Windows 10: No operating system

Discus and support No operating system in Windows 10 Installation and Upgrade to solve the problem; Hii, I had formatted my C: drive accidentally. I have windows 10 pen drive but I am not able to install windows 10. Please help me. 79718 Discussion in 'Windows 10 Installation and Upgrade' started by IT101, Mar 18, 2017.

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  1. IT101
    IT101 Win User

    No operating system


    Hii,
    I had formatted my C: drive accidentally. I have windows 10 pen drive but I am not able to install windows 10.
    Please help me.

    :)
     
    IT101, Mar 18, 2017
    #1
  2. JOENAMCO
    JoeNamco Win User

    No operating system

    First you are posting on a forum for testing of newer builds of Win 10 and isn't a support site for public builds of Win 10, my suggestion is to take the system to someone with the know how about computers as it will need to be diagnose as to what has failed.
     
    JoeNamco, Mar 18, 2017
    #2
  3. GMANTO
    gmanto Win User
    'no operating system'

    Thanks for your info. But a vista op disc was not included, only the win 7 discs and they will not boot the pc.

    When I talked to a MS rep (located in the Philippines!!!) I was told to buy win 8 and try to upgrade to win 10 again!!!

    I told her I already bought win 7 and was not going to rebuy the OS...she did not seem to care.
     
    gmanto, Mar 18, 2017
    #3
  4. BRAINVISION
    brainvision Win User

    No operating system

    brainvision, Mar 18, 2017
    #4
  5. M4V3R1CK
    M4v3r1ck Win User
    M4v3r1ck, Mar 18, 2017
    #5
  6. BRAINVISION
    brainvision Win User
    brainvision, Mar 18, 2017
    #6
  7. SWARFEGA
    swarfega Win User
    Unformat utilities are much like undelete ones, they are no guarantee of success.

    @IT101 you say you are unable to install Windows. Is it giving you any errors?
     
    swarfega, Mar 18, 2017
    #7
  8. M4V3R1CK
    M4v3r1ck Win User

    No operating system

    Get someone else to install the software and connect the drive to it. Try doing an unformat is OP's best FIRST shot.

    Before accessing the drive with whatever, OP should first make sure to safeguard the data!

    Cheers
     
    M4v3r1ck, Mar 18, 2017
    #8
  9. IT101
    IT101 Win User
    Thanks for the help but I had alredy seen that and the problem is while selecting upgrade option it says'The computer started using the windows installation media and needs to be restarted.'

    And while selecting custom(advanced) it says ' The windows cant install on this disk. The disk has an MBR partition table . On EFI systems , windows can only be installed to GPT disks.
     
    IT101, Mar 18, 2017
    #9
  10. BRAINVISION
    brainvision Win User
    here Clean Install Windows 10 you'll also find info about clean installation on UEFI bios..
     
    brainvision, Mar 18, 2017
    #10
  11. IT101
    IT101 Win User
    Sorry I can't do anything as I am not able to access windows . Only BOOTABLE USB and CDs are working .
     
    IT101, Mar 18, 2017
    #11
  12. IT101
    IT101 Win User
    Noop.
    It has also not worked
     
    IT101, Mar 18, 2017
    #12
  13. M4V3R1CK
    M4v3r1ck Win User

    No operating system

    Can you manage to migrate the application into the bootable USB? Otherwise I would buy/borrow another drive, clean install and try to unformat your current drive.

    IS THERE ANY DATA-LOSS AT STAKE HERE?

    Cheers
     
    M4v3r1ck, Mar 18, 2017
    #13
  14. IT101
    IT101 Win User
    Can you explain it more clearly.
     
    IT101, Mar 18, 2017
    #14
  15. BRAINVISION
    brainvision Win User
    how many partitions do you have into your disk? If you make backup of data you want to store using a Linux live CD or Hiren's Boot and saving data to external HD/USB, then you could try to remove every partition into your primary disk and let windows partition when you choose the installation drive; that should work, but remember to backup data, if any, because that would wipe everithing!
     
    brainvision, Mar 18, 2017
    #15
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