Dual Boot Windows 10 with Windows 7 or Windows 8  

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  1. Posts : 281

    Dude said:
    All good now :) properly installed
    Did you boot the installer or run Setup from Sources folder within Windows?
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  2. Posts : 16,636
    Windows 11 Pro X64

    I booted from usb
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  3. Posts : 168
    Windows 10 Technical Preview x64

    Whatever happened to Disk Cleanup for windows.old ??
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  4. Posts : 1,092
    Win 10 Pro x64

    Tews said:
    Whatever happened to Disk Cleanup for windows.old ??
    Seems to be there Tom, Option one,

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  5. Posts : 16,636
    Windows 11 Pro X64

    Tom. I had the windows.old because I goofed up my dual boot install. The link by derek works, I deleted the windows.old folder.

    After all that trouble, I fixed the dual boot issue. Then I went and did a clean install as primary OS. Everything is working that made me go to a dual boot (My roku issue)
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  6. Posts : 7,724
    3-Win-7Prox64 3-Win10Prox64 3-LinuxMint20.2

    Any down side to making 7 the permanent default os except for not being able to change the setting ?
    Would this keep 10 from changing the default os via it's update system in new builds ?
    Which seems to be a normal thing I've read in some questions popping up :/
    Not what I would want 10 to ever be default of anything
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  7. Posts : 68,843
    64-bit Windows 11 Pro for Workstations
    Thread Starter

    Hey Mike,

    Sure, you could safely make either OS the default to run at startup. If you set the timer long enough, you would be able to select either OS to run at startup. It's only when the time runs out that the OS you set as the default will run automatically.

    Startup Options - Choose a Default OS to Run at Startup in Windows 8

    Startup Options - Change Time to Wait before Default OS Runs

    It wouldn't have any affect on Windows 10 receiving automatic updates while you have Windows 10 running. :)
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  8. Posts : 7,724
    3-Win-7Prox64 3-Win10Prox64 3-LinuxMint20.2

    Thanks on my previous dual boot,
    When on win-10 and windows update needed to boot it took me to the seven boot options window to select a os,
    I would of course select 10 because it was the one booting to install the updates,

    I just wondered after a few questions were recently asked about the default being changed by win-10 after installing updates from 7 to 10,
    So would making the options permanent prevent that from happening,
    Update to build 9860 messes up dual-boot setup
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  9. Posts : 68,843
    64-bit Windows 11 Pro for Workstations
    Thread Starter

    I would leave the time long enough to be able to select what OS you want to boot from just to be safe. This way you have more options.
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  10. Posts : 7,724
    3-Win-7Prox64 3-Win10Prox64 3-LinuxMint20.2

    Like my previous disaster no boot options appeared at startup like the other two op's stated as well
    They were lucky or at least one was lucky that win-10 was on a separate drive so removing it seemed to cure the no boot options issue :/

    Well none the less I made the changes permanent on win-10 side and on win-7 for good measure
    I did as well increase to 30 seconds as well
    Because frankly win-10 boot or startup is way slower than win-7 or at least this build is :/
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