How to restore grub in ubuntu 9.10 with wubi

**rkrinfo** · February 22nd, 2010

Hi

i hav not much experience in linux

i hav dual boot system with Windows Xp and Ubuntu 9.1 using Wubi

i have 5 partitions at one 250gb harddisk
windows is working on C:
i have ubuntu on the 5th on G: installed under windows

While i am experimenting with startupmanager i selected to show spalshscreen and restarted ubuntu

then i found a problem with grub
and i have only a terminal to enter grub commands named sh:grub:>

how can i restore the grub and boot into ubuntu

Get me out of this grub command screen

thanx in advance

**meierfra.** · February 22nd, 2010

Try this

http://sourceforge.net/apps/mediawik...lems:Wubi_9.10

If this did not cure your problem, follow these instructions to run the boot info script and post the RESULTS.txt

You can also try to boot Wubi from the grub prompt:

Code:

linux /vmlinuz root=/dev/sda6 loop=/ubuntu/disks/root.disk ro
initrd /initrd.img
boot

/dev/sda6 has be adjust. It needs to be the device name of your Wubi partition. Since you only have one hard disk, "/dev/sda" is correct and you only have to figure out the correct number.

**rkrinfo** · February 22nd, 2010

Thanks for your reply

i copied the file wubildr in to my G: drive
but i don't know what to do with it
and while restarting and boot in to ubuntu, the problem remained

and i tried the code as you said, but it failed too

Code:

linux /vmlinuz root=/dev/sda6 loop=/ubuntu/disks/root.disk ro
initrd /initrd.img
boot

here is the contents of my RESULTS.TXT

Code:

                Boot Info Script 0.55    dated February 15th, 2010                    

============================= Boot Info Summary: ==============================

 => Windows is installed in the MBR of /dev/sda

sda1: _________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows XP
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  Windows XP
    Boot files/dirs:   /boot.ini /ntldr /NTDETECT.COM /wubildr.mbr /wubildr

sda2: _________________________________________________________________________

    File system:       Extended Partition
    Boot sector type:  -
    Boot sector info:  

sda5: _________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows XP
    Boot sector info:  According to the info in the boot sector, sda5 starts 
                       at sector 63.
    Operating System:  
    Boot files/dirs:   /boot.ini /wubildr.mbr /wubildr

sda6: _________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows XP
    Boot sector info:  According to the info in the boot sector, sda6 starts 
                       at sector 63.
    Operating System:  
    Boot files/dirs:   

sda7: _________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows XP
    Boot sector info:  According to the info in the boot sector, sda7 starts 
                       at sector 63.
    Operating System:  
    Boot files/dirs:   

sda8: _________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows XP
    Boot sector info:  According to the info in the boot sector, sda8 starts 
                       at sector 63. According to the info in the boot 
                       sector, sda8 has 159717312 sectors, but according to 
                       the info from fdisk, it has 159718166 sectors.
    Operating System:  
    Boot files/dirs:   /ubuntu/winboot/wubildr.mbr /wubildr 
                       /ubuntu/winboot/wubildr /ubuntu/disks/root.disk 
                       /ubuntu/disks/swap.disk

sda8/Wubi: _________________________________________________________________________

    File system:       ext4
    Boot sector type:  -
    Boot sector info:  
    Operating System:  Ubuntu 9.10
    Boot files/dirs:   /boot/grub/grub.cfg /etc/fstab

=========================== Drive/Partition Info: =============================

Drive: sda ___________________ _____________________________________________________

Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x0006300c

Partition  Boot         Start           End          Size  Id System

/dev/sda1    *             63    41,977,844    41,977,782   7 HPFS/NTFS
/dev/sda2          41,977,845   488,392,064   446,414,220   f W95 Ext d (LBA)
/dev/sda5          41,977,908    84,983,849    43,005,942   7 HPFS/NTFS
/dev/sda6          84,983,913   226,275,524   141,291,612   7 HPFS/NTFS
/dev/sda7         226,275,588   328,673,834   102,398,247   7 HPFS/NTFS
/dev/sda8         328,673,898   488,392,064   159,718,167   7 HPFS/NTFS


blkid -c /dev/null: ____________________________________________________________

Device           UUID                                   TYPE       LABEL                         

/dev/loop0                                              squashfs                                 
/dev/loop1       9ccf85da-da82-45e4-b387-08a38cb10e58   ext4                                     
/dev/sda1        9288DEFD88DEDF33                       ntfs                                     
/dev/sda5        0244F9B544F9AB93                       ntfs       Program Files                 
/dev/sda6        5AC4C112C4C0F175                       ntfs       Working Data                  
/dev/sda7        01CA21C3E57E7610                       ntfs       Backup                        
/dev/sda8        3E64E27064E229FB                       ntfs       Entertainment                 

