M   4% /boot
> root at john-desktop:~#
> 
> 
> 
> Use "fdisk /dev/hdc" where hdc your real Linux disk which you can find
> out from the above.  In it type "p" and press enter to see all the Linux
> partitions.
> 
> Verify that the "/boot" or "/" partition is flagged bootable. If not use
> the "a" option to make it bootable ("m" shows all the available options).
> 
> 
> If you made changes, enter "w" so as to write them and quit, else enter
> "q" to exit fdisk without saving any changes.
> 
> 
> Use "fdisk /dev/hdd" where hdd your real Windows disk. Type "p" to see
> all the partitions. Use "a" to remove the bootable flag on any partition
> that has it, in the Windows disk.
> 
> Type "w" to save the changes, and then reboot.
> 
>