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  1.    10 Aug 2015 #21
    Join Date : Aug 2015
    Posts : 416
    10 pro 64 clean install

    Quote Originally Posted by MickD View Post
    IMGBurn did not work for me after several attempts when trying to create the Win10 ISO after I was upgraded to Win10. No biggie, I was able to burn the Win10 Pro ISO via Windows Explorer using the Win10 built-in image burning app. Now, I was unable to get the Win10 ISO DVD to boot initially and I never had problems booting via my internal DVD/ISO in the past when using Win7. I tried several diff DVDs & made numerous changes in bios but was stump for about 1 hour. I eventually used an external USB DVD drive I had laying around and was able to boot from the Win10 DVD/ISO created above. This is all confusing too me, but I think it has something to do with the UEFI features Windows 10 uses. Since I totally skipped over Win8 I'm totally lacking in knowledge of the UEFI boot features/process. My external USB/DVD drive showed up in the bios as a UEFI device while my internal DVD drive did not??? Anyhow, Win10 installed cleaned and activated without any problems, with even my internal DVD burner showing and usable in Device Manager.
    Most of the time it's the disk or the speed one uses . And, I believe it's always best to use the slow speed 2x but you're right with what you just mention
      My ComputerSystem Spec
  2.    10 Aug 2015 #22
    Join Date : Oct 2013
    Newport, South Wales, UK
    Posts : 1,934
    Windows 10 Pro x64 FCU - XP/Vista/Win7/Win8.1 in VM for testing

    If the disk is viable and you can read it running setup on the disk from within your current valid, licensed OS should perform an upgrade install as if you had performed the upgrade over the net
      My ComputerSystem Spec
  3.    10 Aug 2015 #23
    Join Date : Aug 2015
    Posts : 33
    Windows 10

    Quote Originally Posted by sn00ker View Post
    Most of the time it's the disk or the speed one uses . And, I believe it's always best to use the slow speed 2x but you're right with what you just mention
    Actually I'm confident it had something to do with the UEFI + secure boot in Win10. For some reason the external USB/DVD drive was color coded as being UEFI bootable, which I had to select as boot device. I didn't see any UEFI bootable devices before attaching my USB/DVD.
      My ComputerSystem Spec
  4.    10 Aug 2015 #24
    Join Date : Aug 2015
    Posts : 52
    Windows 10
    Thread Starter

    Quote Originally Posted by Dch48 View Post
    A non bootable Windows 10 disk absolutely can do the equivalent of a clean install from within Windows. In fact, that's the only thing it can do. A bootable disc will offer the options of keeping personal data and will also let you choose where to install Windows. If you open the non bootable disc while in Windows and run the setup file, It will install a fresh copy of Windows and in the process, wipe out everything else on the drive.
    ==========================
    Thanks for your post. I tried that. It reached a screen so that one can choose "Change What to Keep", and I chose "Keep Nothing". After all finished, I thought everything was gone - just a clean copy of the Windows 10, Oops I found my old Word document files are still there.

    Ztruker is right, one can not do a "Clean Install" with a non-bootable Win 10 ISO.

    Dch48: Please don't take it as an attack on you, that's just not my nature. I only report what I found (so that other folks here know).

    sn00ker: Thanks for offering help. I did the re-install (see Dch48's post), and chose "Keep Nothing". Whatever the problems from downloading/installing imgburn, they were gone. Thanks again for your offering to help.
      My ComputerSystem Spec
  5.    10 Aug 2015 #25
    Join Date : Aug 2015
    Posts : 416
    10 pro 64 clean install

    Quote Originally Posted by Learner99 View Post
    ==========================
    Thanks for your post. I tried that. It reached a screen so that one can choose "Change What to Keep", and I chose "Keep Nothing". After all finished, I thought everything was gone - just a clean copy of the Windows 10, Oops I found my old Word document files are still there.

    Ztruker is right, one can not do a "Clean Install" with a non-bootable Win 10 ISO.

    Dch48: Please don't take it as an attack on you, that's just not my nature. I only report what I found (so that other folks here know).

    sn00ker: Thanks for offering help. I did the re-install (see Dch48's post), and chose "Keep Nothing". Whatever the problems from downloading/installing imgburn, they were gone. Thanks again for your offering to help.
    @Learner99 ... I'm glad things worked out for you but can I strongly suggested whenever you download a program and go to install always watch for the added stuff, those are usually nasty and you should always uncheck them and only install the program itself
      My ComputerSystem Spec
  6.    10 Aug 2015 #26
    Join Date : Aug 2015
    Posts : 52
    Windows 10
    Thread Starter

    Need help.
    I don't have a bootable Win 10 ISO disk yet. (I have a non-bootable one.)
    By reading, eventually I will be able to make one myself.
    =====
    After one has a bootable Win 10 ISO disk, how one starts the "Clean Install"?

    1. Just insert that bootable disk, and turn on the computer. (suppose the booting sequence has been changed, CD/DVD Rom drive now has the first priority.)
    And, it will start the clean install.

    Or

    2. Or, one needs to do something else first, like reformatting the hard drive. (I have not done this kind operation for ages. No longer remember as to how to do it. Vaguely remember that I used a bootable floppy, A:, that contains Format.com. Turn on the computer and boot from the A:, floppy. Then format the hard disk.) After formatting completed, insert the bootable Win 10 ISO, then turn on the computer.

    Appreciate very much of your help on this.
      My ComputerSystem Spec
  7.    10 Aug 2015 #27
    Join Date : Jul 2015
    Posts : 3,822
    10 Pro

    You don't need to think too much.

    When you boot from DVD/USB it will ask you.

    If you want a clean install just format your drive (after agreeing the license terms) and the installer will take care of everything. It will automatically make all needed partitions. See here for details.. Windows 10 - Clean Install - Windows 10 Forums

    Only, backup your documents and photos and so on first.
      My ComputerSystem Spec
  8.    10 Aug 2015 #28
    Join Date : Aug 2015
    Posts : 52
    Windows 10
    Thread Starter

    Wait a minute.

    If I reformat the hard disk first, using a bootable floppy (contains Format.com) in A:.
    Then use Dch48's method to reinstall the Windows 10 using the non-bootable Win 10 ISO.
    That seems to be a "clean install".

    Then I no longer need a bootable win 10 ISO disk to do the "clean install".

    Update: Thanks to Halasz. I put up the above post before I saw your post.
    Appreciate very much of your time and help.
      My ComputerSystem Spec
  9.    10 Aug 2015 #29
    Join Date : Jul 2015
    Posts : 9,552
    Windows 10 Pro

    Quote Originally Posted by Learner99 View Post
    Wait a minute.

    If I reformat the hard disk first, using a bootable floppy (contains Format.com) in A:.
    Then use Dch48's method to reinstall the Windows 10 using the non-bootable Win 10 ISO.
    That seems to be a "clean install".

    Then I no longer need a bootable win 10 ISO disk to do the "clean install".
    Floppy?!? OMG.

    Won't work, though, because you will have no way of running setup.exe from the DVD - which is a Windows program - without having some version of Windows running which the floppy won't be providing. The bootable DVD loads a stripped down version of Windows used to run the setup.exe.
      My ComputerSystem Spec
  10.    10 Aug 2015 #30
    Join Date : Aug 2015
    Posts : 52
    Windows 10
    Thread Starter

    Thanks to both Halasz and NavyLCDR.
    Now I understand what's needed and how to do a "clean install. (I hope).
      My ComputerSystem Spec

 
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