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How do I fix grub rescue in Linux?

How do I fix grub rescue in Linux?

How To Fix: error: no such partition grub rescue

  1. Step 1: Know you root partition. Boot from live CD, DVD or USB drive.
  2. Step 2: Mount the root partition.
  3. Step 3: Be the CHROOT.
  4. Step 4: Purge Grub 2 packages.
  5. Step 5: Re-install Grub packages.
  6. Step 6: Unmount the partition:

What is grub rescue commands?

grub rescue> These commands are sufficient to investigate the contents of the drives, set prefix (path to the grub folder) and root (partition), load modules and boot. The rescue mode provides fewer commands than the normal GRUB prompt line, but also provides these additional commands: Command.

How do I use grub in rescue mode?

  1. The process to do that is simple. on start menu, select run and type msconfig.
  2. set boot=(hd0,msdos6)
  3. set prefix=(hd0,msdos6)/boot/grub.
  4. insmod normal.
  5. normal.
  6. sudo update-grub.
  7. sudo grub-install /dev/sda.
  8. grub rescue> ls.

How do I get out of grub rescue mode?

4 Answers

  1. Command: ls.
  2. If you don’t know your Ubuntu boot partition, check them one by one: ls (hd0,msdos2)/ ls (hd0,msdos1)/
  3. Assuming (hd0,msdos2) is the right partition: set prefix=(hd0,2)/boot/grub set root=(hd0,2) insmod normal normal.
  4. Now you’ll be able to boot into Ubuntu.

What is grub rescue mode in Linux?

grub rescue>: This is the mode when GRUB 2 is unable to find the GRUB folder or its contents are missing/corrupted. The GRUB 2 folder contains the menu, modules and stored environmental data. GRUB: Just “GRUB” nothing else indicates GRUB 2 failed to find even the most basic information needed to boot the system.

How do I fix grub?

Resolution

  1. Place your SLES/SLED 10 CD 1 or DVD in the drive and boot up to the CD or DVD.
  2. Enter the command “fdisk -l”.
  3. Enter the command “mount /dev/sda2 /mnt”.
  4. Enter the command “grub-install –root-directory=/mnt /dev/sda”.
  5. Once this command completes successfully reboot your system by entering the command “reboot”.

How do I fix grub rescue after uninstalling Ubuntu?

Solution:

  1. Turn on laptop and boot into Ubuntu OS.
  2. Launch the command Terminal(Ctrl+Alt+T) from Ubuntu.
  3. Type in the command in the terminal window: sudo update-grub.
  4. Hit Enter Key.
  5. Type in your sudo password when prompt to execute your command.

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