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How can I completely uninstall Windows 10 from a dual boot with Ubuntu?

Stefan Stipanovic
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2 Answers2

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When you are running Ubuntu, you can easily destroy the whole Windows partition and repair the grub menu. First, install "gparted"

sudo apt-get install gparted

Open it, and find your Windows partition. Now you can simply delete it or reformat it in order to use it from Ubuntu (if you wanted to extend your actual Ubuntu partition, you would have to do it from USB/liveCD).

After confirming changes, open terminal (ctrl+alt+t) and type

sudo update-grub

in order to restore grub.

Enjoy!

muru
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Michal Polovka
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  1. You need to boot using live USB/DVD.
  2. Once booted in, try to use gparted to delete the Windows partition.
  3. I will say don't delete the recovery partition in case you change your mind in future to reinstall Windows.
  4. Then resize your Linux partition and take away the left out place of Windows.
  5. Apply the changes.
  6. Then sudo update-grub

You should be good to go.

Ashu
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  • It's always possible (and likely) that Windows partition is before Ubuntu partitions in terms of location on HDD. In this scenario, will this answer still work? I don't think you can resize any partition at the "beginning" of the partition? – XtrmJosh May 24 '16 at 14:20
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    Using gparted one can use the resize pointer to move the Linux partition to the far left. If recovery partition is in between...one need to move that first to make contiguous space for Linux partition. – Ashu May 24 '16 at 14:22