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Thread: Can't boot into system!

  1. #1
    Join Date
    Oct 2021
    Beans
    5

    Can't boot into system!

    info from Boot-repair: https://paste.ubuntu.com/p/M8MTQS58Mq/

    I have a laptop dual booted with Windows and Ubuntu. Never used Windows apart from when I first installed it. I accidentally deleted the Windows partition (and maybe a few other partitions) when I thought I was formatting my USB drive

    Rebooted the machine and now I cannot log into Ubuntu. Any ideas?

  2. #2
    Join Date
    May 2008
    Beans
    2,124
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: Can't boot into system!

    Line 17 - 0 (zero) OS detected

    No sign of installed Windows nor installed Ubuntu.

    Something went pear-shaped during the installation procedure?
    No error messages reported while installing?

    Install Ubuntu again and re-store your backups?

  3. #3
    Join Date
    Oct 2021
    Beans
    5

    Re: Can't boot into system!

    Yes, I noticed that line... however, I have been using Ubuntu for about 3 months with no problems. I dont understand why the install has just disappeared. Do you think it is definitely disappeared or I am doing something wrong?

  4. #4
    Join Date
    Aug 2011
    Location
    51.8° N 5.8° E
    Beans
    6,085
    Distro
    Xubuntu 20.04 Focal Fossa

    Re: Can't boot into system!

    It only appears to detect one hard drive, sda, which appears to be a live disk on a 128GB Lexar USB Flash Drive, according to line 77. So no internal hard drive is detected. Loose cable maybe?

  5. #5
    Join Date
    Oct 2021
    Beans
    5

    Re: Can't boot into system!

    Strange, it is a m.2 SSD. When I go to install Ubuntu it detects the M.2 drive. Let me try and get a screenshot

  6. #6
    Join Date
    May 2008
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    2,124
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: Can't boot into system!

    Quote Originally Posted by gruffalo2 View Post
    Yes, I noticed that line... however, I have been using Ubuntu for about 3 months with no problems. I dont understand why the install has just disappeared. Do you think it is definitely disappeared or I am doing something wrong?
    Impossible to answer whether you are doing something wrong?
    I would have to be looking over your shoulder wearing my invisible spy outfit?

    Quote Originally Posted by gruffalo2 View Post
    I accidentally deleted the Windows partition (and maybe a few other partitions) when I thought I was formatting my USB drive
    This is probably the relevant info.
    Do you know which partitions you deleted?

  7. #7
    Join Date
    Oct 2021
    Beans
    5

    Re: Can't boot into system!

    I think it was all partitions apart from the Ubuntu partition because it threw a "disk in use" error!

    I ignored it as I thought I only deleted the Windows partition which I dont need anyway

  8. #8
    Join Date
    May 2008
    Beans
    2,124
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: Can't boot into system!

    Boot into a live session using your Ubuntu installation media.
    Open a terminal and post the output:-
    Code:
    lsblk -e 7 -o name,size,type,fstype,fsuse%,fsavail,mountpoint
    Please post the output within code tags

  9. #9
    Join Date
    Oct 2021
    Beans
    5

    Re: Can't boot into system!

    Quote Originally Posted by tea for one View Post
    Boot into a live session using your Ubuntu installation media.
    Open a terminal and post the output:-
    Code:
    lsblk -e 7 -o name,size,type,fstype,fsuse%,fsavail,mountpoint
    Please post the output within code tags
    Thanks for your suggestion. It turns out the m.2 drive was loose. After fixing that I got the “GPT detected. Please create a BIOS-Boot partition” while using boot-repair. I decided to back everything up and reinstall Ubuntu. During the reinstall I saw an option to run new Ubuntu with my previous install, choose that and now I am back into my system!

    I do have 2 x Ubuntu installs but at least I am back in business!
    Last edited by gruffalo2; October 8th, 2021 at 06:33 PM.

  10. #10
    Join Date
    May 2008
    Beans
    2,124
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: Can't boot into system!

    That's good news.

    Please mark the thread as solved https://wiki.ubuntu.com/UnansweredPo.../SolvedThreads

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