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Old 02-19-2012, 09:03 AM   #1
nullne
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Registered: Feb 2012
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seems to be the problem of grub


At the very begining, i want to install dual booting,but failed. then...
when booting it appears :
error:invalid arch independent elf magic
grub rescue<

apparently,i don't have any idea of it .
then i try some methods found online
1)
type followings behind rescue:
set root=(hd0,2)
set prefix=(hd0,2)/root/grub
insmod normal

then appears invalid arch independent elf magic

2)ls (hd0,2)
appeared bad filenames
ls (hd0,*) [*stands for 1,3,4,5,]
appeared unknown filesystem


3) then i try


start ubuntu using usb system

mount /dev/sda1 /mnt/
grub-install --root-directory=/mnt /dev/sda

appeared
/usr/sbin/grub-setup: warn: This GPT partition label has no BIOS Boot Partition; embedding won't be possible!.
/usr/sbin/grub-setup: warn: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and their use is discouraged..
/usr/sbin/grub-setup: error: will not proceed with blocklists.


certainly i don't understand it

go on trying

mount /dev/sda /mnt
mount --bind /dev /mnt/dev
sudo chroot /mnt

apeared:chroot: failed to run command `/bin/bash': No such file or directory



finally, i really almost die.


tutorial from:http://www.linuxidc.com/Linux/2010-02/24441.html

Last edited by nullne; 02-20-2012 at 07:03 AM.
 
Old 02-19-2012, 05:30 PM   #2
smallpond
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http://ubuntuforums.org/archive/inde...t-1813994.html

This thread says maybe turning off EFI boot in the BIOS might help.
 
Old 02-20-2012, 05:48 AM   #3
nullne
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waiting online for some help
 
Old 02-20-2012, 06:24 AM   #4
nullne
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help
help
help
help
help
help
help
help
help
 
Old 02-20-2012, 06:33 AM   #5
adilbhilai
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do you have different partition for "/" & "/boot"

if "YES" then
3) then try
start ubuntu using usb system
#mount /dev/sda1 /mnt

#mount /dev/sda3 /mnt/boot ( if /dev/sda3 is your boot partition) <=======

#grub-install --root-directory=/mnt /dev/sda

Last edited by adilbhilai; 02-20-2012 at 06:50 AM.
 
Old 02-20-2012, 06:51 AM   #6
nullne
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Quote:
Originally Posted by adilbhilai View Post
do you have different partition for "/" & "/boot"

if "YES" then
3) then try
start ubuntu using usb system
#mount /dev/sda1 /mnt

#mount /dev/sda3 /mnt/boot ( if /dev/sda3 is your boot partition) <=======

#grub-install --root-directory=/mnt /dev/sda
what should i do next?

restart?
 
Old 02-20-2012, 06:56 AM   #7
nullne
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Quote:
Originally Posted by adilbhilai View Post
do you have different partition for "/" & "/boot"

if "YES" then
3) then try
start ubuntu using usb system
#mount /dev/sda1 /mnt

#mount /dev/sda3 /mnt/boot ( if /dev/sda3 is your boot partition) <=======

#grub-install --root-directory=/mnt /dev/sda
seems doesn't work:
grub-install --root-directory=/mnt /dev/sda
/usr/sbin/grub-setup: warn: This GPT partition label has no BIOS Boot Partition; embedding won't be possible!.
/usr/sbin/grub-setup: warn: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and their use is discouraged..
/usr/sbin/grub-setup: error: will not proceed with blocklists.


what shall i do?
 
Old 02-20-2012, 09:57 AM   #8
nullne
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Quote:
Originally Posted by smallpond View Post
http://ubuntuforums.org/archive/inde...t-1813994.html

This thread says maybe turning off EFI boot in the BIOS might help.

how to ?
i am a fresh man
 
Old 02-20-2012, 10:05 AM   #9
brianL
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Try rebooting and hit F2 to get to the BIOS settings.
 
Old 02-20-2012, 10:52 AM   #10
nullne
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Quote:
Originally Posted by brianL View Post
Try rebooting and hit F2 to get to the BIOS settings.
then ?
 
Old 02-20-2012, 11:37 AM   #11
brianL
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Quote:
Originally Posted by smallpond View Post
http://ubuntuforums.org/archive/inde...t-1813994.html

This thread says maybe turning off EFI boot in the BIOS might help.
Do what smallpond suggests.
 
Old 02-22-2012, 04:59 AM   #12
nullne
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all of that didn't work!
 
  


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