============================ "mount | grep ^/dev  output: ===========================

Device           Mount_Point              Type       Options

aufs             /                        aufs       (rw)
/dev/sr0         /cdrom                   iso9660    (rw)
/dev/loop0       /rofs                    squashfs   (rw)
/dev/sda1        /media/9288DEFD88DEDF33  fuseblk    (rw,nosuid,nodev,allow_other,default_permissions,blksize=4096)
/dev/sda5        /media/Program Files     fuseblk    (rw,nosuid,nodev,allow_other,default_permissions,blksize=4096)
/dev/sda6        /media/Working Data      fuseblk    (rw,nosuid,nodev,allow_other,default_permissions,blksize=4096)
/dev/sda7        /media/Backup            fuseblk    (rw,nosuid,nodev,allow_other,default_permissions,blksize=4096)


================================ sda1/boot.ini: ================================

[boot loader]
timeout=1
default=C:\wubildr.mbr
[operating systems]
C:\wubildr.mbr = "Ubuntu"
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Open Solaris" /noexecute=optin /fastdetect

================================ sda5/boot.ini: ================================

[boot loader]
timeout=1
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Open Solaris" /noexecute=optin /fastdetect
C:\wubildr.mbr = "Ubuntu"

======================== sda8/Wubi/boot/grub/grub.cfg: ========================

#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by /usr/sbin/grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s /boot/grub/grubenv ]; then
  have_grubenv=true
  load_env
fi
set default="0"
if [ ${prev_saved_entry} ]; then
  saved_entry=${prev_saved_entry}
  save_env saved_entry
  prev_saved_entry=
  save_env prev_saved_entry
fi
if [ ${recordfail} = 1 ]; then
  set timeout=-1
else
  set timeout=0
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/white
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/10_lupin ###
menuentry "Ubuntu, Linux 2.6.31-19-generic" {
    insmod ntfs
    set root=(hd0,8)
    search --no-floppy --fs-uuid --set 3e64e27064e229fb
    loopback loop0 /ubuntu/disks/root.disk
    set root=(loop0)
    linux /boot/vmlinuz-2.6.31-19-generic root=/dev/sda8 loop=/ubuntu/disks/root.disk ro  vga=792 splash  quiet splash
    initrd /boot/initrd.img-2.6.31-19-generic
}
menuentry "Ubuntu, Linux 2.6.31-19-generic (recovery mode)" {
    insmod ntfs
    set root=(hd0,8)
    search --no-floppy --fs-uuid --set 3e64e27064e229fb
    loopback loop0 /ubuntu/disks/root.disk
    set root=(loop0)
    linux /boot/vmlinuz-2.6.31-19-generic root=/dev/sda8 loop=/ubuntu/disks/root.disk ro single  vga=792 splash
    initrd /boot/initrd.img-2.6.31-19-generic
}
menuentry "Ubuntu, Linux 2.6.31-14-generic" {
    insmod ntfs
    set root=(hd0,8)
    search --no-floppy --fs-uuid --set 3e64e27064e229fb
    loopback loop0 /ubuntu/disks/root.disk
    set root=(loop0)
    linux /boot/vmlinuz-2.6.31-14-generic root=/dev/sda8 loop=/ubuntu/disks/root.disk ro  vga=792 splash  quiet splash
    initrd /boot/initrd.img-2.6.31-14-generic
}
menuentry "Ubuntu, Linux 2.6.31-14-generic (recovery mode)" {
    insmod ntfs
    set root=(hd0,8)
    search --no-floppy --fs-uuid --set 3e64e27064e229fb
    loopback loop0 /ubuntu/disks/root.disk
    set root=(loop0)
    linux /boot/vmlinuz-2.6.31-14-generic root=/dev/sda8 loop=/ubuntu/disks/root.disk ro single  vga=792 splash
    initrd /boot/initrd.img-2.6.31-14-generic
}
### END /etc/grub.d/10_lupin ###

### BEGIN /etc/grub.d/20_memtest86+ ###
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows NT/2000/XP (on /dev/sda1)" {
    insmod ntfs
    set root=(hd0,1)
    search --no-floppy --fs-uuid --set 9288defd88dedf33
    drivemap -s (hd0) ${root}
    chainloader +1
}
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###

