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I am unable to boot into Ubuntu which was installed using Wubi in Windows

When I ran Ubuntu in recovery mode it gave me an error:

mount: mounting  /sys on /root/sys failed.

and then the following prompt came: 

initramfs:

I logged in using a live USB and in the terminal I ran the command: sudo fdisk -l its output is 

Disk /dev/sda: 640.1 GB, 640135028736 bytes

255 heads, 63 sectors/track, 77825 cylinders, total 1250263728 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x9514ed6b

   Device Boot      Start         End      Blocks   Id  System

/dev/sda1   *        2048      206847      102400    7  HPFS/NTFS/exFAT

/dev/sda2          206848   614404095   307098624    7  HPFS/NTFS/exFAT

/dev/sda3       614405925  1115090624   250342350    7  HPFS/NTFS/exFAT

/dev/sda4      1147858944  1250258943    51200000    7  HPFS/NTFS/exFAT

and then I ran sudo fsck /dev/sda1/

its output is as follows: -

fsck from util-linux 2.20.1
fsck: fsck.ntfs: not found
fsck: error 2 while executing fsck.ntfs for /dev/sda1

I also tried

sudo ntfsck /dev/sda1/ it's output is as follows 

Failed to access '/dev/sda1/': Not a directory
Error opening partition device: Not a directory
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3
  • Which Ubuntu version do you use ? Can you add the full output of sudo fdisk -l ? Did you also use chkdsk of Windows to fix errors of the Windows partitions ?
    – ngng
    Aug 25, 2016 at 20:57
  • thanks for your response I have added the output of fdisk -l command.
    – birubisht
    Aug 26, 2016 at 3:22
  • Which live usb did you use ? The missing ntfs module is an issue of your live usb. But if you read Wubi info, "it's necessary to reboot into Windows first to have it repair the Windows filesystem before the Ubuntu filesystem.", you should repair a Windows filesystem like ntfs with Windows. That is why I asked in a previous comment if you repair it with Windows. But I try an answer for your question... BTW: You should add Wubi tag to your question.
    – ngng
    Aug 26, 2016 at 6:03

1 Answer 1

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3
  1. Try to correct Windows filesystem with Windows: see WubiGuide - Cannot boot into Ubuntu
  2. Then boot into live usb and try to correct Ubuntu filesystem.
  3. Type sudo blkid to decide which partition is your Windows partition with the Wubi disk
  4. Type sudo mount /dev/sdax /mnt to mount your Windows partition with the Wubi disk. Replace /dev/sdax with /dev/sda1, /dev/sda2, /dev/sda3 or /dev/sda4 depending of your decision in step 3.
  5. Type sudo e2fsck -pv /mnt/ubuntu/disks/root.disk to check Ubuntu filesystem within Wubi disk.
  6. Type sudo mkdir /wubi to create a folder for your Ubuntu data.
  7. Type sudo mount -o loop /mnt/ubuntu/disks/root.disk /wubi to mount Wubi disk with your Ubuntu. All your data should be now in folder /wubi.

  8. Sometimes it is necessary to perform commands within your Ubuntu system. If you need the environment of your Ubuntu system, you can type the following commands:

    sudo mount -o bind /mnt /wubi/host

    sudo mount -o bind /dev /wubi/dev

    sudo mount -o bind /proc /wubi/proc

    sudo mount -o bind /sys /wubi/sys

    sudo chroot /wubi

    your commands

    exit

    sudo umount -a

I found it at ubuntuusers.de. It is in German but the commands are the same of course.

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