How to Uninstall GRLDR

Written by paul higgins
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After deleting Linux from a dual-boot system, an uninstalled GRLDR Linux boot manager may sometimes prevent you from booting into Windows. When installing the Linux operating system on a computer where Windows is already present, Linux automatically generates GRDLR, or "Grub 4 DOS Loader," which is a program that allows you to switch between the two operating systems. However, if GRDLR is still present after uninstalling Linux, it might prevent you from launching Windows. You can delete GRDLR by repairing your Windows boot settings.

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Things you need

  • Windows installation disc

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  1. 1

    Insert your Windows installation disc into your computer's CD or DVD drive, and reboot your machine.

  2. 2

    Press any key on your keyboard when a message on your screen prompts you to press a key to boot from the CD.

  3. 3

    Use your mouse to select a language, a currency and a time and date. Click "Next."

  4. 4

    Select the "Repair your computer" option. Select the hard drive partition that contains Windows, and then click on "Next." Finally, select "Command Prompt" to launch the Windows command prompt application.

  5. 5

    Type each of the command lines in the box, and press "Enter" after each one:

    bootrec /fixmbr

    bootrec /fixboot

    bootrec /rebuildbcd

    Windows will now rebuild your boot settings.

  6. 6

    Remove the Windows installation disc from the CD or DVD drive. Press the "CTRL," "ALT" and "DEL" keys on your keyboard at the same time to reboot your computer normally when "C:\" reappears in the command prompt window.

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