Windows 10: Help-did fresh install via USB now no OS being found?

  1.    27 Jun 2017 #1

    Help-did fresh install via USB now no OS being found?


    I7 3770k
    GTX 960
    16 GB ram
    MSI z77 m power motherboard

    I did a fresh install of Windows 10 via usb to fix issues with my graphics card. It worked.
    I reinstalled all of my important programs like Office Etc. I went to reboot and its showing no OS error
    I went into BIOS and picked the hard drive the OS is installed on and keep getting the error

    No idea what I am doIng wrong or how to fix this without a reinstall ugh
      My ComputerSystem Spec

  2.    27 Jun 2017 #2

    If you boot from the Windows install USB flash drive again, go through the setup screens, select the custom install option, the next screen will list hard drives and partitions. What partitions do you see listed there? Then you can click the red X in the upper right corner to cancel the install and it won't affect anything on the hard drive.

    Click image for larger version. 

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      My ComputerSystem Spec

  3.    27 Jun 2017 #3

    My mind is blown. I did BootRec/Scanos and it showed 0 windows installations on that hard drive. Where did all of that info go ?

    i also did that and here Is readout

    drive 0 partition 1: recovery
    drive 0 partition 2 system
    drive 0 partition 3 msr reserved
    drive 0 partition 4 primary ( it has 863.1 gb free outback of 931)
      My ComputerSystem Spec

  4.    27 Jun 2017 #4

    Since you have a Windows 10 USB flash drive already made, I hope that it is 8gb or larger. Read my quote in the middle of the OP here:
    Windows 10 Recovery Tools - Bootable Rescue Disk - Windows 10 Forums

    Cool little trick with Kyhi's recovery drive: take a standard Windows 10 install USB flash drive, copy the boot.wim file from \sources from Kyhi's recovery drive to the \sources on the Windows 10 install USB flash drive (overwrite the old file). Now your Windows 10 install USB flash drive will boot into Kyhi's recovery drive giving you all those utilities. If you want to install Windows 10, run setup.exe from the USB flash drive from file explorer. Bonus! Two drives in one!
    Before you overwrite the boot.wim file, you can rename it boot.bak on the USB flash drive, if you want to restore it later to a regular Windows 10 installation flash drive.

    Boot into Kyhi's recovery tools and see if you can explore your OS partition on the hard drive. Also on Kyhi's recovery tools is Macrium Reflect. Run Macrium Reflect and under the restore menu is a utility to Fix Windows boot problems. Run that utility and it might fix your boot problem.
      My ComputerSystem Spec

  5.    27 Jun 2017 #5

    NavyLCDR said: View Post
    Since you have a Windows 10 USB flash drive already made, I hope that it is 8gb or larger. Read my quote in the middle of the OP here:
    Windows 10 Recovery Tools - Bootable Rescue Disk - Windows 10 Forums



    Before you overwrite the boot.wim file, you can rename it boot.bak on the USB flash drive, if you want to restore it later to a regular Windows 10 installation flash drive.

    Boot into Kyhi's recovery tools and see if you can explore your OS partition on the hard drive. Also on Kyhi's recovery tools is Macrium Reflect. Run Macrium Reflect and under the restore menu is a utility to Fix Windows boot problems. Run that utility and it might fix your boot problem.
    Thank you. Will give that a whirl.

    But is there any way I can just properly format the new hard drive from command prompt inside recovery usb boot to make sure I get a clean install or no?
      My ComputerSystem Spec

  6.    27 Jun 2017 #6

    pittguy578 said: View Post
    Thank you. Will give that a whirl.

    But is there any way I can just properly format the new hard drive from command prompt inside recovery usb boot to make sure I get a clean install or no?
    Yes. Boot from the standard Windows 10 installation USB (or if you modify it with Kyhi's recovery tools, run setup.exe from the USB flash drive). Select the Custom Install option when you get to that choice. The next screen will show drives and partition. Delete each partition on the drive you want to install Windows to (probably Drive 0). When it is down to only one big unallocated space, highlight it and click Next.
      My ComputerSystem Spec


 

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