Windows 10: How long does reinstalling Windows 10 take?

  1.    13 Jul 2017 #1

    How long does reinstalling Windows 10 take?


    So I managed to screw up my computer so bad the default image viewer and video player are missing and my taskbar and start button no longer work.

    I decided to reinstall Windows using a USB. I downloaded the software and ran setup from the USB and followed all the instructions. It's been 5 hours now and all I have is a black screen with a cursor. My desktop has a 6th gen i5, 16 gigs of RAM, should it really be taking this long or did I do something wrong?
      My ComputerSystem Spec


  2. Posts : 32,557
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)
       13 Jul 2017 #2

    BobMcMillan said: View Post
    So I managed to screw up my computer so bad the default image viewer and video player are missing and my taskbar and start button no longer work.

    I decided to reinstall Windows using a USB. I downloaded the software and ran setup from the USB and followed all the instructions. It's been 5 hours now and all I have is a black screen with a cursor. My desktop has a 6th gen i5, 16 gigs of RAM, should it really be taking this long or did I do something wrong?
    Good morning, Bob!

    Answer to first question....with no hitches, about 20-30 minutes.

    From what you posted, you are not doing a clean install. You are in a Repair Install. Clicking and running Setup.exe assumes a working OS (apparently not so in your case). To do a clean install, you must BOOT from the thumb drive after it has been properly prepared. Here's the tutorial. Not hard, take your time and don't skip any steps.

    If possible, make sure all you personal data is backed up and not connected in any way to the computer.

    TC....

    Clean Install Windows 10 Windows 10 Installation Upgrade Tutorials
      My ComputersSystem Spec

  3.    13 Jul 2017 #3

    Thanks for the quick reply Tomcat.

    Dang it... I knew I should have just followed the guide I was reading. That's what I get.

    So do I just restart the computer or should I wait for it to go back to normal?
      My ComputerSystem Spec


  4. Posts : 32,557
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)
       13 Jul 2017 #4

    BobMcMillan said: View Post
    Thanks for the quick reply Tomcat.

    Dang it... I knew I should have just followed the guide I was reading. That's what I get.

    So do I just restart the computer or should I wait for it to go back to normal?
    Unplug that thumb, power off, wait about 15 seconds, power on. That should get you back up far enough to make the bootable USB and carry on from there. If, not, use another machine if you have one, or a buddies to make it.
      My ComputersSystem Spec

  5.    13 Jul 2017 #5

    Alright, I'll go try it now. Thanks for the help!
      My ComputerSystem Spec


  6. Posts : 32,557
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)
       13 Jul 2017 #6

    BobMcMillan said: View Post
    Alright, I'll go try it now. Thanks for the help!
    In your case, the Media Creation Tool is probably your best choice. It will download what you need and make the thumb drive for you. Answer the questions carefully. You will get build 15063. Good luck, and let us know! Cheers! TC
      My ComputersSystem Spec


  7. Posts : 6,487
    10 Home x64 (1709) (10 Pro on 2nd pc)
       13 Jul 2017 #7

    f14tomcat said: View Post
    Answer to first question....with no hitches, about 20-30 minutes.

    ...To do a clean install, you must BOOT from the thumb drive after it has been properly prepared...

    Can take up to 40 minutes for me, it depends on how fast your HDD is.

    One point to note when booting from the USB to do the clean install, after the first stage of copying the files from the USB the PC will reboot. You should remove the USB at this point, the next stage of setting up will be booting from the hard drive, you don't want to boot from the USB again or you'll go back to the beginning of the install process
      My ComputersSystem Spec


  • Posts : 32,557
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)
       13 Jul 2017 #8

    Bree said: View Post
    Can take up to 40 minutes for me, it depends on how fast your HDD is.

    One point to note when booting from the USB to do the clean install, after the first stage of copying the files from the USB the PC will reboot. You should remove the USB at this point, the next stage of setting up will be booting from the hard drive, you don't want to boot from the USB again or you'll go back to the beginning of the install process
    Good point! I just do that naturally so it doesn't always occur to me to mention it.

    There is a 10 second countdown at the top of the screen before reboot. After all the little green flags have been checked complete.
      My ComputersSystem Spec

  •    13 Jul 2017 #9

    On my boxes, with SSD's install takes less than 20 minutes.
      My ComputerSystem Spec


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