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I updated ubuntu from 18.04 from 16.04. On start I get grub as expected with 2 options

  1. Windows boot manager.
  2. grubx64efi

. I choose 'grubx64efi option expecting to get into ubuntu, but the system reboots and then lands back in grub.

I have tried starting up from USB and running boot repair. Didnt help and I keep getting the same problem.

While I doing the update I was asked something along the lines of what to d with your grub and I chose an option which says to keep the configuration as is now. Could this be causing an issue ? How do I resolve this ?

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    grubx64.efi refers to GRUB file only. Menu entry for Ubuntu is missing in your grub. I believe
    – Kulfy
    Dec 17, 2018 at 21:24
  • Ok . Let me see if I can find out how to add it .
    – ArunM
    Dec 17, 2018 at 21:25
  • Try to chroot from live DVD , then check the log files to see what is the error cause this
    – user643653
    Dec 17, 2018 at 23:12
  • a newbie here .. do you have any reference to how I can do this ?
    – ArunM
    Dec 17, 2018 at 23:22
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    Try boot-repair again via LiveUSB and see if it detects Ubuntu. Save the log file and try to upload or paste the content in paste.ubuntu.com
    – Kulfy
    Dec 18, 2018 at 7:13

1 Answer 1

Reset to default
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Did the following steps to solve the issue.

  1. Created a LiveUSB.
  2. Choose the option to Try Ubuntu without install on start up.
  3. Ran boot-repairbut I was asked to disable secure boot in BIOS which I did.
  4. Disabled Secure boot and ran boot-repair again and was able to access Ubuntu
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