How do I uninstall Ubuntu and grub?

Just boot into Windows and head to Control Panel > Programs and Features. Find Ubuntu in the list of installed programs, and then uninstall it like you would any other program. The uninstaller automatically removes the Ubuntu files and boot loader entry from your computer.

How do I uninstall 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.

How do I remove GRUB bootloader from BIOS Linux?

To remove it:

  1. Hit Windows + X and select Disk Management .
  2. Find the Ubuntu partition. It will probably be a large partition without a drive letter.
  3. Be sure you have the correct partition!
  4. Right-click the partition and delete or reformat it with a Windows filesystem.

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 remove Ubuntu in the BIOS boot menu?

It is mostly under EFI/distro_name . Remove that directory and its contents by (PLEASE MAKE SURE YOU ARE DELETING THE CORRECT DIRECTORY) sudo rm -r ubuntu .

Where is grub installed?

The GRUB 2 files will normally be located in the /boot/grub and /etc/grub. d folders and the /etc/default/grub file in the partition containing the Ubuntu installation.

How do I fix rescue grub?

  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 fix grub problems?

You could do either of two things:

  1. Use a Windows 7 installation CD, boot it, and search for the repair option. After that you will get many options; then search for ‘command prompt’.
  2. If you have any Linux installation CD/DVD or USB pendrive then live boot it and follow the steps shown on the page Boot-Repair.

How do I skip grub boot menu?

Hide boot menu by manually editing the config file:

  1. GRUB_TIMEOUT_STYLE=hidden – Hide the boot menu.
  2. GRUB_TIMEOUT_STYLE=countdown – Hide boot menu and show countdown.
  3. GRUB_TIMEOUT = 0 – It will boot the default OS immediately.
  4. GRUB_DISABLE_OS_PROBER=true – Disable “/etc/grub.

How do I get rid of grub timeout?

  1. Edit /etc/grub.d/30_os-prober file: sudo gedit /etc/grub.d/30_os-prober.
  2. Find if [ “\${timeout}” = 0 ]; then set timeout=10 fi and replace set timeout=10 with set timeout=0.
  3. Save and update grub config: sudo update-grub.