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I installed Ubuntu 16.04 LTS on a new Lenovo laptop. I thought it might be a good idea to encrypt the whole hard drive. It wasn't good idea. And also thought it would be easy to undo. I learned that it isn't.

Is it possible to reinstall Ubuntu or some other Linux on the computer and overwrite earlier Ubuntu when it's encrypted?

The idea was just to test if some Linux is possible to install for this laptop while Linux Mint 18 didn't sat on my laptop. Live-USB worked perfectly but installation crashed with GRUB.

Zanna
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Terhi Välke
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2 Answers2

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Yes, it's 100% possible.

Just select "Erase disk and install Ubuntu" in the installer. That's it! The installer will automatically format the disk, overwriting the previously encrypted filesystem.

You'reAGitForNotUsingGit
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I generally encrypt the entire HDD no matter what distro I'm using and have run into problems using the installer to overwrite an existing encrypted distro. Sporadic errors in setting up Grub, mostly. I made it a practice to boot into the live desktop, use gParted to delete all existing partitions, then run the installer. Once I deployed that series of events I have erased installation issues.

Tim F.
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