Uninstall "lilo" or "grub"

April 2018

From a boot disk for Windows 98

Insert your boot disk and restart your computer to boot same.
  • Go to prompt A: \" and type:
    • fdisk / mbr 
  • Restart your PC.

Using the installation CD of Windows 2000 or Windows XP

  • From the installation CD of Windows 2000 or Windows XP follows these steps:
  • Insert your installation CD and restart your pc to boot same.
  • Once the installation menu from your Windows appears on your screen, select "Repair Windows Installation" by pressing R.

Then use the repair manual for the console by pressing C.
Once the console to the screen, choose the Windows system where you want to work (default 1), then type your administrator password (if you do not type anything and confirm with "enter") and finally type:
    • fixmbr
  • Type "Exit" to exit.
  • Restart your PC.

From the installation CD of Mandriva

  • Insert your installation CD and restart your PC to boot it.
  • Then press "F1" or "ESC" (escape key) to switch to text mode, or with new versions, select the mode "backup system".
  • Once the "prompt" (or "prompt") "Boot:", type:
    • linux rescue 
  • Once the screen loaded, Choose: (help the arrow keys "up" and "low" to highlight your choice)

Restore Windows Boot Loader

  • Confirm by pressing "Enter" then move to "OK" using the "TAB" or the right arrow key.
  • A new screen will appear warning you that the system has found a "Linux Bootloader" on your hard drive and it will now replace it with a "Windows Bootloader .
  • Continue by pressing "Enter" to confirm or if you want to step back by pressing "n".

Using SuperGrubDisk

If none of the above works, you can use this software SuperGrubDisk.

Restore the MBR of Windows 7

The Recovery Console is not prior to this manipulation, it can be done using the installation DVD (bootable USB key).

Here are the steps:
  • Start the installation
  • Click OK on the first screen and select your language and keyboard layout
  • On the screen "System Recovery Options", select your Windows installation and click the Next button.
  • Once in the tools section, select "Command Prompt"
  • By default, you will find yourself on drive x:\sources,
  • Type cd e: (or the drive letter assigne to your USB ,DVD drive)
  • Go at boot directory level> cd boot
  • Type the following command
  • bootsect /nt60 c: /mbr 
  • Where c is the partition on which the OS is installed.
  • This is, simply perform a reboot your system.


Published by deri58. Latest update on April 28, 2010 at 11:09 AM by deri58.
This document, titled "Uninstall "lilo" or "grub"," is available under the Creative Commons license. Any copy, reuse, or modification of the content should be sufficiently credited to CCM (https://ccm.net/).
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