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How do I force grub menu on boot?

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How do I force grub menu on boot?

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”.

Why is Ubuntu not showing in boot menu?

If you don’t see a menu with a list of boot options appear, the GRUB boot loader may have been overwritten, preventing Ubuntu from booting. This can happen if you install Windows on a drive after installing Ubuntu or another Linux distribution on it.

How do I restore grub menu?

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.
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Does Ubuntu use grub?

GRUB 2 is the default boot loader and manager for Ubuntu since version 9.10 (Karmic Koala). As the computer starts, GRUB 2 either presents a menu and awaits user input or automatically transfers control to an operating system kernel. GRUB 2 is a descendant of GRUB (GRand Unified Bootloader).

How do I restore Ubuntu to factory settings?

There is no such thing as factory reset in ubuntu. You have to run a live disk/usb drive of any linux distro and backup your data and then reinstall ubuntu.

How do I fix grub error 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: