When to open CD drive?

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  1. Posts : 201
    Win 10 22H2 (OS Build 19045.2311)
       #1

    When to open CD drive?


    I'm in the process of upgrading 10 to build 10586. At what point should I open the CD drive, before the first restart?
    THanks
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  2. Posts : 68,652
    64-bit Windows 11 Pro for Workstations
       #2

    Hello bertie11,

    I'm not sure what the CD drive has to do with upgrading to the next build of Windows 10 in Windows Update.

    This is unrelated. Please provide more details.
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  3. Posts : 201
    Win 10 22H2 (OS Build 19045.2311)
    Thread Starter
       #3

    My apologies, you are not a mind reader!

    I had created a DVD using the media creation tool as the 10586 upgrade wasn't available using Windows Update. I had previously attempted to install the ISO but the installation failed and I wondered if I had opened the DVD drive too soon, thinking that when the system rebooted it would start setup again. As it happens I think the failure was due to a corrupt download and so I downloaded the ISO again and this time the install to 10585 worked just fine.

    So my question really was, when is the correct time to open the drive and is the drive accessed after the initial loading?

    Thank you.
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  4. Posts : 2,662
    W10 Pro (desktop), W11 (laptop), W11Pro (tablet)
       #4

    The installer knows when to access the DVD and at what point the necessary files have been copied over so that the DVD is no longer accessed. The answer to your question is to leave the DVD in the drive until the installation is complete, then open the drive remove it.
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  5. Posts : 68,652
    64-bit Windows 11 Pro for Workstations
       #5

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  6. Posts : 201
    Win 10 22H2 (OS Build 19045.2311)
    Thread Starter
       #6

    Nice and clear, thank you strollin. I had it in my head that I had read in the last couple of days somewhere on this site about opening the drive to avoid restarting the setup. Am I right in thinking this used to happen on earlier versions of Windows, or is it my age-raddled brain??

    And thank you too Brink
    Last edited by bertie11; 03 Apr 2016 at 11:30. Reason: posts crossed. Needed to say thanks!
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  7. Posts : 18,424
    Windows 11 Pro
       #7

    If the computer has the bios set to boot from the DVD-Rom drive first, then when the computer reboots, it will indeed boot from the DVD-Rom drive and run setup from the disc in it. If that does happen, the user needs to remove the DVD and cancel the setup program to reboot the computer from the HDD or SSD.
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  8. Posts : 2,662
    W10 Pro (desktop), W11 (laptop), W11Pro (tablet)
       #8

    Typically, when the BIOS is set to boot from the DVD drive, the user is prompted to "Press any key to boot from CD". If no key is pressed, then Windows moves on to the next drive in the boot order. You just need to ignore the prompt the 2nd time around.
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  9. Posts : 18,424
    Windows 11 Pro
       #9

    True, good point!
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  10. Posts : 1,255
    Windows 10 Pro
       #10

    I believe that booting from the CD always involved a prompt from the user. And this was good because OS installation often required access to the CD after the first reboot. Remove the CD too soon and you get an error message. This worked well for Windows 98 SE and later. But the original Windows 98 and earlier didn't come on a bootable CD because many computers of that era didn't support this as the standards had yet to be established. For these operating systems you had to initiate installation with a bootable floppy. A floppy boot was always attempted if a disk was inserted. OS installers typically prompted the user to remove a floppy disk and allowed time to do this.
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