============================= sda8/Wubi/etc/fstab: =============================

# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    defaults        0       0
/host/ubuntu/disks/root.disk /               ext4    loop,errors=remount-ro 0       1
/host/ubuntu/disks/swap.disk none            swap    loop,sw         0       0

================= sda8/Wubi: Location of files loaded by Grub: =================


   4.9GB: boot/grub/grub.cfg
   3.9GB: boot/initrd.img-2.6.31-14-generic
   3.9GB: boot/initrd.img-2.6.31-19-generic
   2.4GB: boot/vmlinuz-2.6.31-14-generic
   2.0GB: boot/vmlinuz-2.6.31-19-generic
   3.9GB: initrd.img
   3.9GB: initrd.img.old
   2.0GB: vmlinuz
   2.4GB: vmlinuz.old

and i tried as i saw in the file, neglecting the splash parameters

Code:

    insmod ntfs
    set root=(hd0,8)
    search --no-floppy --fs-uuid --set 3e64e27064e229fb
    loopback loop0 /ubuntu/disks/root.disk
    set root=(loop0)
    linux /boot/vmlinuz-2.6.31-19-generic root=/dev/sda8 loop=/ubuntu/disks/root.disk ro
    initrd /boot/initrd.img-2.6.31-19-generic
    boot

and it worked and i managed to get my ubuntu again

i dont know to correct the grub
so i unchecked the boot splash option and restarted

then the grub command screen came again

Please help me to fix it permanently

**rkrinfo** · February 22nd, 2010

Hi

its my previous thread
http://ubuntuforums.org/showthread.php?t=1413008

i hav dual boot system with Windows Xp and Ubuntu 9.1 using Wubi

While i am experimenting with startupmanager i selected to show spalshscreen and restarted ubuntu

then i found a problem with grub
and i have only a terminal to enter grub commands named sh:grub>

i entered the code and i managed to get in to ubuntu

Code:

    insmod ntfs
    set root=(hd0,8)
    search --no-floppy --fs-uuid --set 3e64e27064e229fb
    loopback loop0 /ubuntu/disks/root.disk
    set root=(loop0)
    linux /boot/vmlinuz-2.6.31-19-generic root=/dev/sda8 loop=/ubuntu/disks/root.disk ro
    initrd /boot/initrd.img-2.6.31-19-generic
    boot

i dont know to correct the grub

While restarting, the grub command screen came again

Please help me to fix it permanently

**ajgreeny** · February 22nd, 2010

Sorry about that advice; I didn't notice that it was a wubi install.

Note to self: Must read OP more carefully!

**meierfra.** · February 23rd, 2010

4.9GB: boot/grub/grub.cfg

Your grub.cfg is outside the 4GB limit your current wubildr can see.
Looking at you boot.ini:

C:\wubildr.mbr = "Ubuntu"

it seems that the Window boot loader actually uses the wubildr on the C: drive. So copy the new wubildr to "C:"

**meierfra.** · February 23rd, 2010

I did respond in your other thread.
Please don't start two threads on the same subject.
Also do not follow ajgreeny's advice. Those instruction are for Ubuntu, but will not work for Wubi.

**overdrank** · February 23rd, 2010

Please do not create multiple threads on the same issue. Threads merged

**rkrinfo** · February 23rd, 2010

I am really sorry for creating multiple threads for same issue
I am a new kid around here
and those are the only threads created ever
I am sorry again, I promise i won't repeat that

thanks to meierfra for helping me
as you said i copied the downloaded wubildr to my c: drive and it didnt work

and i tried
sudo dpkg-reconfigure grub-pc
here is my new RESULTS1.TXT

Code:

                Boot Info Script 0.55    dated February 15th, 2010                    

============================= Boot Info Summary: ==============================

 => Windows is installed in the MBR of /dev/sda
 => No boot loader is installed in the MBR of /dev/sdb

sda1: _________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows XP
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  Windows XP
    Boot files/dirs:   /boot.ini /ntldr /NTDETECT.COM /wubildr.mbr /wubildr 
                       /boot/grub/core.img

sda2: _________________________________________________________________________

    File system:       Extended Partition
    Boot sector type:  -
    Boot sector info:  

sda5: _________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows XP
    Boot sector info:  According to the info in the boot sector, sda5 starts 
                       at sector 63.
    Operating System:  
    Boot files/dirs:   /boot.ini /wubildr.mbr /wubildr

sda6: _________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows XP
    Boot sector info:  According to the info in the boot sector, sda6 starts 
                       at sector 63.
    Operating System:  
    Boot files/dirs:   

