How do I fix grub after deleting Linux partition?

How do I fix no such partition grub rescue after deleting Linux partition?

When Error No Such Partition Grub Rescue Windows 10 Happens?

  1. Delete Ubuntu Partition. …
  2. Resize/Merge/Split Partition. …
  3. Reinstall Ubuntu OS. …
  4. Restore Ubuntu OS to the Old Version. …
  5. Case 1: When Deleting Ubuntu/Linux Partition. …
  6. Rebuild MBR with MiniTool Partition Wizard. …
  7. Rebuild BCD Files with Windows 10 Automatic Repair.

How do I reinstall GRUB bootloader?

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 bypass grub rescue mode?

Simply type “set prefix=(hd0,msdos6)/PathToGrubFiles”, “insmod normal”, then “normal”. Again, this will be different for every computer. For example, you may have to type “set prefix=(hd0,msdos6)/grub2/ [enter] insmod normal [enter] normal [enter]”, or “set prefix=(hd1,msdos6)/boot/grub/”.

How do I open grub rescue mode?

Booting into recovery mode

  1. Switch on your computer.
  2. Wait until the UEFI/BIOS has finished loading, or has almost finished. …
  3. With BIOS, quickly press and hold the Shift key, which will bring up the GNU GRUB menu. …
  4. Select the line which starts with “Advanced options”.
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How do I rescue repair and reinstall GRUB bootloader in Ubuntu?

The graphical way

  1. Insert your Ubuntu CD, reboot your computer and set it to boot from CD in the BIOS and boot into a live session. You can also use a LiveUSB if you have created one in the past.
  2. Install and run Boot-Repair.
  3. Click “Recommended Repair”.
  4. Now reboot your system. The usual GRUB boot menu should appear.

How do I regenerate GRUB config?

Rebuild the grub.cfg file by running the grub2-mkconfig -o command as follows:

  1. On BIOS-based machines, issue the following command as root : ~]# grub2-mkconfig -o /boot/grub2/grub.cfg.
  2. On UEFI-based machines, issue the following command as root : ~]# grub2-mkconfig -o /boot/efi/EFI/redhat/grub.cfg.

How do I remove GRUB bootloader from BIOS?

Type “rmdir /s OSNAME” command, where OSNAME will be replaced by your OSNAME, to delete the GRUB bootloader from your computer. If prompted press Y. 14. Exit the command prompt and restart the computer the GRUB bootloader is not longer available.

How do I fix grub bootloader after deleting Ubuntu partition?

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.

How do I restore grub bootloader after installing Windows?

To recover grub:

  1. Open the live version.
  2. Open the terminal and run sudo fdisk -l to see where Linux is installed.
  3. Run sudo mount /dev/sdaX /mnt where x is the number you have found Linux word in.
  4. Run sudo grub-install –root-directory=/mnt /dev/sda to install grub.
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How do I uninstall and reinstall grub?

Uninstalling GRUB 2

  1. Open a terminal: Applications, Accessories, Terminal.
  2. Optional: Make backup copies of the main GRUB 2 directories and files. sudo cp /etc/default/grub /etc/default/grub.old. …
  3. Remove GRUB 2. sudo apt-get purge grub-pc. …
  4. Install GRUB 0.97. …
  5. With grub installed, the user must still create the menu. …
  6. Reboot.