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I once installed Debian onto my hard drive with GPT so there is a grub on it. Recently I erased Debian for some reason. But the grub is still there ...
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  1. #1
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    How to remove grub from a GPT hard drive?


    I once installed Debian onto my hard drive with GPT so there is a grub on it. Recently I erased Debian for some reason. But the grub is still there (which can launch nothing). How can I remove it? I know the trick
    Code:
    dd if=/dev/null of=/dev/sdX bs=446 count=1
    for MBR, can it be applied to GPT? Thank you.

  2. #2
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    If GRUB is sitting on physical partition which is not used by other OS, storage, etc. you can format the partition using utility of your choice (like Gparted !)

  3. #3
    oz
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    Hello and welcome!

    In addition to what Shantanu said above, installing a different bootloader to the same locations should overwrite GRUB, thereby removing it.
    oz

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