sda7: _________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows XP
    Boot sector info:  According to the info in the boot sector, sda7 starts 
                       at sector 63.
    Operating System:  
    Boot files/dirs:   

sda8: _________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows XP
    Boot sector info:  According to the info in the boot sector, sda8 starts 
                       at sector 63. According to the info in the boot 
                       sector, sda8 has 159717312 sectors, but according to 
                       the info from fdisk, it has 159718166 sectors.
    Operating System:  
    Boot files/dirs:   /ubuntu/winboot/wubildr.mbr /wubildr 
                       /ubuntu/winboot/wubildr /ubuntu/disks/root.disk 
                       /ubuntu/disks/swap.disk

sda8/Wubi: _________________________________________________________________________

    File system:       ext4
    Boot sector type:  -
    Boot sector info:  
    Operating System:  Ubuntu 9.10
    Boot files/dirs:   /boot/grub/grub.cfg /etc/fstab

sdb1: _________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows XP
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files/dirs:   

=========================== Drive/Partition Info: =============================

Drive: sda ___________________ _____________________________________________________

Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x0006300c

Partition  Boot         Start           End          Size  Id System

/dev/sda1    *             63    41,977,844    41,977,782   7 HPFS/NTFS
/dev/sda2          41,977,845   488,392,064   446,414,220   f W95 Ext d (LBA)
/dev/sda5          41,977,908    84,983,849    43,005,942   7 HPFS/NTFS
/dev/sda6          84,983,913   226,275,524   141,291,612   7 HPFS/NTFS
/dev/sda7         226,275,588   328,673,834   102,398,247   7 HPFS/NTFS
/dev/sda8         328,673,898   488,392,064   159,718,167   7 HPFS/NTFS


Drive: sdb ___________________ _____________________________________________________

Disk /dev/sdb: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0xa4b57300

Partition  Boot         Start           End          Size  Id System

/dev/sdb1                  63   488,392,064   488,392,002   7 HPFS/NTFS


blkid -c /dev/null: ____________________________________________________________

Device           UUID                                   TYPE       LABEL                         

/dev/loop0                                              squashfs                                 
/dev/loop1       9ccf85da-da82-45e4-b387-08a38cb10e58   ext4                                     
/dev/sda1        9288DEFD88DEDF33                       ntfs                                     
/dev/sda5        0244F9B544F9AB93                       ntfs       Program Files                 
/dev/sda6        5AC4C112C4C0F175                       ntfs       Working Data                  
/dev/sda7        01CA21C3E57E7610                       ntfs       Backup                        
/dev/sda8        3E64E27064E229FB                       ntfs       Entertainment                 
/dev/sdb1        8804C9AE04C99F94                       ntfs       FreeAgent Drive               

============================ "mount | grep ^/dev  output: ===========================

Device           Mount_Point              Type       Options

aufs             /                        aufs       (rw)
/dev/sr0         /cdrom                   iso9660    (rw)
/dev/loop0       /rofs                    squashfs   (rw)
/dev/sdb1        /media/FreeAgent Drive   fuseblk    (rw,nosuid,nodev,allow_other,default_permissions,blksize=4096)
/dev/sda1        /media/9288DEFD88DEDF33  fuseblk    (rw,nosuid,nodev,allow_other,default_permissions,blksize=4096)


================================ sda1/boot.ini: ================================

[boot loader]
timeout=1
default=C:\wubildr.mbr
[operating systems]
C:\wubildr.mbr = "Ubuntu"
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Open Solaris" /noexecute=optin /fastdetect

=================== sda1: Location of files loaded by Grub: ===================


    ??GB: boot/grub/core.img

================================ sda5/boot.ini: ================================

[boot loader]
timeout=1
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Open Solaris" /noexecute=optin /fastdetect
C:\wubildr.mbr = "Ubuntu"

