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Getting this error Operating System not found when trying to install Ubuntu through ISO file .

If i install with the option of giving the path to the iso image stored on my system. I get a message down that the operating system could not be detected.

Even if go install using the option i will install OS later and set the iso image path in VM settings. when i power on the VM i get Operating System Not Found error. Please Help!

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  • Welcome to Ask Ubuntu! To get a better answer and to help other users who may experience a similar problem, please edit your question with more information on the problem. Even a screenshot can be useful!
    – Timlah
    Apr 25, 2013 at 7:52
  • @Tim Fothergill thanks for the advice. done. not able to upload image. and can u plz help me on the error.
    – mikdad
    Apr 25, 2013 at 8:36
  • How are you installing?
    – Mitch
    Apr 25, 2013 at 11:56

1 Answer 1

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  • Check the ISO's SHA sum.
  • Try specifying manually the boot drive with pressing "ESC" at boot.
  • Check your HDD in the VM if the manual boot is not working.

Easiest way it to re-create the VM and that will make sure your CD is connected, and the HDD boots properly.

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  • how to i check the SHA sum? and i have tried specifyng the boot drive manually. But nothing works
    – mikdad
    Apr 25, 2013 at 9:07
  • Alright. Re-create the VM, and what OS do you use? If you are on Windows, you can use this: nirsoft.net/utils/hash_my_files.html . SHA1 sums are here: releases.ubuntu.com/precise ("SHA1SUMS" file.)
    – Apache
    Apr 25, 2013 at 9:10
  • i checked out the links you gave, but i am sorry i dont understand as to what relation does the SHA sum have to do with this? and my OS is windows 7 32 bits.
    – mikdad
    Apr 25, 2013 at 9:14
  • and i have downloaded the ubuntu ISO file from their website which i am using for the installation
    – mikdad
    Apr 25, 2013 at 9:14
  • can some one reply on this
    – mikdad
    Apr 25, 2013 at 12:45

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