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I'm completely new to Ubuntu , I want to replace windows ( that had been crushed while trying to install Ubuntu ) w but whenever I choose erase windows to install Ubuntu I get this error:

The ext4 file system creation in partition #1 of SCSI1 (0,0,0) (sda) failed.

Just please I need practical steps to solve this issue

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First, open the disk utility and check the drive's SMART status to see if it is failing. Then after you get this error, open a terminal and run dmesg | tail and edit your question and paste in the output. – psusi Oct 11 '13 at 3:13

This is an answer I wrote for someone else but it will help you for certain so I am copying it here.

Hello It would be easiest to just start from the beginning so lets do that, okay?

First, boot to your USB or DVD and let Ubuntu start a live session. You will see an icon on the desktop that says Install Ubuntu on your desktop. Launch (click on) it.

When you get to the screen where it asks you if you want to replace an existing install or install next to it or Something Else, choose Something Else.

Now you will see a screen that will let you see the hard drive you want to install to. Make sure you choose the correct drive you want to install ubuntu on! On that screen you will need to first delete any existing partitions so you can start fresh.

Start at the bottom of the listed partitions and right click on each one and choose Delete. After you have done this to all the partitions, click on Apply.

When you have deleted everything your drive will show as completely unallocated space! Sometimes some partitions cannot be deleted right away so delete all you can at first and click Apply, then start over from the bottom until they are all deleted.

Now you want to create the necessary partitions for you to install Ubuntu.

Create the following partitions:

  1. a boot partition /boot and give it 250 MB of space, choose ext4 for the format.

  2. a root partition /root and give it 15000 MB of space and ext4 format

  3. a swap partition /swap and give it 4096 MB of space (it will format to swap)

  4. a home partition /home and give it the rest of the space and format it to ext4.

    Now just finish the install and it will run beautifully.

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Or if your lazy you can just restart once all the partitions are deleted and Ubuntu should then install as normal getting past the error. – geoffmcc Dec 31 '14 at 5:46
Or, if you're lazier, boot to the live CD. Open the dash and type 'disks'. Open it, and find your internal hard drive. Hit the menu button at the top, and choose 'Format...'. In the dialog, hit 'Format...' to format the drive, then once it's done close Disks. Now open the installer and install as normal. – Hitechcomputergeek Jun 12 '15 at 19:40

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