======================== sda8/Wubi/boot/grub/grub.cfg: ========================

#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by /usr/sbin/grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s /boot/grub/grubenv ]; then
  have_grubenv=true
  load_env
fi
set default="0"
if [ ${prev_saved_entry} ]; then
  saved_entry=${prev_saved_entry}
  save_env saved_entry
  prev_saved_entry=
  save_env prev_saved_entry
fi
if [ ${recordfail} = 1 ]; then
  set timeout=-1
else
  set timeout=0
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/white
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/10_lupin ###
menuentry "Ubuntu, Linux 2.6.31-19-generic" {
    insmod ntfs
    set root=(hd0,8)
    search --no-floppy --fs-uuid --set 3e64e27064e229fb
    loopback loop0 /ubuntu/disks/root.disk
    set root=(loop0)
    linux /boot/vmlinuz-2.6.31-19-generic root=/dev/sda8 loop=/ubuntu/disks/root.disk ro   quiet
    initrd /boot/initrd.img-2.6.31-19-generic
}
menuentry "Ubuntu, Linux 2.6.31-19-generic (recovery mode)" {
    insmod ntfs
    set root=(hd0,8)
    search --no-floppy --fs-uuid --set 3e64e27064e229fb
    loopback loop0 /ubuntu/disks/root.disk
    set root=(loop0)
    linux /boot/vmlinuz-2.6.31-19-generic root=/dev/sda8 loop=/ubuntu/disks/root.disk ro single 
    initrd /boot/initrd.img-2.6.31-19-generic
}
menuentry "Ubuntu, Linux 2.6.31-14-generic" {
    insmod ntfs
    set root=(hd0,8)
    search --no-floppy --fs-uuid --set 3e64e27064e229fb
    loopback loop0 /ubuntu/disks/root.disk
    set root=(loop0)
    linux /boot/vmlinuz-2.6.31-14-generic root=/dev/sda8 loop=/ubuntu/disks/root.disk ro   quiet
    initrd /boot/initrd.img-2.6.31-14-generic
}
menuentry "Ubuntu, Linux 2.6.31-14-generic (recovery mode)" {
    insmod ntfs
    set root=(hd0,8)
    search --no-floppy --fs-uuid --set 3e64e27064e229fb
    loopback loop0 /ubuntu/disks/root.disk
    set root=(loop0)
    linux /boot/vmlinuz-2.6.31-14-generic root=/dev/sda8 loop=/ubuntu/disks/root.disk ro single 
    initrd /boot/initrd.img-2.6.31-14-generic
}
### END /etc/grub.d/10_lupin ###

### BEGIN /etc/grub.d/20_memtest86+ ###
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows NT/2000/XP (on /dev/sda1)" {
    insmod ntfs
    set root=(hd0,1)
    search --no-floppy --fs-uuid --set 9288defd88dedf33
    drivemap -s (hd0) ${root}
    chainloader +1
}
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###

============================= sda8/Wubi/etc/fstab: =============================

# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    defaults        0       0
/host/ubuntu/disks/root.disk /               ext4    loop,errors=remount-ro 0       1
/host/ubuntu/disks/swap.disk none            swap    loop,sw         0       0

================= sda8/Wubi: Location of files loaded by Grub: =================


   6.2GB: boot/grub/grub.cfg
   3.9GB: boot/initrd.img-2.6.31-14-generic
   3.9GB: boot/initrd.img-2.6.31-19-generic
   2.4GB: boot/vmlinuz-2.6.31-14-generic
   2.0GB: boot/vmlinuz-2.6.31-19-generic
   3.9GB: initrd.img
   3.9GB: initrd.img.old
   2.0GB: vmlinuz
   2.4GB: vmlinuz.old

whenever i need to boot into ubuntu i have to type these codes into grub command window, and its really hurts

Code:

insmod ntfs
set root=(hd0,8)
search --no-floppy --fs-uuid --set 3e64e27064e229fb
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
linux /boot/vmlinuz-2.6.31-19-generic root=/dev/sda8 loop=/ubuntu/disks/root.disk ro
initrd /boot/initrd.img-2.6.31-19-generic
boot

i found some code to recover grub2 using livecd such as

Code:

sudo fdisk -l
mount /dev/sdXY /mnt
sudo grub-install --root-directory=/mnt /dev/sdX
sudo update-grub

but i am afraid to use them because i could be wrong with it

please help me

sorry for late replys, normally i got connected once or twice daily

**meierfra.** · February 23rd, 2010

I'm not sure what is going on.

Could you post the output of

Code:

ls

set

at "grub:sh" prompt?

Also type

Code:

insmod ntfs
loopback loop0 (hd0,8)/ubuntu/disks/root.disk
set root=(loop0)
configfile /boot/grub/grub.cfg

Does this display the Grub menu?

Finally just to reduce the amount of typing you have to do to boot into Wubi try

Code:

insmod ntfs
set p=/ubuntu/disks/root.disk
loopback loop0 (hd0,8)$p
set root=(loop0)
linux /vmlinuz root=/dev/sda8 $p ro
initrd /initrd.img
boot

This should still boot you into Wubi.

Thread: How to restore grub in ubuntu 9.10 with wubi

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